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Wu Z, Chen M, Liu X, Peng J, Yao J, Xue J, Zheng Z, Dong H, Li J. Sandwiched WS 2/MoTe 2/WS 2 Heterostructure with a Completely Depleted Interlayer for a Photodetector with Outstanding Detectivity. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38949990 DOI: 10.1021/acsami.4c06712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Photodetectors based on two-dimensional van der Waals (2D vdW) heterostructures with high detectivity and rapid response have emerged as promising candidates for next-generation imaging applications. However, the practical application of currently studied 2D vdW heterostructures faces challenges related to insufficient light absorption and inadequate separation of photocarriers. To address these challenges, we present a sandwiched WS2/MoTe2/WS2 heterostructure with a completely depleted interlayer, integrated on a mirror electrode, for a highly efficient photodetector. This well-designed structure enhances light-matter interactions while facilitating effective separation and rapid collection of photocarriers. The resulting photodetector exhibits a broadband photoresponse spanning from deep ultraviolet to near-infrared wavelengths. When operated in self-powered mode, the device demonstrates an exceptional response speed of 22/34 μs, along with an impressive detectivity of 8.27 × 1010 Jones under 635 nm illumination. Additionally, by applying a bias voltage of -1 V, the detectivity can be further increased to 1.49 × 1012 Jones, while still maintaining a rapid response speed of 180/190 μs. Leveraging these outstanding performance metrics, high-resolution visible-near-infrared light imaging has been successfully demonstrated using this device. Our findings provide valuable insights into the optimization of device architecture for diverse photoelectric applications.
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Affiliation(s)
- Ziqiao Wu
- School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Meifei Chen
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong 510006, P. R. China
| | - Xinyue Liu
- Guangdong Provincial Key Laboratory of Nanophotonic Manipulation, Institute of Nanophotonics, Jinan University, Guangzhou 511443, P. R. China
| | - Junhao Peng
- School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Jiandong Yao
- State Key Laboratory of Optoelectronic Materials and Technologies, Nanotechnology Research Center, School of Materials Science & Engineering, Sun Yat-sen University, Guangzhou, Guangdong 510275, P. R. China
| | - Jiancai Xue
- School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Zhaoqiang Zheng
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong 510006, P. R. China
| | - Huafeng Dong
- School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Jingbo Li
- College of Optical Science and Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, P. R. China
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2
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Akhavan S, Najafabadi AT, Mignuzzi S, Jalebi MA, Ruocco A, Paradisanos I, Balci O, Andaji-Garmaroudi Z, Goykhman I, Occhipinti LG, Lidorikis E, Stranks SD, Ferrari AC. Graphene-Perovskite Fibre Photodetectors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2400703. [PMID: 38824387 DOI: 10.1002/adma.202400703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 05/13/2024] [Indexed: 06/03/2024]
Abstract
The integration of optoelectronic devices, such as transistors and photodetectors (PDs), into wearables and textiles is of great interest for applications such as healthcare and physiological monitoring. These require flexible/wearable systems adaptable to body motions, thus materials conformable to non-planar surfaces, and able to maintain performance under mechanical distortions. Here, fibre PDs are prepared by combining rolled graphene layers and photoactive perovskites. Conductive fibres (~500 Ωcm-1) are made by rolling single-layer graphene (SLG) around silica fibres, followed by deposition of a dielectric layer (Al2O3 and parylene C), another rolled SLG as a channel, and perovskite as photoactive component. The resulting gate-tunable PD has a response time~9ms, with an external responsivity~22kAW-1 at 488nm for a 1V bias. The external responsivity is two orders of magnitude higher, and the response time one order of magnitude faster, than state-of-the-art wearable fibre-based PDs. Under bending at 4mm radius, up to~80% photocurrent is maintained. Washability tests show~72% of initial photocurrent after 30 cycles, promising for wearable applications.
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Affiliation(s)
- S Akhavan
- Cambridge Graphene Centre, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0FA, UK
| | - A Taheri Najafabadi
- Cambridge Graphene Centre, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0FA, UK
| | - S Mignuzzi
- Cambridge Graphene Centre, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0FA, UK
| | - M Abdi Jalebi
- Cavendish Laboratory, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0HE, UK
| | - A Ruocco
- Cambridge Graphene Centre, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0FA, UK
- Optical Networks Group, University College London, London, WC1E 6BT, UK
| | - I Paradisanos
- Cambridge Graphene Centre, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0FA, UK
| | - O Balci
- Cambridge Graphene Centre, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0FA, UK
| | - Z Andaji-Garmaroudi
- Cavendish Laboratory, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0HE, UK
| | - I Goykhman
- Cambridge Graphene Centre, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0FA, UK
- Technion - Israel Institute of Technology, Haifa, 3200003, Israel
| | - L G Occhipinti
- Cambridge Graphene Centre, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0FA, UK
| | - E Lidorikis
- Department of Materials Science and Engineering, University of Ioannina, Ioannina, 45110, Greece
| | - S D Stranks
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge, CB3 0AS, UK
| | - A C Ferrari
- Cambridge Graphene Centre, University of Cambridge, JJ Thompson Avenue, Cambridge, CB3 0FA, UK
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Liu T, Wang J, Liu Y, Min L, Wang L, Yuan Z, Sun H, Huang L, Li L, Meng X. Cyano-Coordinated Tin Halide Perovskites for Wearable Health Monitoring and Weak Light Imaging. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2400090. [PMID: 38433566 DOI: 10.1002/adma.202400090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/24/2024] [Indexed: 03/05/2024]
Abstract
Low-toxicity tin halide perovskites with excellent optoelectronic properties are promising candidates for photodetection. However, tin halide perovskite photodetectors have suffered from high dark current owing to uncontrollable Sn2+ oxidation. Here, 2-cyanoethan-1-aminium iodide (CNI) is introduced in CH(NH2)2SnI3 (FASnI3) perovskite films to inhibit Sn2+ oxidation by the strong coordination interaction between the cyano group (C≡N) and Sn2+. Consequently, FASnI3-CNI films exhibit reduced nonradiative recombination and lower trap density. The self-powered photodetector based on FASnI3-CNI exhibits low dark current (1.04 × 10-9 A cm-2), high detectivity (2.2 × 1013 Jones at 785 nm), fast response speed (2.62 µs), and good stability. Mechanism studies show the increase in the activation energy required for thermal emission and generated carriers, leading to a lower dark current in the FASnI3-CNI photodetector. In addition, flexible photodetectors based on FASnI3-CNI, exhibiting high detectivity and fast response speed, are employed in wearable electronics to monitor the human heart rate under weak light and zero bias conditions. Finally, the FASnI3-CNI perovskite photodetectors are integrated with a 32 × 32 thin-film transistor backplane, capable of ultraweak light (170 nW cm-2) real-time imaging with high contrast, and zero power consumption, demonstrating the great potential for image sensor applications.
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Affiliation(s)
- Tianhua Liu
- School of Optoelectronics, Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Junfang Wang
- School of Optoelectronics, Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yongsi Liu
- School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, China
| | - Liangliang Min
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, China
| | - Lixia Wang
- School of Optoelectronics, Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ziquan Yuan
- School of Optoelectronics, Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Haoxuan Sun
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, China
| | - Le Huang
- School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, China
| | - Liang Li
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou, 215006, China
| | - Xiangyue Meng
- School of Optoelectronics, Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
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4
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Du Y, Kim JH, Kong H, Li AA, Jin ML, Kim DH, Wang Y. Biocompatible Electronic Skins for Cardiovascular Health Monitoring. Adv Healthc Mater 2024; 13:e2303461. [PMID: 38569196 DOI: 10.1002/adhm.202303461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 02/27/2024] [Indexed: 04/05/2024]
Abstract
Cardiovascular diseases represent a significant threat to the overall well-being of the global population. Continuous monitoring of vital signs related to cardiovascular health is essential for improving daily health management. Currently, there has been remarkable proliferation of technology focused on collecting data related to cardiovascular diseases through daily electronic skin monitoring. However, concerns have arisen regarding potential skin irritation and inflammation due to the necessity for prolonged wear of wearable devices. To ensure comfortable and uninterrupted cardiovascular health monitoring, the concept of biocompatible electronic skin has gained substantial attention. In this review, biocompatible electronic skins for cardiovascular health monitoring are comprehensively summarized and discussed. The recent achievements of biocompatible electronic skin in cardiovascular health monitoring are introduced. Their working principles, fabrication processes, and performances in sensing technologies, materials, and integration systems are highlighted, and comparisons are made with other electronic skins used for cardiovascular monitoring. In addition, the significance of integrating sensing systems and the updating wireless communication for the development of the smart medical field is explored. Finally, the opportunities and challenges for wearable electronic skin are also examined.
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Affiliation(s)
- Yucong Du
- Institute of Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266071, China
- Institute for Future, Shandong Key Laboratory of Industrial Control Technology, School of Automation, Qingdao University, Qingdao, 266071, China
| | - Ji Hong Kim
- Department of Chemical Engineering, Hanyang University, Seoul, 04763, Republic of Korea
- Institute of Nano Science and Technology, Hanyang University, Seoul, 04763, Republic of Korea
- Clean-Energy Research Institute, Hanyang University, Seoul, 04763, Republic of Korea
| | - Hui Kong
- Institute for Future, Shandong Key Laboratory of Industrial Control Technology, School of Automation, Qingdao University, Qingdao, 266071, China
| | - Anne Ailina Li
- Institute for Future, Shandong Key Laboratory of Industrial Control Technology, School of Automation, Qingdao University, Qingdao, 266071, China
| | - Ming Liang Jin
- Institute for Future, Shandong Key Laboratory of Industrial Control Technology, School of Automation, Qingdao University, Qingdao, 266071, China
| | - Do Hwan Kim
- Department of Chemical Engineering, Hanyang University, Seoul, 04763, Republic of Korea
- Institute of Nano Science and Technology, Hanyang University, Seoul, 04763, Republic of Korea
- Clean-Energy Research Institute, Hanyang University, Seoul, 04763, Republic of Korea
| | - Yin Wang
- Institute of Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266071, China
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Abideen ZU, Arifeen WU, Tricoli A. Advances in flame synthesis of nano-scale architectures for chemical, biomolecular, plasmonic, and light sensing. NANOSCALE 2024; 16:7752-7785. [PMID: 38563193 DOI: 10.1039/d4nr00321g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Flame spray pyrolysis (FSP), a key technique under the broader category of flame aerosol synthesis, is being increasingly explored for the design of advanced miniaturized sensor architectures with applications including chemical, biomolecular, plasmonic, and light sensing. This review provides an overview of the advantages of FSP for the fabrication of nanostructured materials for sensing, delving into synthesis strategies and material structures that meet the increasing demands for miniaturized sensor devices. We focus on the fundamentals of FSP, discussing reactor configurations and how process parameters such as precursor compositions, flow rates, and temperature influence nanoparticle characteristics and their sensing performance. A detailed analysis of nanostructures, compositions, and morphologies made by FSP and their applications in chemical, chemiresistive, plasmonic, biosensing, and light sensing is presented. This review identifies the challenges and opportunities of FSP, exploring current limitations and potential improvements for industrial translation. We conclude by highlighting future research directions aiming to establish guidelines for the flame-based design of nano-scale sensing architectures.
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Affiliation(s)
- Zain Ul Abideen
- Nanotechnology Research Laboratory, Research School of Chemistry, College of Science, Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Waqas Ul Arifeen
- School of Mechanical Engineering, Yeungnam University, Daehak-ro, Gyeongsan-si, Gyeongbuk-do, 38541, South Korea
| | - Antonio Tricoli
- Nanotechnology Research Laboratory, Research School of Chemistry, College of Science, Australian National University, Canberra, Australian Capital Territory 2601, Australia
- Nanotechnology Research Laboratory, Faculty of Engineering, University of Sydney, Sydney, New South Wales 2006, Australia.
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Yang G, Zhang D, Wang R, Wu M, Yu J. Flexible Broadband Organic Photodetectors with Ternary Planar-Mixed Heterojunction Semiconductors and Solution-Processed Polymeric Electrode. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38659248 DOI: 10.1021/acsami.3c18894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Flexible organic photodetectors (OPDs) hold immense promise in health monitoring sensors, flexible imaging sensors, and portable optical communication. Nevertheless, the actualization of high-performance flexible electronics has been hindered by rigid electrodes such as metals or metal oxides. In this work, we constructed a flexible broadband organic photodetector using a solution-processed polymeric electrode, which exhibits flexibility surpassing that of conventional indium tin oxide (ITO) electrodes. Additionally, we employed a planar-mixed heterojunction (PMHJ) through a sequential deposition method and introduced PC71BM as the third constituent into the PM6/Y6 binary active layer, resulting in enhanced photodetection performance and a broadend spectral range. The optimized OPDs demonstrated remarkable detectivity (D*) exceeding 1012 Jones in brodband from 300 to 900 nm, with a champion D* of 6.31 × 1012 Jones at 790 nm. Furthermore, after undergoing 500 cycles of bending, the D* retained approximately 78% of its original performance, highlighting the outstanding mechanical stability. This work presents a promising pathway toward the development of flexible broadband OPDs using a straightforward method, offering enhanced compatibility in diverse application scenarios and propelling the frontier of flexible optoelectronic research.
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Affiliation(s)
- Genjie Yang
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Dayong Zhang
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Rui Wang
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Mengge Wu
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Junsheng Yu
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
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7
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Liu X, Hu J, Yang J, Peng L, Tang J, Wang X, Huang R, Liu J, Liu K, Wang T, Liu X, Ding L, Fang Y. Fully Reversible and Super-Fast Photo-Induced Morphological Transformation of Nanofilms for High-Performance UV Detection and Light-Driven Actuators. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307165. [PMID: 38225747 DOI: 10.1002/advs.202307165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/30/2023] [Indexed: 01/17/2024]
Abstract
Flexible and highly ultraviolet (UV) sensitive materials garner considerable attention in wearable devices, adaptive sensors, and light-driven actuators. Herein, a type of nanofilms with unprecedented fully reversible UV responsiveness are successfully constructed. Building upon this discovery, a new system for ultra-fast, sensitive, and reliable UV detection is developed. The system operates by monitoring the displacement of photoinduced macroscopic motions of the nanofilms based composite membranes. The system exhibits exceptional responsiveness to UV light at 375 nm, achieving remarkable response and recovery times of < 0.3 s. Furthermore, it boasts a wide detection range from 2.85 µW cm-2 to 8.30 mW cm-2, along with robust durability. Qualitative UV sensing is accomplished by observing the shape changes of the composite membranes. Moreover, the composite membrane can serve as sunlight-responsive actuators for artificial flowers and smart switches in practical scenarios. The photo-induced motion is ascribed to the cis-trans isomerization of the acylhydrazone bonds, and the rapid and fully reversible shape transformation is supposed to be a synergistic result of the instability of the cis-isomers acylhydrazone bonds and the rebounding property of the networked nanofilms. These findings present a novel strategy for both quantitative and qualitative UV detection.
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Affiliation(s)
- Xiangquan Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jiahui Hu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jinglun Yang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, 999077, China
| | - Lingya Peng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jiaqi Tang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Xi'an Rare Matel Materials Institute Co. Ltd, Xi'an, 710016, China
| | - Xiaohui Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Rongrong Huang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jianfei Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Northwest Institute for Nonferrous Metal Research, Xi'an, 710016, China
| | - Kaiqiang Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Tingyi Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Xiaoyan Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Liping Ding
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
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8
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Hu B, Liu Y, Zhang B, Guo F, Zhang M, Yu W, Li S, Hao L. A high-sensitivity SnSe/Si heterojunction position-sensitive detector for ultra-low power detection. NANOSCALE 2024; 16:4170-4175. [PMID: 38334754 DOI: 10.1039/d3nr05906e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Position-sensitive detectors (PSDs) based on the lateral photovoltaic effect are crucial components in non-contact distance measurement, process control, guidance systems, and other related applications. However, PSDs are challenging due to the narrow spectral range and low sensitivity, limiting further practical application. Here, we present an ultra-sensitive SnSe/Si PSD device. A large-area uniform SnSe nanorod (NR) array film was grown on Si using a glancing-angle magnetron sputtering deposition technique and a SnSe/Si heterojunction PSD device was fabricated. PSDs exhibit an excellent photoresponse in a wide spectral range of 405-980 nm, showing an ultrahigh position sensitivity of 1517.4 mV mm-1 and an excellent spectral sensitivity of 4 × 104 V W-1. More importantly, the detection limit power of the device is as low as 10 nW, indicating the outstanding potential for weak light detection. Based on the unique structural features and interface effect, the mechanisms for the remarkable performance of the fabricated SnSe/Si PSD device are clarified. This work indicates the large potential of SnSe/Si heterojunctions as a promising material for ultrasensitive optical position-sensitive devices.
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Affiliation(s)
- Bing Hu
- School of Materials Science and Engineering, China University of Petroleum, Qingdao, Shandong, 266580, P. R. China.
| | - Yunjie Liu
- College of Science, China University of Petroleum, Qingdao, Shandong, 266580, P. R. China
| | - Bo Zhang
- School of Materials Science and Engineering, China University of Petroleum, Qingdao, Shandong, 266580, P. R. China.
| | - Fuhai Guo
- School of Materials Science and Engineering, China University of Petroleum, Qingdao, Shandong, 266580, P. R. China.
| | - Mingcong Zhang
- School of Materials Science and Engineering, China University of Petroleum, Qingdao, Shandong, 266580, P. R. China.
| | - Weizhuo Yu
- School of Materials Science and Engineering, China University of Petroleum, Qingdao, Shandong, 266580, P. R. China.
| | - Siqi Li
- School of Materials Science and Engineering, China University of Petroleum, Qingdao, Shandong, 266580, P. R. China.
| | - Lanzhong Hao
- School of Materials Science and Engineering, China University of Petroleum, Qingdao, Shandong, 266580, P. R. China.
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9
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Du Y, Yin S, Li Y, Chen J, Shi D, Guo E, Zhang H, Wang Z, Qin Q, Zou C, Zhai T, Li L. Liquid-Metal-Assisted Synthesis of Patterned GaN Thin Films for High-Performance UV Photodetectors Array. SMALL METHODS 2024; 8:e2300175. [PMID: 37317014 DOI: 10.1002/smtd.202300175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/31/2023] [Indexed: 06/16/2023]
Abstract
GaN's outstanding physical characteristics allow for a wide range of applications in numerous industries. Although individual GaN-based ultraviolet (UV) photodetectors are the subject of in-depth research in recent decades, the demand for photodetectors array is rising as a result of advances in optoelectronic integration technology. However, as a prerequisite for constructing GaN-based photodetectors array, large-area, patterned synthesis of GaN thin films remains a certain challenge. This work presents a facile technique for pattern growing high-quality GaN thin films for the assembly of an array of high-performance UV photodetectors. This technique uses UV lithography, which is not only very compatible with common semiconductor manufacturing techniques, but also enables precise patterning modification. A typical detector has impressive photo-response performance under 365 nm irradiation, with an extremely low dark current of 40 pA, a high Ilight /Idark ratio over 105 , a high responsivity of 4.23 AW-1 , and a decent specific detectivity of 1.76 × 1012 Jones. Additional optoelectronic studies demonstrate the strong homogeneity and repeatability of the photodetectors array, enabling it to serve as a reliable UV image sensor with enough spatial resolution. These outcomes highlight the proposed patterning technique's enormous potential.
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Affiliation(s)
- Yuchen Du
- Information Materials and Intelligent Sensing Laboratory of Anhui Province, Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, P. R. China
| | - Shiqi Yin
- Information Materials and Intelligent Sensing Laboratory of Anhui Province, Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, P. R. China
| | - Ying Li
- Information Materials and Intelligent Sensing Laboratory of Anhui Province, Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, P. R. China
| | - Jiawang Chen
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, P. R. China
| | - Dongfeng Shi
- Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, P. R. China
- Advanced Laser Technology Laboratory of Anhui Province, Hefei, 230037, P. R. China
| | - Erjuan Guo
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, P. R. China
| | - Hui Zhang
- Information Materials and Intelligent Sensing Laboratory of Anhui Province, Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, P. R. China
| | - Zihan Wang
- Information Materials and Intelligent Sensing Laboratory of Anhui Province, Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, P. R. China
| | - Qinggang Qin
- Information Materials and Intelligent Sensing Laboratory of Anhui Province, Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, P. R. China
| | - Chongwen Zou
- National Synchrotron Radiation Laboratory, University of Science & Technology of China, Hefei, 230029, P. R. China
| | - Tianyou Zhai
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, P. R. China
| | - Liang Li
- Information Materials and Intelligent Sensing Laboratory of Anhui Province, Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, P. R. China
- Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, P. R. China
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10
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Liu J, Su L, Zhang X, Shtansky DV, Fang X. Ferroelectric-Optoelectronic Hybrid System for Photodetection. SMALL METHODS 2024; 8:e2300319. [PMID: 37312397 DOI: 10.1002/smtd.202300319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 04/28/2023] [Indexed: 06/15/2023]
Abstract
Photodetectors (PDs), as functional devices based on photon-to-electron conversion, are an indispensable component for the next-generation Internet of Things system. The research of advanced and efficient PDs that meet the diverse demands is becoming a major task. Ferroelectric materials can develop a unique spontaneous polarization due to the symmetry-breaking of the unit cell, which is switchable under an external electric field. Ferroelectric polarization field has the intrinsic characteristics of non-volatilization and rewritability. Introducing ferroelectrics to effectively manipulate the band bending and carrier transport can be non-destructive and controllable in the ferroelectric-optoelectronic hybrid systems. Hence, ferroelectric integration offers a promising strategy for high-performance photoelectric detection. This paper reviews the fundamentals of optoelectronic and ferroelectric materials, and their interactions in hybrid photodetection systems. The first section introduces the characteristics and applications of typical optoelectronic and ferroelectric materials. Then, the interplay mechanisms, modulation effects, and typical device structures of ferroelectric-optoelectronic hybrid systems are discussed. Finally, in summary and perspective section, the progress of ferroelectrics integrated PDs is summed up and the challenges of ferroelectrics in the field of optoelectronics are considered.
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Affiliation(s)
- Jie Liu
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Institute of Optoelectronics, Fudan University, Shanghai, 200438, P. R. China
| | - Li Su
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Institute of Optoelectronics, Fudan University, Shanghai, 200438, P. R. China
| | - Xinglong Zhang
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Institute of Optoelectronics, Fudan University, Shanghai, 200438, P. R. China
| | - Dmitry V Shtansky
- National University of Science and Technology "MISIS", Moscow, 119049, Russia
| | - Xiaosheng Fang
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Institute of Optoelectronics, Fudan University, Shanghai, 200438, P. R. China
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11
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Zhao Y, Liu F, Sui Z, Kong C, Dai S, Lin Y, Zeng Z, Jiang C. Circular-target-style bifocal zoom metalens. OPTICS EXPRESS 2024; 32:3241-3250. [PMID: 38297550 DOI: 10.1364/oe.514548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 01/03/2024] [Indexed: 02/02/2024]
Abstract
Optical zoom plays an important role in realizing high-quality image magnification, especially in photography, telescopes, microscopes, etc. Compared to traditional bulky zoom lenses, the high versatility and flexibility of metalens design provide opportunities for modern electronic and photonic systems with demands for miniature and lightweight optical zoom. Here, we propose an ultra-thin, lightweight and compact bifocal zoom metalens, which consists of a conventional circular sub-aperture and a sparse annular sub-aperture with different focal lengths. The imaging resolutions of such single zoom metalens with 164 lp/mm and 117 lp/mm at magnifications of 1× and 2× have been numerically and experimentally demonstrated, respectively. Furthermore, clear zoom images of a dragonfly wing pattern have been also achieved using this zoom metalens, showing its distinctive aspect in biological imaging. Our results provide an approach for potential applications in integrated optical systems, miniaturized imaging devices, and wearable devices.
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12
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Yao Z, Xiong Y, Kang H, Xu X, Guo J, Li W, Xu X. Tunable Periodic Nanopillar Array for MAPbI 3 Perovskite Photodetectors with Improved Light Absorption. ACS OMEGA 2024; 9:2606-2614. [PMID: 38250387 PMCID: PMC10795138 DOI: 10.1021/acsomega.3c07390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/29/2023] [Accepted: 11/30/2023] [Indexed: 01/23/2024]
Abstract
In the field of optoelectronic applications, the vigorous development of organic-inorganic hybrid perovskite materials, such as methylammonium lead triiodide (MAPbI3), has spurred continuous research on methods to enhance the photodetection performance. Periodic nanoarrays can effectively improve the light absorption of perovskite thin films. However, there are still challenges in fabricating tunable periodic patterned and large-area perovskite nanoarrays. In this study, we present a cost-effective and facile approach utilizing nanosphere lithography and dry etching techniques to create a large-area Si nanopillar array, which is employed for patterning MAPbI3 thin films. The scanning electron microscopy (SEM) and X-ray diffraction (XRD) results reveal that the introduction of nanopillar structures did not have a significant adverse effect on the crystallinity of the MAPbI3 thin film. Light absorption tests and optical simulations indicate that the nanopillar array enhances the light intensity within the perovskite films, leading to photodetectors with a responsivity of 11.2 A/W and a detectivity of 7.3 × 1010 Jones at 450 nm in wavelength. Compared with photodetectors without nanostructures, these photodetectors exhibit better visible light absorption. Finally, we demonstrate the application of these photodetector arrays in a prototype image sensor.
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Affiliation(s)
- Zhengtong Yao
- Key
Laboratory of Advanced Civil Engineering Materials of Ministry of
Education, Key Laboratory of D&A for Metal-Functional Materials,
School of Materials Science & Engineering, Tongji University, Shanghai 201804, China
| | - Yuting Xiong
- Key
Laboratory of Advanced Civil Engineering Materials of Ministry of
Education, Key Laboratory of D&A for Metal-Functional Materials,
School of Materials Science & Engineering, Tongji University, Shanghai 201804, China
| | - Hanyue Kang
- Key
Laboratory of Advanced Civil Engineering Materials of Ministry of
Education, Key Laboratory of D&A for Metal-Functional Materials,
School of Materials Science & Engineering, Tongji University, Shanghai 201804, China
| | - Xiuzhen Xu
- Key
Laboratory of Advanced Civil Engineering Materials of Ministry of
Education, Key Laboratory of D&A for Metal-Functional Materials,
School of Materials Science & Engineering, Tongji University, Shanghai 201804, China
| | - Jianhe Guo
- Guangdong
Provincial Key Laboratory of Sensing Technology and Biomedical
Instrument, School of Biomedical Engineering, Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, China
| | - Wen Li
- Key
Laboratory of Advanced Civil Engineering Materials of Ministry of
Education, Key Laboratory of D&A for Metal-Functional Materials,
School of Materials Science & Engineering, Tongji University, Shanghai 201804, China
| | - Xiaobin Xu
- Key
Laboratory of Advanced Civil Engineering Materials of Ministry of
Education, Key Laboratory of D&A for Metal-Functional Materials,
School of Materials Science & Engineering, Tongji University, Shanghai 201804, China
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13
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Yan C, Yang K, Zhang H, Chen Y, Liu H. High performance self-powered photodetector based on van der Waals heterojunction. NANOTECHNOLOGY 2023; 35:035203. [PMID: 37852217 DOI: 10.1088/1361-6528/ad047f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 10/11/2023] [Indexed: 10/20/2023]
Abstract
Self-powered photodetectors that do not require external power support are expected to play a key role in future photodetectors due to their low power characteristics, but achieving high responsivity remains a challenge. 2D van der Waals heterojunctions are a promising technology for high-performance self-powered photodetectors due to their excellent optical and electrical properties. Here, we fabricate a self-powered photodetector based on In2Se3/WSe2/ReS2van der Waals heterojunction self-powered photodetector. Due to the presence of ReS2layer, photocurrent is enhanced as a result of the increase in light absorption efficiency and the effective region for generating photogenerated carriers. The built-in electric field is enhanced by a negative 'back-gate voltage' along the p-n junction vertical direction generated by the electrons in the photo-generated electrons accumulation layer. Accordingly, the optical responsivity and the photoresponse speed of this heterojunction self-powered photodetector are greatly boosted. The proposed self-powered photodetector based on the In2Se3/WSe2/ReS2heterojunction exhibits a high responsivity of 438 mA W-1, which is 17 times higher compared to the In2Se3/WSe2photodetector, a self-powered current (1.1 nA) that is an order of magnitude higher than that of the In2Se3/WSe2photodetector, and a fast response time that is 250% faster. Thus the self-powered photodetector with a stronger built-in electric field and a wider depletion zone can provide a new technological support for the fabrication of high responsivity, low power consumption and high speed self-powered photodetectors based on van der Waals heterojunctions.
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Affiliation(s)
- Cong Yan
- Key Laboratory for Wide-Band Gap Semiconductor Materials and Devices of Education, The School of Microelectronics, Xidian University, Xi'an 710071, People's Republic of China
| | - Kun Yang
- Key Laboratory for Wide-Band Gap Semiconductor Materials and Devices of Education, The School of Microelectronics, Xidian University, Xi'an 710071, People's Republic of China
| | - Hao Zhang
- Key Laboratory for Wide-Band Gap Semiconductor Materials and Devices of Education, The School of Microelectronics, Xidian University, Xi'an 710071, People's Republic of China
| | - Yaolin Chen
- Key Laboratory for Wide-Band Gap Semiconductor Materials and Devices of Education, The School of Microelectronics, Xidian University, Xi'an 710071, People's Republic of China
| | - Hongxia Liu
- Key Laboratory for Wide-Band Gap Semiconductor Materials and Devices of Education, The School of Microelectronics, Xidian University, Xi'an 710071, People's Republic of China
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14
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Li S, Jang JH, Chung W, Seung H, Park SI, Ma H, Pyo WJ, Choi C, Chung DS, Kim DH, Choi MK, Yang J. Ultrathin Self-Powered Heavy-Metal-Free Cu-In-Se Quantum Dot Photodetectors for Wearable Health Monitoring. ACS NANO 2023; 17:20013-20023. [PMID: 37787474 DOI: 10.1021/acsnano.3c05178] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
Mechanically deformable photodetectors (PDs) are key device components for wearable health monitoring systems based on photoplethysmography (PPG). Achieving high detectivity, fast response time, and an ultrathin form factor in the PD is highly needed for next-generation wearable PPG systems. Self-powered operation without a bulky power-supply unit is also beneficial for point-of-care application. Here, we propose ultrathin self-powered PDs using heavy-metal-free Cu-In-Se quantum dots (QDs), which enable high-performance wearable PPG systems. Although the light-absorbing QD layer is extremely thin (∼40 nm), the developed PD exhibits excellent performance (specific detectivity: 2.10 × 1012 Jones, linear dynamic range: 102 dB, and spectral range: 250-1050 nm at zero bias), which is comparable to that of conventional rigid QD-PDs employing thick Pb-chalcogenide QD layers. This is attributed to material and device strategies─materials that include Cu-In-Se QDs, a MoS2-nanosheet-blended poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) hole transport layer, a ZnO nanoparticle electron transport layer, Ag and ITO electrodes, and an ultrathin form factor (∼120 nm except the electrodes) that enable excellent mechanical deformability. These allow the successful application of QD-PDs to a wearable system for real-time PPG monitoring, expanding their potential in the field of mobile bioelectronics.
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Affiliation(s)
- Shi Li
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Jae Hong Jang
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Wookjin Chung
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Hyojin Seung
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea
| | - Soo Ik Park
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Hyeonjong Ma
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
| | - Won Jun Pyo
- Department of Chemical Engineering, Pohang University of Science & Technology (POSTECH), Pohang 37673, Republic of Korea
| | - Changsoon Choi
- Center for Opto-Electronic Materials and Devices, Post-silicon Semiconductor Institute, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Dae Sung Chung
- Department of Chemical Engineering, Pohang University of Science & Technology (POSTECH), Pohang 37673, Republic of Korea
| | - Dae-Hyeong Kim
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
- School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of Korea
| | - Moon Kee Choi
- Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
- Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
- Graduate School of Semiconductor Materials and Devices Engineering, Center for Future Semiconductor Technology (FUST), Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Jiwoong Yang
- Department of Energy Science and Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
- Energy Science and Engineering Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea
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15
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Li H, Yuan J, Fennell G, Abdulla V, Nistala R, Dandachi D, Ho DKC, Zhang Y. Recent advances in wearable sensors and data analytics for continuous monitoring and analysis of biomarkers and symptoms related to COVID-19. BIOPHYSICS REVIEWS 2023; 4:031302. [PMID: 38510705 PMCID: PMC10903389 DOI: 10.1063/5.0140900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 05/19/2023] [Indexed: 03/22/2024]
Abstract
The COVID-19 pandemic has changed the lives of many people around the world. Based on the available data and published reports, most people diagnosed with COVID-19 exhibit no or mild symptoms and could be discharged home for self-isolation. Considering that a substantial portion of them will progress to a severe disease requiring hospitalization and medical management, including respiratory and circulatory support in the form of supplemental oxygen therapy, mechanical ventilation, vasopressors, etc. The continuous monitoring of patient conditions at home for patients with COVID-19 will allow early determination of disease severity and medical intervention to reduce morbidity and mortality. In addition, this will allow early and safe hospital discharge and free hospital beds for patients who are in need of admission. In this review, we focus on the recent developments in next-generation wearable sensors capable of continuous monitoring of disease symptoms, particularly those associated with COVID-19. These include wearable non/minimally invasive biophysical (temperature, respiratory rate, oxygen saturation, heart rate, and heart rate variability) and biochemical (cytokines, cortisol, and electrolytes) sensors, sensor data analytics, and machine learning-enabled early detection and medical intervention techniques. Together, we aim to inspire the future development of wearable sensors integrated with data analytics, which serve as a foundation for disease diagnostics, health monitoring and predictions, and medical interventions.
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Affiliation(s)
- Huijie Li
- Department of Biomedical Engineering and the Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, USA
| | - Jianhe Yuan
- Department of Electrical Engineering and Computer Science, University of Missouri-Columbia, Columbia, Missouri 65211, USA
| | - Gavin Fennell
- Department of Biomedical Engineering and the Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, USA
| | - Vagif Abdulla
- Department of Biomedical Engineering and the Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, USA
| | - Ravi Nistala
- Division of Nephrology, Department of Medicine, University of Missouri-Columbia, Columbia, Missouri 65212, USA
| | - Dima Dandachi
- Division of Infectious Diseases, Department of Medicine, University of Missouri-Columbia, 1 Hospital Drive, Columbia, Missouri 65212, USA
| | - Dominic K. C. Ho
- Department of Electrical Engineering and Computer Science, University of Missouri-Columbia, Columbia, Missouri 65211, USA
| | - Yi Zhang
- Department of Biomedical Engineering and the Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, USA
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16
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Lin S, Liu C, Chen X, Zhang Y, Lin H, Yu X, Bo Y, Lu Y. Self-Driven Photo-Polarized Water Molecule-Triggered Graphene-Based Photodetector. RESEARCH (WASHINGTON, D.C.) 2023; 6:0202. [PMID: 37529624 PMCID: PMC10389694 DOI: 10.34133/research.0202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 07/05/2023] [Indexed: 08/03/2023]
Abstract
Flowing water can be used as an energy source for generators, providing a major part of the energy for daily life. However, water is rarely used for information or electronic devices. Herein, we present the feasibility of a polarized liquid-triggered photodetector in which polarized water is sandwiched between graphene and a semiconductor. Due to the polarization and depolarization processes of water molecules driven by photogenerated carriers, a photo-sensitive current can be repeatedly produced, resulting in a high-performance photodetector. The response wavelength of the photodetector can be fine-tuned as a result of the free choice of semiconductors as there is no requirement of lattice match between graphene and the semiconductors. Under zero voltage bias, the responsivity and specific detectivity of Gr/NaCl (0.5 M)W/N-GaN reach values of 130.7 mA/W and 2.3 × 109 Jones under 350 nm illumination, respectively. Meanwhile, using a polar liquid photodetector can successfully read the photoplethysmography signals to produce accurate oxygen blood saturation and heart rate. Compared with the commercial pulse oximetry sensor, the average errors of oxygen saturation and heart rate in the designed photoplethysmography sensor are ~1.9% and ~2.1%, respectively. This study reveals that water can be used as a high-performance photodetector in informative industries.
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Affiliation(s)
- Shisheng Lin
- College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, P. R. China
- Hangzhou Gelanfeng Technology Co. Ltd, Hangzhou 310051, P. R. China
- State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, P. R. China
| | - Chang Liu
- College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, P. R. China
| | - Xin Chen
- College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, P. R. China
| | - Yi Zhang
- Key Laboratory of Wide Bandgap Semiconductor Materials and Devices, HCSemitek Corporation, Yiwu 322009, P. R. China
| | - Hongtao Lin
- College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, P. R. China
| | - Xutao Yu
- College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, P. R. China
| | - Yujiao Bo
- College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, P. R. China
| | - Yanghua Lu
- Hangzhou Gelanfeng Technology Co. Ltd, Hangzhou 310051, P. R. China
- Smart Materials for Architecture Research Lab, Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing 314100, P. R. China
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17
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Han I, Song J, Kim K, Kim H, Son H, Kim M, Lee U, Choi K, Ji H, Lee SH, Kwak MK, Ok JG. Demonstration of a roll-to-roll-configurable, all-solution-based progressive assembly of flexible transducer devices consisting of functional nanowires on micropatterned electrodes. Sci Rep 2023; 13:11980. [PMID: 37488145 PMCID: PMC10366188 DOI: 10.1038/s41598-023-38635-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 07/12/2023] [Indexed: 07/26/2023] Open
Abstract
We demonstrate continuous fabrication of flexible transducer devices consisting of interdigitated (IDT) Ag microelectrodes interconnected by ZnO nanowires (ZNWs), created via serially connected solution-processable micro- and nanofabrication processes. On an Ag layer obtainable from the mild thermal reduction of an ionic Ag ink coating, the roll-to-roll-driven photolithography process [termed photo roll lithography (PRL)] followed by wet-etching can be applied to continuously define the IDT microelectrode structure. Conformal ZNWs can then be grown selectively on the Ag electrodes to interconnect them via an Ag-mediated hydrothermal ZNW growth that does not require high-temperature seed sintering. Given that all of these constitutive processes are vacuum-free and solution-processable at a low temperature, and are compatible with continuous processing onto flexible substrates, they can be eventually configured into the roll-to-roll-processable progressive assembly. Through parametric optimizations of processes consisting of the roll-to-roll-configurable, solution-based progressive assembly of nanostructures (ROLSPAN), a flexible transducer consisting of ZNW-interconnected, PRL-ed IDT Ag electrodes can be developed. This flexible architecture faithfully performs UV sensing as well as optoelectronic transduction. The ROLSPAN concept along with its specific applicability to flexible devices may inspire many diverse functional systems requiring high-throughput low-temperature fabrication over large-area flexible substrates.
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Affiliation(s)
- Inhui Han
- Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232 Gongneung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea
| | - Jungkeun Song
- Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232 Gongneung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea
| | - Kwangjun Kim
- Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232 Gongneung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea
| | - Hyein Kim
- Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232 Gongneung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea
| | - Hyunji Son
- Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232 Gongneung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea
| | - Minwook Kim
- Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232 Gongneung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea
| | - Useung Lee
- Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232 Gongneung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea
| | - Kwangjin Choi
- Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232 Gongneung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea
| | - Hojae Ji
- Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232 Gongneung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea
| | - Sung Ho Lee
- Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550-Gil, Saha-Gu, Busan, 49315, Republic of Korea.
| | - Moon Kyu Kwak
- School of Mechanical Engineering, Kyungpook National University, 80 Daehak-Ro, Buk-Gu, Daegu, 41566, Republic of Korea.
- Ncoretechnology Inc., 80 Daehak-Ro, Buk-Gu, Daegu, 41566, Republic of Korea.
| | - Jong G Ok
- Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology, 232 Gongneung-Ro, Nowon-Gu, Seoul, 01811, Republic of Korea.
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18
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Yu H, Li H, Sun X, Pan L. Biomimetic Flexible Sensors and Their Applications in Human Health Detection. Biomimetics (Basel) 2023; 8:293. [PMID: 37504181 PMCID: PMC10807369 DOI: 10.3390/biomimetics8030293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 07/29/2023] Open
Abstract
Bionic flexible sensors are a new type of biosensor with high sensitivity, selectivity, stability, and reliability to achieve detection in complex natural and physiological environments. They provide efficient, energy-saving and convenient applications in medical monitoring and diagnosis, environmental monitoring, and detection and identification. Combining sensor devices with flexible substrates to imitate flexible structures in living organisms, thus enabling the detection of various physiological signals, has become a hot topic of interest. In the field of human health detection, the application of bionic flexible sensors is flourishing and will evolve into patient-centric diagnosis and treatment in the future of healthcare. In this review, we provide an up-to-date overview of bionic flexible devices for human health detection applications and a comprehensive summary of the research progress and potential of flexible sensors. First, we evaluate the working mechanisms of different classes of bionic flexible sensors, describing the selection and fabrication of bionic flexible materials and their excellent electrochemical properties; then, we introduce some interesting applications for monitoring physical, electrophysiological, chemical, and biological signals according to more segmented health fields (e.g., medical diagnosis, rehabilitation assistance, and sports monitoring). We conclude with a summary of the advantages of current results and the challenges and possible future developments.
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Affiliation(s)
| | | | - Xidi Sun
- Collaborative Innovation Center of Advanced Microstructures, School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China
| | - Lijia Pan
- Collaborative Innovation Center of Advanced Microstructures, School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China
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19
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He W, Guo X, Xia P, Lu S, Zhang Y, Fan H. Temperature and pressure sensitive ionic conductive triple-network hydrogel for high-durability dual signal sensors. J Colloid Interface Sci 2023; 647:456-466. [PMID: 37271090 DOI: 10.1016/j.jcis.2023.05.149] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 05/17/2023] [Accepted: 05/22/2023] [Indexed: 06/06/2023]
Abstract
In this work, the fabrication of strengthened triple network hydrogels was successfully achieved based on in-situ polymerization of polyacrylamide by combining both chemical and physical cross-linking methods. The ion conductive phase of lithium chloride (LiCl) and solvent in the hydrogel were regulated through soaking solution. The pressure and temperature sensing behavior and durability of the hydrogel were investigated. The hydrogel containing 1 mol/L LiCl and 30 %v/v glycerol displayed a pressure sensitivity of 4.16 kPa-1 and a temperature sensitivity of 2.04 %/oC ranging from 20 to 50 °C. The durability results reveal that the hydrogel could maintain water retention rate of 69 % after 20 days of ageing. The presence of LiCl disrupted the interactions among water molecules and made it possible for the hydrogel to respond to changes in environment humidity. The dual signal testing revealed that the delay of temperature response over time (about 100 s) is much different from the rapidity of pressure response (in 0.5 s). This leads to the obvious separation of the temperature-pressure dual signal output. The assembled hydrogel sensor was further applied to monitor human motion and skin temperature. The signals can be distinguished by different resistance variation values and curve shapes in the typical temperature-pressure dual signal performance of human breathing. This demonstrates that this ion conductive hydrogel has the potential for application in flexible sensors and human-machine interfaces.
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Affiliation(s)
- Weidi He
- College of Materials & Metallurgy, Guizhou University, Guiyang Guizhou 550025, China; National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang Guizhou 550014, China
| | - Xincheng Guo
- College of Materials & Metallurgy, Guizhou University, Guiyang Guizhou 550025, China
| | - Peng Xia
- College of Materials & Metallurgy, Guizhou University, Guiyang Guizhou 550025, China
| | - Shengjun Lu
- College of Materials & Metallurgy, Guizhou University, Guiyang Guizhou 550025, China; National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang Guizhou 550014, China.
| | - Yufei Zhang
- College of Materials & Metallurgy, Guizhou University, Guiyang Guizhou 550025, China.
| | - Haosen Fan
- College of Materials & Metallurgy, Guizhou University, Guiyang Guizhou 550025, China.
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20
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Tai YC, An S, Huang PR, Jheng YT, Lee KC, Cheng HH, Kim M, Chang GE. Transfer-printing-enabled GeSn flexible resonant-cavity-enhanced photodetectors with strain-amplified mid-infrared optical responses. NANOSCALE 2023; 15:7745-7754. [PMID: 37000582 DOI: 10.1039/d2nr07107j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Mid-infrared (MIR) flexible photodetectors (FPDs) constitute an essential element for wearable applications, including health-care monitoring and biomedical detection. Compared with organic materials, inorganic semiconductors are promising candidates for FPDs owing to their superior performance as well as optoelectronic properties. Herein, for the first time, we present the use of transfer-printing techniques to enable a cost-effective, nontoxic GeSn MIR resonant-cavity-enhanced FPDs (RCE-FPDs) with strain-amplified optical responses. A narrow bandgap nontoxic GeSn nanomembrane was employed as the active layer, which was grown on a silicon-on-insulator substrate and then transfer-printed onto a polyethylene terephthalate (PET) substrate, eliminating the unwanted defects and residual compressive strain, to yield the MIR RCE-FPDs. In addition, a vertical cavity was created for the GeSn active layer to enhance the optical responsivity. Under bending conditions, significant tensile strain up to 0.274% was introduced into the GeSn active layer to effectively modulate the band structure, extend the photodetection in the MIR region, and substantially enhance the optical responsivity to 0.292 A W-1 at λ = 1770 nm, corresponding to an enhancement of 323% compared with the device under flat conditions. Moreover, theoretical simulations were performed to confirm the strain effect on the device performance. The results demonstrated high-performance, nontoxic MIR RCE-FPDs for applications in flexible photodetection.
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Affiliation(s)
- Yeh-Chen Tai
- Department of Mechanical Engineering, and Advanced Institute of Manufacturing with High-Tech Innovations (AIM-HI), National Chung Cheng University, Chiayi 62102, Taiwan.
| | - Shu An
- School of Electrical and Electronic Engineering, Nanyang Technological University, 639798 Singapore, Singapore.
| | - Po-Rei Huang
- Department of Mechanical Engineering, and Advanced Institute of Manufacturing with High-Tech Innovations (AIM-HI), National Chung Cheng University, Chiayi 62102, Taiwan.
| | - Yue-Tong Jheng
- Department of Mechanical Engineering, and Advanced Institute of Manufacturing with High-Tech Innovations (AIM-HI), National Chung Cheng University, Chiayi 62102, Taiwan.
| | - Kuo-Chih Lee
- Center for Condensed Matter Sciences, and Graduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Hung-Hsiang Cheng
- Center for Condensed Matter Sciences, and Graduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Munho Kim
- School of Electrical and Electronic Engineering, Nanyang Technological University, 639798 Singapore, Singapore.
| | - Guo-En Chang
- Department of Mechanical Engineering, and Advanced Institute of Manufacturing with High-Tech Innovations (AIM-HI), National Chung Cheng University, Chiayi 62102, Taiwan.
- Center for Condensed Matter Sciences, and Graduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, Taiwan
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21
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Xu X, Zhao Y, Liu Y. Wearable Electronics Based on Stretchable Organic Semiconductors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206309. [PMID: 36794301 DOI: 10.1002/smll.202206309] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/25/2022] [Indexed: 05/18/2023]
Abstract
Wearable electronics are attracting increasing interest due to the emerging Internet of Things (IoT). Compared to their inorganic counterparts, stretchable organic semiconductors (SOSs) are promising candidates for wearable electronics due to their excellent properties, including light weight, stretchability, dissolubility, compatibility with flexible substrates, easy tuning of electrical properties, low cost, and low temperature solution processability for large-area printing. Considerable efforts have been dedicated to the fabrication of SOS-based wearable electronics and their potential applications in various areas, including chemical sensors, organic light emitting diodes (OLEDs), organic photodiodes (OPDs), and organic photovoltaics (OPVs), have been demonstrated. In this review, some recent advances of SOS-based wearable electronics based on the classification by device functionality and potential applications are presented. In addition, a conclusion and potential challenges for further development of SOS-based wearable electronics are also discussed.
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Affiliation(s)
- Xinzhao Xu
- Laboratory of Molecular Materials and Devices, Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
| | - Yan Zhao
- Laboratory of Molecular Materials and Devices, Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
| | - Yunqi Liu
- Laboratory of Molecular Materials and Devices, Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
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22
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Liu G, Lv Z, Batool S, Li MZ, Zhao P, Guo L, Wang Y, Zhou Y, Han ST. Biocompatible Material-Based Flexible Biosensors: From Materials Design to Wearable/Implantable Devices and Integrated Sensing Systems. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2207879. [PMID: 37009995 DOI: 10.1002/smll.202207879] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/28/2023] [Indexed: 06/19/2023]
Abstract
Human beings have a greater need to pursue life and manage personal or family health in the context of the rapid growth of artificial intelligence, big data, the Internet of Things, and 5G/6G technologies. The application of micro biosensing devices is crucial in connecting technology and personalized medicine. Here, the progress and current status from biocompatible inorganic materials to organic materials and composites are reviewed and the material-to-device processing is described. Next, the operating principles of pressure, chemical, optical, and temperature sensors are dissected and the application of these flexible biosensors in wearable/implantable devices is discussed. Different biosensing systems acting in vivo and in vitro, including signal communication and energy supply are then illustrated. The potential of in-sensor computing for applications in sensing systems is also discussed. Finally, some essential needs for commercial translation are highlighted and future opportunities for flexible biosensors are considered.
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Affiliation(s)
- Gang Liu
- Institute of Microscale Optoelectronics and College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Ziyu Lv
- Institute of Microscale Optoelectronics and College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Saima Batool
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | | | - Pengfei Zhao
- Institute of Microscale Optoelectronics and College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Liangchao Guo
- College of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, P. R. China
| | - Yan Wang
- School of Microelectronics, Hefei University of Technology, Hefei, 230009, P. R. China
| | - Ye Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Su-Ting Han
- Institute of Microscale Optoelectronics and College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
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23
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Luo Z, Xu H, Gao W, Yang M, He Y, Huang Z, Yao J, Zhang M, Dong H, Zhao Y, Zheng Z, Li J. High-Performance and Polarization-Sensitive Imaging Photodetector Based on WS 2 /Te Tunneling Heterostructure. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207615. [PMID: 36605013 DOI: 10.1002/smll.202207615] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/23/2022] [Indexed: 06/17/2023]
Abstract
Next-generation imaging systems require photodetectors with high sensitivity, polarization sensitivity, miniaturization, and integration. By virtue of their intriguing attributes, emerging 2D materials offer innovative avenues to meet these requirements. However, the current performance of 2D photodetectors is still below the requirements for practical application owing to the severe interfacial recombination, the lack of photoconductive gain, and insufficient photocarrier collection. Here, a tunneling dominant imaging photodetector based on WS2 /Te heterostructure is reported. This device demonstrates competitive performance, including a remarkable responsivity of 402 A W-1 , an outstanding detectivity of 9.28 × 1013 Jones, a fast rise/decay time of 1.7/3.2 ms, and a high photocurrent anisotropic ratio of 2.5. These outstanding performances can be attributed to the type-I band alignment with carrier transmission barriers and photoinduced tunneling mechanism, allowing reduced interfacial trapping effect, effective photoconductive gains, and anisotropic collection of photocarriers. Significantly, the constructed photodetector is successfully integrated into a polarized light imaging system and an ultra-weak light imaging system to illustrate the imaging capability. These results suggest the promising application prospect of the device in future imaging systems.
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Affiliation(s)
- Zhongtong Luo
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Huakai Xu
- College of Science, Guangdong University of Petrochemical Technology, Maoming, Guangdong, 525000, P. R. China
| | - Wei Gao
- School of Semiconductor Science and Technology, South China Normal University, Foshan, Guangdong, 528225, P. R. China
| | - Mengmeng Yang
- School of Semiconductor Science and Technology, South China Normal University, Foshan, Guangdong, 528225, P. R. China
| | - Yan He
- College of Science, Guangdong University of Petrochemical Technology, Maoming, Guangdong, 525000, P. R. China
| | - Zihao Huang
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Jiandong Yao
- State Key Laboratory of Optoelectronic Materials and Technologies, Nanotechnology Research Center, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510275, P. R. China
| | - Menglong Zhang
- School of Semiconductor Science and Technology, South China Normal University, Foshan, Guangdong, 528225, P. R. China
| | - Huafeng Dong
- School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Yu Zhao
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Zhaoqiang Zheng
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Materials and Energy, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Jingbo Li
- School of Semiconductor Science and Technology, South China Normal University, Foshan, Guangdong, 528225, P. R. China
- Guangdong Provincial Key Laboratory of Chip and Integration Technology, Guangzhou, Guangdong, 510631, P. R. China
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24
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Bai X, Gao W, Cai Y, Bai Z, Qi Y, Yan B, Wang Y, Lu Z, Ding J. Advanced Stretchable Photodetectors: Strategies, Materials and Devices. Chemistry 2023; 29:e202203022. [PMID: 36367372 DOI: 10.1002/chem.202203022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/28/2022] [Accepted: 11/11/2022] [Indexed: 11/13/2022]
Abstract
Past decades have witnessed the generation of new stretchable photodetectors in electronic eyes, health sensing, wearable devices, intelligent monitoring and other fields. Stretchable devices require not only outstanding performance but also excellent flexibility, adaptability and stability. Innovative strategies have been proposed to realize the stretchability of devices. In addition, novel functional materials including zero-dimensional nanomaterials, one-dimensional inorganic nanomaterials, two-dimensional layered materials, organic materials, and organic-inorganic composite materials with excellent properties are emerging to continuously improve the performance of devices. Here, the recent research progress of stretchable photodetectors in terms of both various design methods and functional materials is outlined. The optical performance and stretchable properties are also comprehensively reviewed. Finally, a summary and the challenges associated with the application of stretchable photodetectors are presented.
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Affiliation(s)
- Xinyao Bai
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin, 300401, P. R. China.,Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, 300401, P. R. China
| | - Wanxiao Gao
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin, 300401, P. R. China.,Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, 300401, P. R. China
| | - Yunpeng Cai
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin, 300401, P. R. China.,Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, 300401, P. R. China
| | - Zhenxu Bai
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin, 300401, P. R. China.,Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, 300401, P. R. China.,MQ Photonics Research Centre, Department of Physics and Astronomy, Macquarie University, Sydney, NSW, 2109, Australia
| | - Yaoyao Qi
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin, 300401, P. R. China.,Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, 300401, P. R. China
| | - Bingzheng Yan
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin, 300401, P. R. China.,Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, 300401, P. R. China
| | - Yulei Wang
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin, 300401, P. R. China.,Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, 300401, P. R. China
| | - Zhiwei Lu
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin, 300401, P. R. China.,Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, 300401, P. R. China
| | - Jie Ding
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin, 300401, P. R. China.,Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin, 300401, P. R. China
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25
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Sun F, Jiang H, Wang H, Zhong Y, Xu Y, Xing Y, Yu M, Feng LW, Tang Z, Liu J, Sun H, Wang H, Wang G, Zhu M. Soft Fiber Electronics Based on Semiconducting Polymer. Chem Rev 2023; 123:4693-4763. [PMID: 36753731 DOI: 10.1021/acs.chemrev.2c00720] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Fibers, originating from nature and mastered by human, have woven their way throughout the entire history of human civilization. Recent developments in semiconducting polymer materials have further endowed fibers and textiles with various electronic functions, which are attractive in applications such as information interfacing, personalized medicine, and clean energy. Owing to their ability to be easily integrated into daily life, soft fiber electronics based on semiconducting polymers have gained popularity recently for wearable and implantable applications. Herein, we present a review of the previous and current progress in semiconducting polymer-based fiber electronics, particularly focusing on smart-wearable and implantable areas. First, we provide a brief overview of semiconducting polymers from the viewpoint of materials based on the basic concepts and functionality requirements of different devices. Then we analyze the existing applications and associated devices such as information interfaces, healthcare and medicine, and energy conversion and storage. The working principle and performance of semiconducting polymer-based fiber devices are summarized. Furthermore, we focus on the fabrication techniques of fiber devices. Based on the continuous fabrication of one-dimensional fiber and yarn, we introduce two- and three-dimensional fabric fabricating methods. Finally, we review challenges and relevant perspectives and potential solutions to address the related problems.
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Affiliation(s)
- Fengqiang Sun
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
- Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
| | - Hao Jiang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Haoyu Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Yueheng Zhong
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Yiman Xu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Yi Xing
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Muhuo Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
- Shanghai Key Laboratory of Lightweight Structural Composites, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Liang-Wen Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610065, China
| | - Zheng Tang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
- Center for Advanced Low-dimension Materials, Donghua University, Shanghai 201620, China
| | - Jun Liu
- National Key Laboratory on Electromagnetic Environment Effects and Electro-Optical Engineering, Nanjing 210007, China
| | - Hengda Sun
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Hongzhi Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Gang Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
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26
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Zhou Y, Li L, Han Z, Li Q, He J, Wang Q. Self-Healing Polymers for Electronics and Energy Devices. Chem Rev 2023; 123:558-612. [PMID: 36260027 DOI: 10.1021/acs.chemrev.2c00231] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Polymers are extensively exploited as active materials in a variety of electronics and energy devices because of their tailorable electrical properties, mechanical flexibility, facile processability, and they are lightweight. The polymer devices integrated with self-healing ability offer enhanced reliability, durability, and sustainability. In this Review, we provide an update on the major advancements in the applications of self-healing polymers in the devices, including energy devices, electronic components, optoelectronics, and dielectrics. The differences in fundamental mechanisms and healing strategies between mechanical fracture and electrical breakdown of polymers are underlined. The key concepts of self-healing polymer devices for repairing mechanical integrity and restoring their functions and device performance in response to mechanical and electrical damage are outlined. The advantages and limitations of the current approaches to self-healing polymer devices are systematically summarized. Challenges and future research opportunities are highlighted.
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Affiliation(s)
- Yao Zhou
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Li Li
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Zhubing Han
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Qi Li
- State Key Laboratory of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China
| | - Jinliang He
- State Key Laboratory of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China
| | - Qing Wang
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
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27
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Liu J, Wang J, Xian K, Zhao W, Zhou Z, Li S, Ye L. Organic and quantum dot hybrid photodetectors: towards full-band and fast detection. Chem Commun (Camb) 2023; 59:260-269. [PMID: 36510729 DOI: 10.1039/d2cc05281d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Photodetectors hold great application potential in many fields such as image sensing, night vision, infrared communication and health monitoring. To date, commercial photodetectors mainly rely on inorganic semiconductors, e.g., monocrystalline silicon, germanium, and indium selenide/gallium with complex and costly fabrication, which are hardly compatible with wearable electronics. In contrast, organic conjugated materials provide great superiority in flexibility and stretchability. In this Highlight, the unique properties of organic and quantum dot photodetectors were firstly discussed to reveal the great complementarity of the two technologies. Subsequently, the recent advance of organic/quantum dot hybrid photodetectors was outlined to highlight their great potential in developing broadband and high-performance photodetectors. Moreover, the multiple functions (e.g., dual-band detection and upconversion detection) of hybrid photodetectors were highlighted for their promising application in image sensing and infrared detection. Lastly, we present a forword-looking discussion on the challenges and our insights for the further advancement of hybrid photodetectors. This work may spark enormous research attention in organic/quantum dot electronics and advance the commercial applications.
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Affiliation(s)
- Junwei Liu
- School of Materials Science and Engineering, School of Environmental Science and Engineering, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300350, China. .,State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China.
| | - Jingjing Wang
- School of Materials Science and Engineering, School of Environmental Science and Engineering, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300350, China.
| | - Kaihu Xian
- School of Materials Science and Engineering, School of Environmental Science and Engineering, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300350, China.
| | - Wenchao Zhao
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Zhihua Zhou
- School of Materials Science and Engineering, School of Environmental Science and Engineering, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300350, China.
| | - Shaojuan Li
- State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China.
| | - Long Ye
- School of Materials Science and Engineering, School of Environmental Science and Engineering, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300350, China. .,State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China.
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28
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Liu X, Wang J, Lin Y, Zhou J, Liu Q, Yu W, Cai Y, Li X, Botcha VD, Rao T, Huang S. Synthesis of Rhenium-Doped Molybdenum Sulfide by Atmospheric Pressure Chemical Vapor Deposition (CVD) for a High-Performance Photodetector. ACS OMEGA 2022; 7:48301-48309. [PMID: 36591144 PMCID: PMC9798488 DOI: 10.1021/acsomega.2c06480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
Two-dimensional layered materials have attracted tremendous attention as photodetectors due to their fascinating features, including comprehensive coverage of band gaps, high potential in new-generation electronic devices, mechanical flexibility, and sensitive light-mass interaction. Currently, graphene and transition-metal dichalcogenides (TMDCs) are the most attractive active materials for constructing photodetectors. A growing number of emerging TMDCs applied in photodetectors bring up opportunities in the direct band gap independence with thickness. This study demonstrated for the first time a photodetector based on a few-layer Re x Mo1-x S2, which was grown by chemical vapor deposition (CVD) under atmospheric pressure. The detailed material characterizations were performed using Raman spectroscopy, photoluminescence, and X-ray photoelectron spectroscopy (XPS) on an as-grown few-layer Re x Mo1-x S2. The results show that both MoS2 and ReS2 peaks appear in the Re x Mo1-x S2 Raman diagram. Re x Mo1-x S2 is observed to emit light at a wavelength of 716.8 nm. The electronic band structure of the few layers of Re x Mo1-x S2 calculated using the first-principles theory suggests that the band gap of Re x Mo1-x S2 is larger than that of ReS2 and smaller than that of MoS2, which is consistent with the photoluminescence results. The thermal stability of the few layers of Re x Mo1-x S2 was evaluated using Raman temperature measurements. It is found that the thermal stability of Re x Mo1-x S2 is close to those of pure ReS2 and MoS2. The fabricated Re x Mo1-x S2 photodetector shows a high response rate of 7.46 A W-1 under 365 nm illumination, offering a competitive performance to the devices based on TMDCs and graphenes. This study unambiguously distinguishes Re x Mo1-x S2 as a future candidate in electronics and optoelectronics.
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Affiliation(s)
- Xinke Liu
- College
of Materials Science and Engineering, College of Electronic and Information
Engineering, Institute of Microelectronics (IME), Guangdong Research
Center for Interfacial Engineering of Functional Materials, Shenzhen University, 3688 Nanhai Avenue, Shenzhen518060, People’s
Republic of China
| | - Jiangchuan Wang
- College
of Materials Science and Engineering, College of Electronic and Information
Engineering, Institute of Microelectronics (IME), Guangdong Research
Center for Interfacial Engineering of Functional Materials, Shenzhen University, 3688 Nanhai Avenue, Shenzhen518060, People’s
Republic of China
| | - Yuheng Lin
- College
of Materials Science and Engineering, College of Electronic and Information
Engineering, Institute of Microelectronics (IME), Guangdong Research
Center for Interfacial Engineering of Functional Materials, Shenzhen University, 3688 Nanhai Avenue, Shenzhen518060, People’s
Republic of China
| | - Jie Zhou
- College
of Materials Science and Engineering, College of Electronic and Information
Engineering, Institute of Microelectronics (IME), Guangdong Research
Center for Interfacial Engineering of Functional Materials, Shenzhen University, 3688 Nanhai Avenue, Shenzhen518060, People’s
Republic of China
| | - Qiang Liu
- State
Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information
Technology, CAS, 865
Chang Ning Road, Shanghai200050, People’s Republic
of China
| | - Wenjie Yu
- State
Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information
Technology, CAS, 865
Chang Ning Road, Shanghai200050, People’s Republic
of China
| | - Yongqing Cai
- Joint
Key Laboratory of Ministry of Education, Institute of Applied Physics
and Materials Engineering, University of
Macau, Taipa, Macau999078, China
| | - Xiaohua Li
- College
of Materials Science and Engineering, College of Electronic and Information
Engineering, Institute of Microelectronics (IME), Guangdong Research
Center for Interfacial Engineering of Functional Materials, Shenzhen University, 3688 Nanhai Avenue, Shenzhen518060, People’s
Republic of China
| | - V. Divakar Botcha
- College
of Materials Science and Engineering, College of Electronic and Information
Engineering, Institute of Microelectronics (IME), Guangdong Research
Center for Interfacial Engineering of Functional Materials, Shenzhen University, 3688 Nanhai Avenue, Shenzhen518060, People’s
Republic of China
| | - Tingke Rao
- College
of Materials Science and Engineering, College of Electronic and Information
Engineering, Institute of Microelectronics (IME), Guangdong Research
Center for Interfacial Engineering of Functional Materials, Shenzhen University, 3688 Nanhai Avenue, Shenzhen518060, People’s
Republic of China
| | - Shuangwu Huang
- College
of Materials Science and Engineering, College of Electronic and Information
Engineering, Institute of Microelectronics (IME), Guangdong Research
Center for Interfacial Engineering of Functional Materials, Shenzhen University, 3688 Nanhai Avenue, Shenzhen518060, People’s
Republic of China
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Shang H, Hu Y, Gao F, Dai M, Zhang S, Wang S, Ouyang D, Li X, Song X, Gao B, Zhai T, Hu P. Carrier Recirculation Induced High-Gain Photodetector Based on van der Waals Heterojunction. ACS NANO 2022; 16:21293-21302. [PMID: 36468786 DOI: 10.1021/acsnano.2c09366] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Two-dimensional (2D) materials have attracted great attention in the field of photodetection due to their excellent electronic and optoelectronic properties. However, the weak optical absorption caused by atomically thin layers and the short lifetime of photocarriers limit their optoelectronic performance, especially for weak light detection. In this work, we design a high-gain photodetector induced by carrier recirculation based on a vertical InSe/GaSe heterojunction. In this architecture, the photogenerated holes are trapped in GaSe due to the built-in electric field, suppressing the recombination rate of photocarriers, so the electrons can recirculate for multiple times in the InSe channel following the generation of a single electron-hole pair, resulting a high photoconductive gain (107). The responsivity and detectivity of the InSe/GaSe heterojunction can reach 1037 A/W and 8.6 × 1013 Jones, which are 1 order of magnitude higher than those of individual InSe. More importantly, the InSe/GaSe heterojunction can respond to weaker light (1 μW/cm2) compared to individual InSe (10 μW/cm2). Utilizing GaSe as the channel and InSe as the electrons trapped layer, the same experimental phenomenon is achieved. This work can provide an approach for designing a highly sensitive device utilizing a 2D van der Waals heterojunction, and it also possesses wide applicability for other materials.
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Affiliation(s)
- Huiming Shang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin150080,China
- MOE Key Lab of Micro-System and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin150080, China
| | - Yunxia Hu
- MOE Key Lab of Micro-System and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin150080, China
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin150080, China
| | - Feng Gao
- MOE Key Lab of Micro-System and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin150080, China
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin150080, China
| | - Mingjin Dai
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore639798, Singapore
| | - Shichao Zhang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin150080,China
- MOE Key Lab of Micro-System and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin150080, China
| | - Shuai Wang
- MOE Key Lab of Micro-System and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin150080, China
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin150080, China
| | - Decai Ouyang
- School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan430074, P. R. China
| | - Xinyu Li
- School of Physics, Harbin Institute of Technology, Harbin150080, China
| | - Xin Song
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin150080,China
- MOE Key Lab of Micro-System and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin150080, China
| | - Bo Gao
- School of Physics, Harbin Institute of Technology, Harbin150080, China
| | - Tianyou Zhai
- School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan430074, P. R. China
| | - PingAn Hu
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin150080,China
- MOE Key Lab of Micro-System and Micro-Structures Manufacturing, Harbin Institute of Technology, Harbin150080, China
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin150080, China
- State Key Laboratory of Robotics and Systems, Harbin Institute of Technology, Harbin150080, China
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Liu Y, Su G, Zhang R, Dai R, Li Z. Nanomaterials-Functionalized Hydrogels for the Treatment of Cutaneous Wounds. Int J Mol Sci 2022; 24:336. [PMID: 36613778 PMCID: PMC9820076 DOI: 10.3390/ijms24010336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/17/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
Hydrogels have been utilized extensively in the field of cutaneous wound treatment. The introduction of nanomaterials (NMs), which are a big category of materials with diverse functionalities, can endow the hydrogels with additional and multiple functions to meet the demand for a comprehensive performance in wound dressings. Therefore, NMs-functionalized hydrogels (NMFHs) as wound dressings have drawn intensive attention recently. Herein, an overview of reports about NMFHs for the treatment of cutaneous wounds in the past five years is provided. Firstly, fabrication strategies, which are mainly divided into physical embedding and chemical synthesis of the NMFHs, are summarized and illustrated. Then, functions of the NMFHs brought by the NMs are reviewed, including hemostasis, antimicrobial activity, conductivity, regulation of reactive oxygen species (ROS) level, and stimulus responsiveness (pH responsiveness, photo-responsiveness, and magnetic responsiveness). Finally, current challenges and future perspectives in this field are discussed with the hope of inspiring additional ideas.
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Affiliation(s)
- Yangkun Liu
- Institute of Engineering Medicine, School of Medical Technology, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China
| | - Gongmeiyue Su
- Institute of Engineering Medicine, School of Medical Technology, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China
| | - Ruoyao Zhang
- Institute of Engineering Medicine, School of Medical Technology, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China
| | - Rongji Dai
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China
- School of Life Science, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China
| | - Zhao Li
- Institute of Engineering Medicine, School of Medical Technology, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China
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Gan Y, Qin S, Du Q, Zhang Y, Zhao J, Li M, Wang A, Liu Y, Li S, Dong R, Zhang L, Chen X, Liu C, Wang W, Wang F. Ultrafast and Sensitive Self-Powered Photodetector Based on Graphene/Pentacene Single Crystal Heterostructure with Weak Light Detection Capacity. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2204332. [PMID: 36285815 PMCID: PMC9762291 DOI: 10.1002/advs.202204332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/12/2022] [Indexed: 06/16/2023]
Abstract
Organic materials exhibit efficient light absorption and low-temperature, large-scale processability, and have stimulated enormous research efforts for next-generation optoelectronics. While, high-performance organic devices with fast speed and high responsivity still face intractable challenges, due to their intrinsic limitations including finite carrier mobility and high exciton binding energy. Here an ultrafast and highly sensitive broadband phototransistor is demonstrated by integrating high-quality pentacene single crystal with monolayer graphene. Encouragingly, the -3 dB bandwidth can reach up to 26 kHz, which is a record-speed for such sensitized organic phototransistors. Enormous absorption, long exciton diffusion length of pentacene crystal, and efficient interfacial charge transfer enable a high responsivity of >105 A W-1 and specific detectivity of >1011 Jones. Moreover, self-powered weak-light detection is realized using a simple asymmetric configuration, and the obvious zero-bias photoresponses can be displayed even under 750 nW cm-2 light intensity. Excellent response speed and photoresponsivity enable high-speed image sensor capability in UV-Vis ranges. The results offer a practical strategy for constructing high-performance self-powered organic hybrid photodetectors, with strong applicability in wireless, weak-light detection, and video-frame-rate imaging applications.
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Affiliation(s)
- Yuquan Gan
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Shuchao Qin
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Qianqian Du
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Yuting Zhang
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Jing Zhao
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Mengru Li
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Anran Wang
- National Laboratory of Solid State Microstructures and Jiangsu Provincial Key Laboratory of Advanced Photonic and Electronic MaterialsSchool of Electronic Science and EngineeringNanjing UniversityNanjing210093China
| | - Yunlong Liu
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Shuhong Li
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Ruixin Dong
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Linglong Zhang
- College of PhysicsNanjing University of Aeronautics and AstronauticsKey Laboratory of Aerospace Information Materials and Physics (NUAA)MIITNanjing211106China
| | - Xiaoqing Chen
- Key Laboratory of Light Field Manipulation and Information AcquisitionMinistry of Industry and Information Technologyand Shaanxi Key Laboratory of Optical Information TechnologySchool of Physical Science and TechnologyNorthwestern Polytechnical UniversityXi'an710129China
| | - Cailong Liu
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Wenjun Wang
- Key Laboratory of Optical Communication Science and Technology of Shandong ProvinceSchool of Physical Science and Information EngineeringLiaocheng UniversityLiaocheng252059China
| | - Fengqiu Wang
- National Laboratory of Solid State Microstructures and Jiangsu Provincial Key Laboratory of Advanced Photonic and Electronic MaterialsSchool of Electronic Science and EngineeringNanjing UniversityNanjing210093China
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Wang XM, Zhu B, Huang Y, Shen L, Chai Y, Han J, Yu J, Wang Z, Chen X. High-performance self-powered integrated system of pressure sensor and supercapacitor based on Cu@Cu2O/graphitic carbon layered porous structure. J Colloid Interface Sci 2022; 632:140-150. [DOI: 10.1016/j.jcis.2022.11.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/07/2022] [Accepted: 11/12/2022] [Indexed: 11/18/2022]
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Liu M, Fan Q, Wang J, Lin F, Zhao Z, Yang K, Zhao X, Zhou Z, Jen AKY, Zhang F. Double-Layered Strategy for Broadband Photomultiplication-Type Organic Photodetectors and Achieving Narrowband Response in Violet, Red, and Near-Infrared Light. ACS APPLIED MATERIALS & INTERFACES 2022; 14:45636-45643. [PMID: 36172726 DOI: 10.1021/acsami.2c12154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Broadband photomultiplication-type organic photodetectors (PM-OPDs) were prepared with PMBBDT:PY3Se-2V (1:1, wt/wt) as the absorbing layer (AL) and PC71BM:P3HT (100:5, wt/wt) as the photomultiplication layer (PML) on the basis of the sandwich structure. The incident photons from ultraviolet light to the near-infrared region can be harvested by AL. The rather less P3HT in PML can produce plenty of isolated hole traps with P3HT surrounded by PC71BM; the electron tunneling injection induced by trapped holes near the Ag electrode can lead to the photomultiplication (PM) phenomenon. The performance of PM-OPDs can be effectively improved by optimizing the AL thickness. The optimal PM-OPDs exhibit a broad spectral response from 300 to 1050 nm as well as an external quantum efficiency (EQE) of 5800% at 340 nm at 10 V bias, along with a specific detectivity (D*) of 3.78 × 1013 Jones. The spectral response of PM-OPDs is controlled by the trapped-hole distribution near the Ag electrode, primarily originating from the photogenerated holes in AL. To further optimize the spectral response of PM-OPDs, the optical filter layer (OFL) was used to manipulate light field distribution in AL. The violet, red, and near-infrared-light PM-OPDs were developed by employing different OFLs.
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Affiliation(s)
- Ming Liu
- School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100044, China
| | - Qunping Fan
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xian 710049, Shanxi Province, China
- Department of Chemistry, City University of Hong Kong, Kowloon 999077, Hongkong, China
| | - Jian Wang
- College of Physics and Electronic Engineering, Taishan University, Taian 271000, Shandong Province, China
| | - Francis Lin
- Department of Chemistry, City University of Hong Kong, Kowloon 999077, Hongkong, China
| | - Zijin Zhao
- School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100044, China
| | - Kaixuan Yang
- School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100044, China
| | - Xingchao Zhao
- School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100044, China
| | - Zhengji Zhou
- National and Local Joint Engineering Research Center for High-Efficiency Display and Lighting Technology, Henan University, Kaifeng 475004, Henan Province, China
| | - Alex K-Y Jen
- Department of Chemistry, City University of Hong Kong, Kowloon 999077, Hongkong, China
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon 999077, Hongkong, China
| | - Fujun Zhang
- School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100044, China
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Magdaleno AJ, Frisenda R, Prins F, Castellanos-Gomez A. Broadband-tunable spectral response of perovskite-on-paper photodetectors using halide mixing. NANOSCALE 2022; 14:14057-14063. [PMID: 36129322 PMCID: PMC9536486 DOI: 10.1039/d2nr02963d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 08/31/2022] [Indexed: 06/15/2023]
Abstract
Paper offers a low-cost and widely available substrate for electronics. It possesses alternative characteristics to silicon, as it shows low density and high flexibility, together with biodegradability. Solution processable materials, such as hybrid perovskites, also present light and flexible features, together with a huge tunability of the material composition with varying optical properties. In this study, we combine paper substrates with halide-mixed perovskites for the creation of low-cost and easy-to-prepare perovskite-on-paper photodetectors with a broadband-tunable spectral response. From the bandgap tunability of halide-mixed perovskites we create photodetectors with a cut-off spectral onset that ranges from the NIR to the green region, by increasing the bromide content on MAPb(I1-xBrx)3 perovskite alloys. The devices show a fast and efficient response. The best performances are observed for pure I and Br perovskite compositions, with a maximum responsivity of ∼400 mA W-1 on the MAPbBr3 device. This study provides an example of the wide range of possibilities that the combination of solution processable materials with paper substrates offers for the development of low-cost, biodegradable and easy-to-prepare devices.
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Affiliation(s)
- Alvaro J Magdaleno
- Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, 28049 Madrid, Spain.
- Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Riccardo Frisenda
- Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), 28049 Madrid, Spain.
- Department of Physics, Sapienza University of Rome, 00185 Rome, Italy
| | - Ferry Prins
- Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, 28049 Madrid, Spain.
- Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, 28049 Madrid, Spain
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Xu S, Tang J, Qu J, Xia P, Zhu K, Shao H, Wang C. Lead-Free Copper-Based Perovskite Nanonets for Deep Ultraviolet Photodetectors with High Stability and Better Performance. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3264. [PMID: 36234392 PMCID: PMC9565817 DOI: 10.3390/nano12193264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/15/2022] [Accepted: 09/17/2022] [Indexed: 06/16/2023]
Abstract
Considering practical application and commercialization, the research of non-toxic and stable halide perovskite and its application in the field of photoelectric detection have received great attention. However, there are relatively few studies on deep ultraviolet photodetectors, and the perovskite films prepared by traditional spin-coating method have disadvantages such as uneven grain size and irregular agglomeration, which limit their device performance. Herein, uniform and ordered Cs3Cu2I5 nanonet arrays are fabricated based on monolayer colloidal crystal (MCC) templates prepared with 1 μm polystyrene (PS) spheres, which enhance light-harvesting ability. Furthermore, the performance of the lateral photodetector (PD) is significantly enhanced when using Cs3Cu2I5 nanonet compared to the pure Cs3Cu2I5 film. Under deep ultraviolet light, the Cs3Cu2I5 nanonet PD exhibits a high light responsivity of 1.66 AW-1 and a high detection up to 2.48 × 1012 Jones. Meanwhile, the unencapsulated PD has almost no response to light above 330 nm and shows remarkable stability. The above results prove that Cs3Cu2I5 nanonet can be a great potential light-absorbing layer for solar-blind deep ultraviolet PD, which can be used as light absorption layer of UV solar cell.
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Affiliation(s)
- Shuhong Xu
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China
| | - Jieqin Tang
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China
| | - Junfeng Qu
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China
| | - Pengfei Xia
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China
| | - Kai Zhu
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China
| | - Haibao Shao
- School of Electronics & Information, Nantong University, Nantong 226019, China
| | - Chunlei Wang
- Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China
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Zheng X, Liu Z, Wang R, Chen A. Bending-Insensitive Intrinsically Flexible Ultraviolet Encoding Devices Based on Piezoelectric Nanogenerator-Supplied Liquid Crystalline Polymer Fabrics. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2202639. [PMID: 35871501 DOI: 10.1002/smll.202202639] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 07/06/2022] [Indexed: 06/15/2023]
Abstract
It is significantly challenging for state-of-the-art wearable electronics to stably monitor physicochemical signals under dynamic motions. Herein, a bending-insensitive, self-powered, and intrinsically flexible UV detector has been realized based on well-designed oriented composite fabrics, consisting of ionic liquid (IL)-containing liquid crystalline polymers (ILCPs) and piezoelectric poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] nanogenerators. The novel composite fabrics establish effective UV illuminance-internal stress-electric signal conversion by coupling resistive and piezoelectric effects, with a fast response time of 190 ms. Particularly, benefiting from the intrinsic flexibility of composite fabrics, the ILCP/P(VDF-TrFE) device can maintain stable performance under dynamic bending even if the frequency is up to 2.5 Hz, with a bending insensitivity of less than 1% performance variation under 1.0 mW cm-2 UV light. Combined with the Internet of Things and the American Standard Code for Information Interchange (ASCII), wearable encoding electronics have been successfully implemented with a printing speed of 3.2 s per character under dynamic bending.
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Affiliation(s)
- Xiaoxiong Zheng
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
| | - Zhefeng Liu
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
| | - Rui Wang
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
| | - Aihua Chen
- School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
- Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
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The era of nano-bionic: 2D materials for wearable and implantable body sensors. Adv Drug Deliv Rev 2022; 186:114315. [PMID: 35513130 DOI: 10.1016/j.addr.2022.114315] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/30/2022] [Accepted: 04/29/2022] [Indexed: 12/20/2022]
Abstract
Nano-bionics have the potential of revolutionizing modern medicine. Among nano-bionic devices, body sensors allow to monitor in real-time the health of patients, to achieve personalized medicine, and even to restore or enhance human functions. The advent of two-dimensional (2D) materials is facilitating the manufacturing of miniaturized and ultrathin bioelectronics, that can be easily integrated in the human body. Their unique electronic properties allow to efficiently transduce physical and chemical stimuli into electric current. Their flexibility and nanometric thickness facilitate the adaption and adhesion to human body. The low opacity permits to obtain transparent devices. The good cellular adhesion and reduced cytotoxicity are advantageous for the integration of the devices in vivo. Herein we review the latest and more significant examples of 2D material-based sensors for health monitoring, describing their architectures, sensing mechanisms, advantages and, as well, the challenges and drawbacks that hampers their translation into commercial clinical devices.
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38
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Li Z, Li Z, Zuo C, Fang X. Application of Nanostructured TiO 2 in UV Photodetectors: A Review. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2109083. [PMID: 35061927 DOI: 10.1002/adma.202109083] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 01/16/2022] [Indexed: 06/14/2023]
Abstract
As a wide-bandgap semiconductor material, titanium dioxide (TiO2 ), which possesses three crystal polymorphs (i.e., rutile, anatase, and brookite), has gained tremendous attention as a cutting-edge material for application in the environment and energy fields. Based on the strong attractiveness from its advantages such as high stability, excellent photoelectric properties, and low-cost fabrication, the construction of high-performance photodetectors (PDs) based on TiO2 nanostructures is being extensively developed. An elaborate microtopography and device configuration is the most widely used strategy to achieve efficient TiO2 -based PDs with high photoelectric performances; however, a deep understanding of all the key parameters that influence the behavior of photon-generated carriers, is also highly required to achieve improved photoelectric performances, as well as their ultimate functional applications. Herein, an in-depth illustration of the electrical and optical properties of TiO2 nanostructures in addition to the advances in the technological issues such as preparation, microdefects, p-type doping, bandgap engineering, heterojunctions, and functional applications are presented. Finally, a future outlook for TiO2 -based PDs, particularly that of further functional applications is provided. This work will systematically illustrate the fundamentals of TiO2 and shed light on the preparation of more efficient TiO2 nanostructures and heterojunctions for future photoelectric applications.
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Affiliation(s)
- Ziliang Li
- Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
| | - Ziqing Li
- Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
| | - Chaolei Zuo
- Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
| | - Xiaosheng Fang
- Department of Materials Science, Fudan University, Shanghai, 200433, P. R. China
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Wei Y, Liu X, Miao Y, Liu Y, Wang C, Ying X, Zhang G, Gu H, Zhang M, Chen H. A high-responsivity CsPbBr 3 nanowire photodetector induced by CdS@Cd xZn 1-xS gradient-alloyed quantum dots. NANOSCALE HORIZONS 2022; 7:644-654. [PMID: 35583596 DOI: 10.1039/d2nh00149g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Benefitting from excellent thermal and moisture stability, inorganic halide perovskite materials have established themselves quickly as promising candidates for fabricating photoelectric devices. However, due to their high trap state density and rapid carrier recombination rate, the photoelectric conversion efficiencies of current inorganic halide perovskite materials are still lower than expected. Here, after systematic research on the optoelectronic properties of CsPbBr3 nanowires (NWs) decorated with binary CdS quantum dots (QDs), CdS@ZnS core/shell QDs, and gradient-alloyed CdS@CdxZn1-xS QDs, respectively, we proposed a facile method to improve the quantum efficiency of perovskite-based photodetectors with low cost, in which the aforementioned QDs are firstly integrated with CsPbBr3 NWs, which act as a photosensitive layer. Notably, the responsivity of the CsPbBr3 NW photodetector decorated with CdS@CdxZn1-xS QDs was enhanced about 10-fold compared to that of pristine CsPbBr3 NW devices. This value is far superior to those for hybrids composed of binary CdS QDs and CdS@ZnS core/shell QDs. The high responsivity enhancement phenomena are interpreted based on the unique funnel-shaped energy level of CdS@CdxZn1-xS QDs, which is favorable for light-harvesting and photocarrier separation. This work indicates that our unique QD/NW hybrid nanostructure is a desirable building block for fabricating high-performance photodetectors.
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Affiliation(s)
- Ying Wei
- School of Semiconductor Science and Technology, South China Normal University, Guangzhou 510631, P. R. China.
| | - Xiao Liu
- School of Semiconductor Science and Technology, South China Normal University, Guangzhou 510631, P. R. China.
| | - Yu Miao
- Laboratory of Quantum Engineering and Quantum Material, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, P. R. China
| | - Yuxin Liu
- School of Semiconductor Science and Technology, South China Normal University, Guangzhou 510631, P. R. China.
| | - Chuanglei Wang
- School of Semiconductor Science and Technology, South China Normal University, Guangzhou 510631, P. R. China.
| | - Xiangjing Ying
- School of Semiconductor Science and Technology, South China Normal University, Guangzhou 510631, P. R. China.
| | - Gaotian Zhang
- School of Semiconductor Science and Technology, South China Normal University, Guangzhou 510631, P. R. China.
| | - Huaimin Gu
- School of Semiconductor Science and Technology, South China Normal University, Guangzhou 510631, P. R. China.
| | - Menglong Zhang
- School of Semiconductor Science and Technology, South China Normal University, Guangzhou 510631, P. R. China.
| | - Hongyu Chen
- School of Semiconductor Science and Technology, South China Normal University, Guangzhou 510631, P. R. China.
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40
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Costas A, Florica C, Preda N, Besleaga C, Kuncser A, Enculescu I. Self-connected CuO-ZnO radial core-shell heterojunction nanowire arrays grown on interdigitated electrodes for visible-light photodetectors. Sci Rep 2022; 12:6834. [PMID: 35478207 PMCID: PMC9046224 DOI: 10.1038/s41598-022-10879-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 02/11/2022] [Indexed: 12/02/2022] Open
Abstract
An original photodetector system based on self-connected CuO–ZnO radial core–shell heterojunction nanowire arrays grown on metallic interdigitated electrodes, operating as visible-light photodetector was developed by combining simple preparation approaches. Metallic interdigitated electrodes were fabricated on Si/SiO2 substrates using a conventional photolithography process. Subsequently, a Cu layer was electrodeposited on top of the metallic interdigitated electrodes. The CuO nanowire arrays (core) were obtained by thermal oxidation in air of the Cu layer. Afterwards, a ZnO thin film (shell) was deposited by RF magnetron sputtering covering the surface of the CuO nanowires. The morphological, structural, compositional, optical, electrical and photoelectrical properties of the CuO nanowire arrays and CuO–ZnO core–shell nanowire arrays grown on metallic interdigitated electrodes were investigated. The performances of the devices were evaluated by assessing the figures of merit of the photodetectors based on self-connected CuO–ZnO core–shell heterojunction nanowire arrays grown on the metallic interdigitated electrodes. The radial p–n heterojunction formed between CuO and ZnO generates a type II band alignment that favors an efficient charge separation of photogenerated electron–hole pairs at the CuO–ZnO interface, suppressing their recombination and consequently enhancing the photoresponse and the photoresponsivity of the photodetectors. The electrical connections in the fabricated photodetector devices are made without any additional complex and time-consuming lithographic step through a self-connecting approach for CuO–ZnO core–shell heterojunction nanowire arrays grown directly onto the Ti/Pt metallic interdigitated electrodes. Therefore, the present study provides an accessible path for employing low dimensional complex structures in functional optoelectronic devices such as photodetectors.
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Affiliation(s)
- Andreea Costas
- National Institute of Materials Physics, Nanostructures Laboratory, 405A Atomistilor Street, 077125, Magurele, Ilfov, Romania.
| | - Camelia Florica
- National Institute of Materials Physics, Nanostructures Laboratory, 405A Atomistilor Street, 077125, Magurele, Ilfov, Romania
| | - Nicoleta Preda
- National Institute of Materials Physics, Nanostructures Laboratory, 405A Atomistilor Street, 077125, Magurele, Ilfov, Romania
| | - Cristina Besleaga
- National Institute of Materials Physics, Nanostructures Laboratory, 405A Atomistilor Street, 077125, Magurele, Ilfov, Romania
| | - Andrei Kuncser
- National Institute of Materials Physics, Nanostructures Laboratory, 405A Atomistilor Street, 077125, Magurele, Ilfov, Romania
| | - Ionut Enculescu
- National Institute of Materials Physics, Nanostructures Laboratory, 405A Atomistilor Street, 077125, Magurele, Ilfov, Romania.
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41
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Wang Y, Haick H, Guo S, Wang C, Lee S, Yokota T, Someya T. Skin bioelectronics towards long-term, continuous health monitoring. Chem Soc Rev 2022; 51:3759-3793. [PMID: 35420617 DOI: 10.1039/d2cs00207h] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Skin bioelectronics are considered as an ideal platform for personalised healthcare because of their unique characteristics, such as thinness, light weight, good biocompatibility, excellent mechanical robustness, and great skin conformability. Recent advances in skin-interfaced bioelectronics have promoted various applications in healthcare and precision medicine. Particularly, skin bioelectronics for long-term, continuous health monitoring offer powerful analysis of a broad spectrum of health statuses, providing a route to early disease diagnosis and treatment. In this review, we discuss (1) representative healthcare sensing devices, (2) material and structure selection, device properties, and wireless technologies of skin bioelectronics towards long-term, continuous health monitoring, (3) healthcare applications: acquisition and analysis of electrophysiological, biophysical, and biochemical signals, and comprehensive monitoring, and (4) rational guidelines for the design of future skin bioelectronics for long-term, continuous health monitoring. Long-term, continuous health monitoring of advanced skin bioelectronics will open unprecedented opportunities for timely disease prevention, screening, diagnosis, and treatment, demonstrating great promise to revolutionise traditional medical practices.
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Affiliation(s)
- Yan Wang
- Department of Chemical Engineering, Guangdong Technion-Israel Institute of Technology (GTIIT), Shantou, Guangdong 515063, China.,Technion-Israel Institute of Technology (IIT), Haifa 32000, Israel.,Department of Electrical Engineering and Information Systems, The University of Tokyo, Tokyo 113-8656, Japan. .,Guangdong Provincial Key Laboratory of Materials and Technologies for Energy Conversion, Guangdong Technion - Israel Institute of Technology, Shantou, Guangdong 515063, China
| | - Hossam Haick
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion-Israel Institute of Technology, Haifa 3200003, Israel
| | - Shuyang Guo
- Department of Electrical Engineering and Information Systems, The University of Tokyo, Tokyo 113-8656, Japan.
| | - Chunya Wang
- Department of Electrical Engineering and Information Systems, The University of Tokyo, Tokyo 113-8656, Japan.
| | - Sunghoon Lee
- Department of Electrical Engineering and Information Systems, The University of Tokyo, Tokyo 113-8656, Japan.
| | - Tomoyuki Yokota
- Department of Electrical Engineering and Information Systems, The University of Tokyo, Tokyo 113-8656, Japan.
| | - Takao Someya
- Department of Electrical Engineering and Information Systems, The University of Tokyo, Tokyo 113-8656, Japan.
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42
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Kausar A. State-of-the-art of polymer/nanowall nanocomposite: fundamental—to—leading-edge application. POLYM-PLAST TECH MAT 2022. [DOI: 10.1080/25740881.2021.2015775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Affiliation(s)
- Ayesha Kausar
- Nanosciences Division, National Center for Physics, Quaid-i-Azam University Campus, Islamabad, Pakistan
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43
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Beisenbayev AR, Sadirkhanov ZT, Yerlanuly Y, Kaikanov MI, Jumabekov AN. Self-Powered Organometal Halide Perovskite Photodetector with Embedded Silver Nanowires. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:1034. [PMID: 35407152 PMCID: PMC9000456 DOI: 10.3390/nano12071034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 02/28/2022] [Accepted: 03/05/2022] [Indexed: 12/15/2022]
Abstract
Metal-semiconductor-metal (MSM) configuration of perovskite photodetectors (PPDs) suggests easy and low-cost manufacturing. However, the basic structures of MSM PPDs include vertical and lateral configurations, which require the use of expensive materials such as transparent conductive oxides or/and sophisticated fabrication techniques such as lithography. Integrating metallic nanowire-based electrodes into the perovskite photo-absorber layer to form one-half of the MSM PPD structure could potentially resolve the key issues of both configurations. Here, a manufacturing of solution-processed and self-powered MSM PPDs with embedded silver nanowire electrodes is demonstrated. The embedding of silver nanowire electrode into the perovskite layer is achieved by treating the silver nanowire/perovskite double layer with a methylamine gas vapor. The evaporated gold layer is used as the second electrode to form MSM PPDs. The prepared MSM PPDs show a photoresponsivity of 4 × 10-5 AW-1 in the UV region and 2 × 10-5 AW-1 in the visible region. On average, the devices exhibit a photocurrent of 1.1 × 10-6 A under white light (75 mW cm-2) illumination with an ON/OFF ratio of 83.4. The results presented in this work open up a new method for development and fabrication of simple, solution-processable MSM self-powered PPDs.
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Affiliation(s)
- Almaz R. Beisenbayev
- Department of Chemical Engineering, Nazarbayev University, Nur-Sultan 010000, Kazakhstan;
| | - Zhandos T. Sadirkhanov
- Department of Physics, Nazarbayev University, Nur-Sultan 010000, Kazakhstan; (Z.T.S.); (Y.Y.); (M.I.K.)
| | - Yerassyl Yerlanuly
- Department of Physics, Nazarbayev University, Nur-Sultan 010000, Kazakhstan; (Z.T.S.); (Y.Y.); (M.I.K.)
| | - Marat I. Kaikanov
- Department of Physics, Nazarbayev University, Nur-Sultan 010000, Kazakhstan; (Z.T.S.); (Y.Y.); (M.I.K.)
| | - Askhat N. Jumabekov
- Department of Physics, Nazarbayev University, Nur-Sultan 010000, Kazakhstan; (Z.T.S.); (Y.Y.); (M.I.K.)
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44
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Lin H, Jiang A, Xing S, Li L, Cheng W, Li J, Miao W, Zhou X, Tian L. Advances in Self-Powered Ultraviolet Photodetectors Based on P-N Heterojunction Low-Dimensional Nanostructures. NANOMATERIALS 2022; 12:nano12060910. [PMID: 35335723 PMCID: PMC8953703 DOI: 10.3390/nano12060910] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 02/04/2023]
Abstract
Self-powered ultraviolet (UV) photodetectors have attracted considerable attention in recent years because of their vast applications in the military and civil fields. Among them, self-powered UV photodetectors based on p-n heterojunction low-dimensional nanostructures are a very attractive research field due to combining the advantages of low-dimensional semiconductor nanostructures (such as large specific surface area, excellent carrier transmission channel, and larger photoconductive gain) with the feature of working independently without an external power source. In this review, a selection of recent developments focused on improving the performance of self-powered UV photodetectors based on p-n heterojunction low-dimensional nanostructures from different aspects are summarized. It is expected that more novel, dexterous, and intelligent photodetectors will be developed as soon as possible on the basis of these works.
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Affiliation(s)
- Haowei Lin
- School of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001, China; (A.J.); (S.X.); (L.L.); (W.C.); (J.L.); (W.M.); (X.Z.); (L.T.)
- Henan International Joint Laboratory of Nano-Photoelectric Magnetic Materials, Henan University of Technology, Zhengzhou 450001, China
- Correspondence:
| | - Ao Jiang
- School of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001, China; (A.J.); (S.X.); (L.L.); (W.C.); (J.L.); (W.M.); (X.Z.); (L.T.)
| | - Shibo Xing
- School of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001, China; (A.J.); (S.X.); (L.L.); (W.C.); (J.L.); (W.M.); (X.Z.); (L.T.)
| | - Lun Li
- School of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001, China; (A.J.); (S.X.); (L.L.); (W.C.); (J.L.); (W.M.); (X.Z.); (L.T.)
| | - Wenxi Cheng
- School of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001, China; (A.J.); (S.X.); (L.L.); (W.C.); (J.L.); (W.M.); (X.Z.); (L.T.)
| | - Jinling Li
- School of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001, China; (A.J.); (S.X.); (L.L.); (W.C.); (J.L.); (W.M.); (X.Z.); (L.T.)
| | - Wei Miao
- School of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001, China; (A.J.); (S.X.); (L.L.); (W.C.); (J.L.); (W.M.); (X.Z.); (L.T.)
| | - Xuefei Zhou
- School of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001, China; (A.J.); (S.X.); (L.L.); (W.C.); (J.L.); (W.M.); (X.Z.); (L.T.)
| | - Li Tian
- School of Materials Science and Engineering, Henan University of Technology, Zhengzhou 450001, China; (A.J.); (S.X.); (L.L.); (W.C.); (J.L.); (W.M.); (X.Z.); (L.T.)
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45
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Ding X, Liu R, Zhao J, Hu J, Wu J, Zhang C, Lin J. In situ formation of Co 3O 4 nanocrystals embedded in laser-induced graphene foam for high-energy flexible micro-supercapacitors. Dalton Trans 2022; 51:2846-2854. [PMID: 35098292 DOI: 10.1039/d1dt03848f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The cost-effective synthesis of flexible energy storage devices with high energy and power densities is a challenge in wearable electronics. Here, we report a facile, efficient, and scalable approach for preparing three-dimensional (3D) laser-induced graphene foam (Co3O4@LIG) embedded with porous Co3O4 nanocrystals using a CO2 infrared laser. The in situ formed Co3O4@LIG nanocomposites directly serve as active materials, current collectors, and the conductive substrate for micro-supercapacitors (MSCs). Benefiting from rational structural features, the MSC based on Co3O4@LIG nanocomposites (Co3O4@LIG-MSC) with an interdigitated electrode configuration exhibits excellent electrochemical performance, including a high specific capacitance (143.5 F g-1), excellent rate capability, high energy density (19.9 W h kg-1 at a power density of 0.5 W kg-1), and remarkable power density (15.0 W kg-1 at an energy density of 15.8 W h kg-1). Furthermore, the device possesses good stability under different bending diameters and cycling stability. Such a highly integrated flexible MSC with high energy and power densities made by a directly laser scribing strategy has some potential for the fabrication of wearable energy storage devices.
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Affiliation(s)
- Xiaohong Ding
- Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, College of Ecological and Resources Engineering, Wuyi University, Wuyishan, Fujian, 354300, P. R. China.,Department of Engineering Science and Mechanics, Materials Research Institute, Penn State University, University Park, Pennsylvania 16802, USA
| | - Ruilai Liu
- Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, College of Ecological and Resources Engineering, Wuyi University, Wuyishan, Fujian, 354300, P. R. China
| | - Jingyun Zhao
- Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, College of Ecological and Resources Engineering, Wuyi University, Wuyishan, Fujian, 354300, P. R. China
| | - Jiapeng Hu
- Fujian Provincial Key Laboratory of Eco-Industrial Green Technology, College of Ecological and Resources Engineering, Wuyi University, Wuyishan, Fujian, 354300, P. R. China
| | - Jinjin Wu
- Fujian Key Laboratory of Functional Marine Sensing Materials, College of Material and Chemical Engineering, Minjiang University, Fuzhou, 350108, P. R. China.
| | - Cheng Zhang
- Fujian Key Laboratory of Functional Marine Sensing Materials, College of Material and Chemical Engineering, Minjiang University, Fuzhou, 350108, P. R. China.
| | - Jing Lin
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, P. R. China.
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46
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Ji Y, Zhou D, Wang N, Ding N, Xu W, Song H. Flexible double narrowband near-infrared photodetector based on PMMA/core–shell upconversion nanoparticle composites. J RARE EARTH 2022. [DOI: 10.1016/j.jre.2020.12.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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47
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Zhang H, He R, Niu Y, Han F, Li J, Zhang X, Xu F. Graphene-enabled wearable sensors for healthcare monitoring. Biosens Bioelectron 2022; 197:113777. [PMID: 34781177 DOI: 10.1016/j.bios.2021.113777] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 11/05/2021] [Accepted: 11/06/2021] [Indexed: 01/19/2023]
Abstract
Wearable sensors in healthcare monitoring have recently found widespread applications in biomedical fields for their non- or minimal-invasive, user-friendly and easy-accessible features. Sensing materials is one of the major challenges to achieve these superiorities of wearable sensors for healthcare monitoring, while graphene-based materials with many favorable properties have shown great efficiency in sensing various biochemical and biophysical signals. In this paper, we review state-of-the-art advances in the development and modification of graphene-based materials (i.e., graphene, graphene oxide and reduced graphene oxide) for fabricating advanced wearable sensors with 1D (fibers), 2D (films) and 3D (foams/aerogels/hydrogels) macroscopic structures. We summarize the structural design guidelines, sensing mechanisms, applications and evolution of the graphene-based materials as wearable sensors for healthcare monitoring of biophysical signals (e.g., mechanical, thermal and electrophysiological signals) and biochemical signals from various body fluids and exhaled gases. Finally, existing challenges and future prospects are presented in this area.
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Affiliation(s)
- Huiqing Zhang
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, School of Energy & Power Engineering, Xi'an Jiaotong University, Xi'an, 710049, China; The Key Laboratory of Biomedical Information Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China
| | - Rongyan He
- The Key Laboratory of Biomedical Information Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yan Niu
- The Key Laboratory of Biomedical Information Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China
| | - Fei Han
- The Key Laboratory of Biomedical Information Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China
| | - Jing Li
- Department of Plastic and Burn Surgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710038, China
| | - Xiongwen Zhang
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, School of Energy & Power Engineering, Xi'an Jiaotong University, Xi'an, 710049, China.
| | - Feng Xu
- The Key Laboratory of Biomedical Information Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China.
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48
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Li L, Zhang Q, He B, Pan R, Wang Z, Chen M, Wang Z, Yin K, Yao Y, Wei L, Sun L. Advanced Multifunctional Aqueous Rechargeable Batteries Design: From Materials and Devices to Systems. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2104327. [PMID: 34693565 DOI: 10.1002/adma.202104327] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 07/28/2021] [Indexed: 06/13/2023]
Abstract
Multifunctional aqueous rechargeable batteries (MARBs) are regarded as safe, cost-effective, and scalable electrochemical energy storage devices, which offer additional functionalities that conventional batteries cannot achieve, which ideally leads to unprecedented applications. Although MARBs are among the most exciting and rapidly growing topics in scientific research and industrial development nowadays, a systematic summary of the evolution and advances in the field of MARBs is still not available. Therefore, the review presented comprehensively and systematically summarizes the design principles and the recent advances of MARBs by categories of smart ARBs and integrated systems, together with an analysis of their device design and configuration, electrochemical performance, and diverse smart functions. The two most promising strategies to construct novel MARBs may be A) the introduction of functional materials into ARB components, and B) integration of ARBs with other functional devices. The ongoing challenges and future perspectives in this research and development field are outlined to foster the future development of MARBs. Finally, the most important upcoming research directions in this rapidly developing field are highlighted that may be most promising to lead to the commercialization of MARBs and to a further broadening of their range of applications.
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Affiliation(s)
- Lei Li
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, China
| | - Qichong Zhang
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, China
- Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China
- Division of Nanomaterials and Jiangxi Key Lab of Carbonene Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Nanchang, Chinese Academy of Sciences, Nanchang, 330200, China
| | - Bing He
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Rui Pan
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, China
| | - Zhixun Wang
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Mengxiao Chen
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Zhe Wang
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Kuibo Yin
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, China
| | - Yagang Yao
- National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China
| | - Lei Wei
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Litao Sun
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing, 210096, China
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49
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Nie B, Liu S, Qu Q, Zhang Y, Zhao M, Liu J. Bio-inspired flexible electronics for smart E-skin. Acta Biomater 2022; 139:280-295. [PMID: 34157454 DOI: 10.1016/j.actbio.2021.06.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 06/06/2021] [Accepted: 06/09/2021] [Indexed: 01/11/2023]
Abstract
"Learning from nature" provides endless inspiration for scientists to invent new materials and devices. Here, we review state-of-the-art technologies in flexible electronics, with a focus on bio-inspired smart skins. This review focuses on the development of E-skin for sensing a variety of parameters such as mechanical loads, temperature, light, and biochemical cues, with a trend of increased integration of multiple functions. It highlights the most recent advances in flexible electronics inspired by animals such as chameleons, squids, and octopi whose bodies have remarkable camouflage, mimicry, or self-healing attributes. Implantable devices, being overlapped with smart E-skin in a broad sense, are included in this review. This review outlines the remaining challenges in flexible electronics and the prospects for future development for biomedical applications. STATEMENT OF SIGNIFICANCE: This article reviews the state-of-the-art technologies of bio-inspired smart electronic skin (E-skin) developed in a "learning-mimicking-creating" (LMC) cycle. We emphasize the most recent innovations in the development of E-skin for sensing physical changes and biochemical cues, and for integrating multiple sensing modalities. We discuss the achievements in implantable materials, wireless communication, and device design pertaining to implantable flexible electronics. This review will provide prospective insights integrating material, electronics, and mechanical engineering viewpoints to foster new ideas for next-generation smart E-skin.
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Affiliation(s)
- Baoqing Nie
- School of Electronic and Information Engineering, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Sidi Liu
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Qing Qu
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Yiqiu Zhang
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Mengying Zhao
- School of Electronic and Information Engineering, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Jian Liu
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China.
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50
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Highly-Responsive Broadband Photodetector Based on Graphene-PTAA-SnS2 Hybrid. NANOMATERIALS 2022; 12:nano12030475. [PMID: 35159820 PMCID: PMC8839128 DOI: 10.3390/nano12030475] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/26/2022] [Accepted: 01/26/2022] [Indexed: 12/10/2022]
Abstract
The development of wearable systems stimulate the exploration of flexible broadband photodetectors with high responsivity and stability. In this paper, we propose a facile liquid-exfoliating method to prepare SnS2 nanosheets with high-quality crystalline structure and optoelectronic properties. A flexible photodetector is fabricated using the SnS2 nanosheets with graphene-poly[bis(4-phenyl) (2,4,6-trimethylphenyl) amine (PTAA) hybrid structure. The liquid-exfoliated SnS2 nanosheets enable the photodetection from ultraviolet to near infrared with high responsivity and detectivity. The flexible broadband photodetector demonstrates a maximum responsivity of 1 × 105 A/W, 3.9 × 104 A/W, 8.6 × 102 A/W and 18.4 A/W under 360 nm, 405 nm, 532 nm, and 785 nm illuminations, with specific detectivity up to ~1012 Jones, ~1011 Jones, ~109 Jones, and ~108 Jones, respectively. Furthermore, the flexible photodetector exhibits nearly invariable performance over 3000 bending cycles, rendering great potentials for wearable applications.
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