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Zhou T, Xing F, Wang ZL, Chen B. Multi-Attribute Triboelectric Materials and Innovative Applications Via TENGs. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403996. [PMID: 39011953 DOI: 10.1002/smll.202403996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 06/18/2024] [Indexed: 07/17/2024]
Abstract
Triboelectric nanogenerators (TENGs) as an avant-garde technology that transforms mechanical energy into electrical energy, offering a new direction for green energy and sustainable development. By means of high-efficiency TENGs, conventional materials as new triboelectric materials have exhibited multi-attribute characteristics, achieving innovative applications in the field of micro-nano energy harvesting and self-powered sensing. The progress of TENGs technology with the triboelectric materials is complementary and mutually promoting. On the one hand, one of the cruxes of TENGs lies in the triboelectric materials, which have a decisive impact on their performance. On the other hand, as the research and application of TENGs continue to deepen, higher demands are placed on triboelectric materials, which in turn promotes the advancement of the entire material system as well as the fields of materials science and physics. This work aims to delve into the characteristics, types, preferred choices, and modification treatments of triboelectric materials on the performances of TENGs, hoping to provide guidance and insights for future research and applications.
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Affiliation(s)
- Tengfei Zhou
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 101400, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Fangjing Xing
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 101400, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zhong Lin Wang
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 101400, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Georgia Institute of Technology, Atlanta, GA, 30332-0245, USA
| | - Baodong Chen
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 101400, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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2
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Jeong SY, Kim JS, Kwon YW, Ito Y, Park CH, Park JH, Shin BS, Sugita N. Enhancing Laser-Induced Graphene via Integration of Gold Nanoparticles and Titanium Dioxide for Sensing and Robotics Applications. ACS APPLIED MATERIALS & INTERFACES 2024; 16:33943-33953. [PMID: 38961572 DOI: 10.1021/acsami.4c03844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2024]
Abstract
Laser-induced graphene (LIG) is a promising material for various applications due to its unique properties and facile fabrication. However, the electrochemical performance of LIG is significantly lower than that of pure graphene, limiting its practical use. Theoretically, integrating other conductive materials with LIG can enhance its performance. In this study, we investigated the effects of incorporating gold nanoparticles (AuNPs) and titanium dioxide (TiO2) into LIG on its electrochemical properties using ReaxFF molecular dynamics (MD) simulations and experimental validation. We found that both AuNPs and TiO2 improved the work function and surface potential of LIG, resulting in a remarkable increase in output voltage by up to 970.5% and output power density by 630% compared to that of pristine LIG. We demonstrated the practical utility of these performance-enhanced LIG by developing motion monitoring devices, self-powered sensing systems, and robotic hand platforms. Our work provides new insights into the design and optimization of LIG-based devices for wearable electronics and smart robotics, contributing to the advancement of sustainable technologies.
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Affiliation(s)
- Sung-Yeob Jeong
- Department of Mechanical Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Jin-Su Kim
- Department of Cogno-Mechatronices Enginerring, Pusan National University, Pusan 46241, Republic of Korea
| | - Yong-Wan Kwon
- Department of Mechanical Engineering, Pusan National University, Pusan 46241, Republic of Korea
| | - Yusuke Ito
- Department of Mechanical Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Chang-Hyun Park
- Department of Cogno-Mechatronices Enginerring, Pusan National University, Pusan 46241, Republic of Korea
| | - Jun-Han Park
- Ground Technology Research Institute, Agency for Defense Development, Daejeon 34186, Republic of Korea
| | - Bo-Sung Shin
- Department of Optics and Mechatronics Engineering, Pusan National University, Pusan 46241, Republic of Korea
| | - Naohiko Sugita
- Department of Mechanical Engineering, The University of Tokyo, Tokyo 113-8656, Japan
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Chen Y, Liu Z, Wang Z, Yi Y, Yan C, Xu W, Zhou F, Gao Y, Zhou Q, Zhang C, Deng H. Bioinspired Robust Gas-Permeable On-Skin Electronics: Armor-Designed Nanoporous Flash Graphene Assembly Enhancing Mechanical Resilience. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2402759. [PMID: 38704681 PMCID: PMC11234450 DOI: 10.1002/advs.202402759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/13/2024] [Indexed: 05/07/2024]
Abstract
Soft on-skin electrodes play an important role in wearable technologies, requiring attributes such as wearing comfort, high conductivity, and gas permeability. However, conventional fabrication methods often compromise simplicity, cost-effectiveness, or mechanical resilience. In this study, a mechanically robust and gas-permeable on-skin electrode is presented that incorporates Flash Graphene (FG) integrated with a bioinspired armor design. FG, synthesized through Flash Joule Heating process, offers a small-sized and turbostratic arrangement that is ideal for the assembly of a conductive network with nanopore structures. Screen-printing is used to embed the FG assembly into the framework of polypropylene melt-blown nonwoven fabrics (PPMF), forming a soft on-skin electrode with low sheet resistance (125.2 ± 4.7 Ω/□) and high gas permeability (≈10.08 mg cm⁻2 h⁻¹). The "armor" framework ensures enduring mechanical stability through adhesion, washability, and 10,000 cycles of mechanical contact friction tests. Demonstrating capabilities in electrocardiogram (ECG) and electromyogram (EMG) monitoring, along with serving as a self-powered triboelectric sensor, the FG/PPMF electrode holds promise for scalable, high-performance flexible sensing applications, thereby enriching the landscape of integrated wearable technologies.
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Affiliation(s)
- Yang Chen
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074P. R. China
| | - Zixuan Liu
- College of EngineeringNanjing Agricultural UniversityNanjing210031P. R. China
| | - Zhigang Wang
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074P. R. China
| | - Ying Yi
- School of Mechanical Engineering and Electronic InformationChina University of GeosciencesWuhan430074P. R. China
| | - Chunjie Yan
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074P. R. China
| | - Wenxia Xu
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074P. R. China
| | - Feng Zhou
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074P. R. China
| | - Yuting Gao
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074P. R. China
| | - Qitao Zhou
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074P. R. China
| | - Cheng Zhang
- College of EngineeringNanjing Agricultural UniversityNanjing210031P. R. China
| | - Heng Deng
- Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan430074P. R. China
- Shenzhen Research InstituteChina University of GeosciencesShenzhen518000P. R. China
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Yang W, Han M, Liu F, Wang D, Gao Y, Wang G, Ding X, Luo S. Structure-Foldable and Performance-Tailorable PI Paper-Based Triboelectric Nanogenerators Processed and Controlled by Laser-Induced Graphene. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2310017. [PMID: 38747256 PMCID: PMC11267377 DOI: 10.1002/advs.202310017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 03/22/2024] [Indexed: 07/25/2024]
Abstract
Laser-induced graphene (LIG) technology has provided a new manufacturing strategy for the rapid and scalable assembling of triboelectric nanogenerators (TENG). However, current LIG-based TENG commonly rely on polymer films, e.g., polyimide (PI) as both friction material and carbon precursor of electrodes, which limit the structural diversity and performance escalation due to its incapability of folding and creasing. Using specialized PI paper composed of randomly distributed PI fibers to substantially enhance its foldability, this work creates a new type of TENG, which are structurally foldable and stackable, and performance tailorable. First, by systematically investigating the laser power-regulated performance of single-unit TENG, the open-circuit voltage can be effectively improved. By further exploiting the folding process, multiple TENG units can be assembled together to form multi-layered structures to continuously expand the open-circuit voltage from 5.3 to 34.4 V cm-2, as the increase of friction units from 1 to 16. Last, by fully utilizing the unique structure and performance, representative energy-harvesting and smart-sensing applications are demonstrated, including a smart shoe to recognize running motions and power LEDs, a smart leaf to power a thermometer by wind, a matrix sensor to recognize writing trajectories, as well as a smart glove to recognize different objects.
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Affiliation(s)
- Weixiong Yang
- School of Mechanical Engineering & AutomationBeihang UniversityNo. 37 Xueyuan RoadBeijing100191China
| | - Mingguang Han
- School of Mechanical Engineering & AutomationBeihang UniversityNo. 37 Xueyuan RoadBeijing100191China
| | - Fu Liu
- School of Mechanical Engineering & AutomationBeihang UniversityNo. 37 Xueyuan RoadBeijing100191China
| | - Dan Wang
- School of Mechanical Engineering & AutomationBeihang UniversityNo. 37 Xueyuan RoadBeijing100191China
| | - Yan Gao
- School of Mechanical Engineering & AutomationBeihang UniversityNo. 37 Xueyuan RoadBeijing100191China
| | - Guantao Wang
- School of Mechanical Engineering & AutomationBeihang UniversityNo. 37 Xueyuan RoadBeijing100191China
- Shenzhen Institute of Beihang UniversityNo. 51 GaoxinSouth 9th RoadGuangdong518063China
| | - Xilun Ding
- School of Mechanical Engineering & AutomationBeihang UniversityNo. 37 Xueyuan RoadBeijing100191China
| | - Sida Luo
- School of Mechanical Engineering & AutomationBeihang UniversityNo. 37 Xueyuan RoadBeijing100191China
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5
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Tang Y, Moreira GA, Vanegas D, Datta SPA, McLamore ES. Batch-to-Batch Variation in Laser-Inscribed Graphene (LIG) Electrodes for Electrochemical Sensing. MICROMACHINES 2024; 15:874. [PMID: 39064384 PMCID: PMC11279040 DOI: 10.3390/mi15070874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 06/25/2024] [Accepted: 06/28/2024] [Indexed: 07/28/2024]
Abstract
Laser-inscribed graphene (LIG) is an emerging material for micro-electronic applications and is being used to develop supercapacitors, soft actuators, triboelectric generators, and sensors. The fabrication technique is simple, yet the batch-to-batch variation of LIG quality is not well documented in the literature. In this study, we conduct experiments to characterize batch-to-batch variation in the manufacturing of LIG electrodes for applications in electrochemical sensing. Numerous batches of 36 LIG electrodes were synthesized using a CO2 laser system on polyimide film. The LIG material was characterized using goniometry, stereomicroscopy, open circuit potentiometry, and cyclic voltammetry. Hydrophobicity and electrochemical screening (cyclic voltammetry) indicate that LIG electrode batch-to-batch variation is less than 5% when using a commercial reference and counter electrode. Metallization of LIG led to a significant increase in peak current and specific capacitance (area between anodic/cathodic curve). However, batch-to-batch variation increased to approximately 30%. Two different platinum electrodeposition techniques were studied, including galvanostatic and frequency-modulated electrodeposition. The study shows that formation of metallized LIG electrodes with high specific capacitance and peak current may come at the expense of high batch variability. This design tradeoff has not been discussed in the literature and is an important consideration if scaling sensor designs for mass use is desired. This study provides important insight into the variation of LIG material properties for scalable development of LIG sensors. Additional studies are needed to understand the underlying mechanism(s) of this variability so that strategies to improve the repeatability may be developed for improving quality control. The dataset from this study is available via an open access repository.
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Affiliation(s)
- Yifan Tang
- Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29631, USA;
| | - Geisianny A. Moreira
- Department of Agricultural Sciences, Clemson University, Clemson, SC 29631, USA;
| | - Diana Vanegas
- Department of Environmental Engineering and Earth Sciences, Clemson University, Clemson, SC 29634, USA;
| | - Shoumen P. A. Datta
- Department of Mechanical Engineering, MIT Auto-ID Labs, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;
- Biomedical Engineering Program, Medical Device (MDPnP) Interoperability and Cybersecurity Labs, Department of Anesthesiology, Massachusetts General Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Eric S. McLamore
- Department of Agricultural Sciences, Clemson University, Clemson, SC 29631, USA;
- Department of Environmental Engineering and Earth Sciences, Clemson University, Clemson, SC 29634, USA;
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Ye J, Zhao T, Zhang H. A Pressure and Proximity Sensor Based on Laser-Induced Graphene. SENSORS (BASEL, SWITZERLAND) 2024; 24:3907. [PMID: 38931691 PMCID: PMC11207858 DOI: 10.3390/s24123907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 05/31/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024]
Abstract
Smart wearable devices are extensively utilized across diverse domains due to their inherent advantages of flexibility, portability, and real-time monitoring. Among these, flexible sensors demonstrate exceptional pliability and malleability, making them a prominent focus in wearable electronics research. However, the implementation of flexible wearable sensors often entails intricate and time-consuming processes, leading to high costs, which hinder the advancement of the entire field. Here, we report a pressure and proximity sensor based on oxidized laser-induced graphene (oxidized LIG) as a dielectric layer sandwiched by patterned LIG electrodes, which is characterized by high speed and cost-effectiveness. It is found that in the low-frequency range of fewer than 0.1 kHz, the relative dielectric constant of the oxidized LIG layer reaches an order of magnitude of 104. The pressure mode of this bimodal capacitive sensor is capable of detecting pressures within the range of 1.34 Pa to 800 Pa, with a response time of several hundred milliseconds. The proximity mode involves the application of stimulation using an acrylic probe, which demonstrates a detection range from 0.05 mm to 37.8 mm. Additionally, it has a rapid response time of approximately 100 ms, ensuring consistent signal variations throughout both the approach and withdrawal phases. The sensor fabrication method proposed in this project effectively minimizes expenses and accelerates the preparation cycle through precise control of laser processing parameters to shape the electrode-dielectric layer-electrode within a single substrate material. Based on their exceptional combined performance, our pressure and proximity sensors exhibit significant potential in practical applications such as motion monitoring and distance detection.
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Affiliation(s)
- Jiatong Ye
- School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China; (J.Y.); (T.Z.)
| | - Tiancong Zhao
- School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China; (J.Y.); (T.Z.)
| | - Hangyu Zhang
- School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China; (J.Y.); (T.Z.)
- Liaoning Key Laboratory of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian 116024, China
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7
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Yang R. A multifunctional triboelectric nanogenerator based on PDMS/MXene for bio-mechanical energy harvesting and volleyball training monitoring. Heliyon 2024; 10:e32361. [PMID: 38961958 PMCID: PMC11219322 DOI: 10.1016/j.heliyon.2024.e32361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 06/03/2024] [Accepted: 06/03/2024] [Indexed: 07/05/2024] Open
Abstract
Within the domain of wearable devices that are self-powered and sensory, triboelectric nanogenerators (TENGs) have surfaced as a notable solution to meet the growing needs for energy harvesting. This study unveils an innovative wearable and stretchable multifunctional double-layered TENG, based on PDMS/MXene, known as PM-TENG. Furthermore, PM-TENG can also be used as a joint sensor to monitor the movement of athletes' joints during volleyball training. By augmenting the matrix with PDMS/MXene, which possesses dual capabilities-namely, charge capture and charge movement-the intermediary layer is integrated. This leads to a two fold increase in the ability to trap charges and the overall triboelectric performance. With a power density reaching 11.27 mW, it notably exceeds the performance of its counterparts that solely utilize PDMS, by nearly 11 times. This academic effort elucidates the important role of PM-TENG in biomechanical energy capture and autonomous wearable sports motion sensing.
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Affiliation(s)
- Renwei Yang
- Ministry of Public Foundation, Shanghai University of Finance and Economics, Zhejiang College, 321013, Jinhua, China
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8
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Pinheiro T, Morais M, Silvestre S, Carlos E, Coelho J, Almeida HV, Barquinha P, Fortunato E, Martins R. Direct Laser Writing: From Materials Synthesis and Conversion to Electronic Device Processing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402014. [PMID: 38551106 DOI: 10.1002/adma.202402014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/18/2024] [Indexed: 04/25/2024]
Abstract
Direct Laser Writing (DLW) has been increasingly selected as a microfabrication route for efficient, cost-effective, high-resolution material synthesis and conversion. Concurrently, lasers participate in the patterning and assembly of functional geometries in several fields of application, of which electronics stand out. In this review, recent advances and strategies based on DLW for electronics microfabrication are surveyed and outlined, based on laser material growth strategies. First, the main DLW parameters influencing material synthesis and transformation mechanisms are summarized, aimed at selective, tailored writing of conductive and semiconducting materials. Additive and transformative DLW processing mechanisms are discussed, to open space to explore several categories of materials directly synthesized or transformed for electronics microfabrication. These include metallic conductors, metal oxides, transition metal chalcogenides and carbides, laser-induced graphene, and their mixtures. By accessing a wide range of material types, DLW-based electronic applications are explored, including processing components, energy harvesting and storage, sensing, and bioelectronics. The expanded capability of lasers to participate in multiple fabrication steps at different implementation levels, from material engineering to device processing, indicates their future applicability to next-generation electronics, where more accessible, green microfabrication approaches integrate lasers as comprehensive tools.
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Affiliation(s)
- Tomás Pinheiro
- i3N|CENIMAT, Department of Materials Science, NOVA School of Science and Technology and CEMOP/UNINOVA, Campus de Caparica, Caparica, 2829-516, Portugal
| | - Maria Morais
- i3N|CENIMAT, Department of Materials Science, NOVA School of Science and Technology and CEMOP/UNINOVA, Campus de Caparica, Caparica, 2829-516, Portugal
| | - Sara Silvestre
- i3N|CENIMAT, Department of Materials Science, NOVA School of Science and Technology and CEMOP/UNINOVA, Campus de Caparica, Caparica, 2829-516, Portugal
| | - Emanuel Carlos
- i3N|CENIMAT, Department of Materials Science, NOVA School of Science and Technology and CEMOP/UNINOVA, Campus de Caparica, Caparica, 2829-516, Portugal
| | - João Coelho
- i3N|CENIMAT, Department of Materials Science, NOVA School of Science and Technology and CEMOP/UNINOVA, Campus de Caparica, Caparica, 2829-516, Portugal
| | - Henrique V Almeida
- i3N|CENIMAT, Department of Materials Science, NOVA School of Science and Technology and CEMOP/UNINOVA, Campus de Caparica, Caparica, 2829-516, Portugal
| | - Pedro Barquinha
- i3N|CENIMAT, Department of Materials Science, NOVA School of Science and Technology and CEMOP/UNINOVA, Campus de Caparica, Caparica, 2829-516, Portugal
| | - Elvira Fortunato
- i3N|CENIMAT, Department of Materials Science, NOVA School of Science and Technology and CEMOP/UNINOVA, Campus de Caparica, Caparica, 2829-516, Portugal
| | - Rodrigo Martins
- i3N|CENIMAT, Department of Materials Science, NOVA School of Science and Technology and CEMOP/UNINOVA, Campus de Caparica, Caparica, 2829-516, Portugal
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9
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Kincal C, Solak N. Controlling Thermoelectric Properties of Laser-Induced Graphene on Polyimide. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:879. [PMID: 38786835 PMCID: PMC11124518 DOI: 10.3390/nano14100879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/05/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024]
Abstract
In the field of wearable thermoelectric generators, graphene-based materials have attracted attention as suitable candidates due to their low material costs and tunable electronic properties. However, their high thermal conductivity poses significant challenges. Low thermal conductivity due to porous structure of the laser-induced graphene, combined with its affordability and scalability, positions it as a promising candidate for thermoelectric applications. In this study, thermoelectric properties of the laser-induced graphene (LIG) on polyimide and their dependence on structural modifications of LIG were investigated. Furthermore, it was shown that increasing the laser scribing power on polyimide results in larger graphene flakes and a higher degree of graphitization. Electrical conductivity measurements indicated an increase with increasing laser power, due to a higher degree of graphitization, which enhances charge carrier mobility. Our findings reveal that LIG exhibits p-type semiconducting behavior, characterized by a positive Seebeck coefficient. It was shown that increasing laser power increased the Seebeck coefficient and electrical conductivity simultaneously, which is attributed to a charge carrier energy filtering effect arising from structures occurred on the graphene flakes. Moreover, the porous structure of LIG contributes to its relatively low thermal conductivity, ranging between 0.6 W/m·K and 0.85 W/m·K, which enhances the thermoelectric performance of LIG. It has been observed that with increasing laser power, the figure of merit for laser-induced graphene can be enhanced by nearly 10 times, which holds promising applications for laser-induced graphene due to the tunability of its thermoelectric performance by changing laser parameters.
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Affiliation(s)
| | - Nuri Solak
- Department of Metallurgical and Materials Engineering, Istanbul Technical University, 34469 Istanbul, Turkey;
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10
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Yuan Z, Guo L. Recent advances in solid-liquid triboelectric nanogenerator technologies, affecting factors, and applications. Sci Rep 2024; 14:10456. [PMID: 38714821 PMCID: PMC11076572 DOI: 10.1038/s41598-024-60823-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 04/27/2024] [Indexed: 05/10/2024] Open
Abstract
Converting dispersed mechanical energy into electrical energy can effectively improve the global energy shortage problem. The dispersed mechanical energy generated by liquid flow has a good application prospect as one of the most widely used renewable energy sources. Solid-liquid triboelectric nanogenerator (S-L TENG) is an inspiring device that can convert dispersed mechanical energy of liquids into electrical energy. In order to promote the design and applications of S-L TENG, it is of vital importance to understand the underlying mechanisms of energy conversion and electrical energy output affecters. The current research mainly focuses on the selection of materials, structural characteristics, the liquid droplet type, and the working environment parameters, so as to obtain different power output and meet the power supply needs of diversified scenarios. There are also studies to construct a theoretical model of S-L TENG potential distribution mechanism through COMSOL software, as well as to obtain the adsorption status of different kinds of ions with functional groups on the surface of friction power generation layer through molecular dynamics simulation. In this review, we summarize the main factors affecting the power output from four perspectives: working environment, friction power generation layer, conductive part, and substrate shape. Also summarized are the latest applications of S-L TENG in energy capture, wearable devices, and medical applications. Ultimately, this review suggests the research directions that S-L TENG should focus on in the future to enhance electrical energy output, as well as to expand the diversity of application scenarios.
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Affiliation(s)
- Zhuochao Yuan
- Energy Research Institute, Qilu University of Technology, Jinan, 250014, China
| | - Lin Guo
- Energy Research Institute, Qilu University of Technology, Jinan, 250014, China.
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11
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Wang H, Li X, Wang X, Qin Y, Pan Y, Guo X. Somatosensory Electro-Thermal Actuator through the Laser-Induced Graphene Technology. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310612. [PMID: 38087883 DOI: 10.1002/smll.202310612] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Indexed: 05/25/2024]
Abstract
The biological system realizes the unity of action and perception through the muscle tissue and nervous system. Correspondingly, artificial soft actuators realize the unity of sensing and actuating functions in a single functional material, which will have tremendous potential for developing intelligent and bionic soft robotics. This paper reports the design of a laser-induced graphene (LIG) electrothermal actuator with self-sensing capability. LIG, a functional material formed by a one-step direct-write lasing procedure under ambient air, is used as electrothermal conversion materials and piezoresistive sensing materials. By transferring LIG to a flexible silicone substrate, the design ability of the LIG-based actuator unit is enriched, along with an effectively improved sensing sensitivity. Through the integration of different types of well-designed LIG-based actuator units, the transformations from multidimensional precursors to 2D and 3D structures are realized. According to the piezoresistive effect of the LIG units during the deformation process, the visual synchronous deformation state feedback of the LIG-based actuator is proposed. The multimodal crawling soft robotics and the switchable electromagnetic shielding cloak serve as the demonstrations of the self-sensing LIG-based actuator, showing the advantage of the design in remote control of the soft robot without relying on the assistance of visual devices.
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Affiliation(s)
- Hao Wang
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Xuyang Li
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Xiaoyue Wang
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Yong Qin
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Yang Pan
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Xiaogang Guo
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, China
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12
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Li H, Tan P, Rao Y, Bhattacharya S, Wang Z, Kim S, Gangopadhyay S, Shi H, Jankovic M, Huh H, Li Z, Maharjan P, Wells J, Jeong H, Jia Y, Lu N. E-Tattoos: Toward Functional but Imperceptible Interfacing with Human Skin. Chem Rev 2024; 124:3220-3283. [PMID: 38465831 DOI: 10.1021/acs.chemrev.3c00626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
The human body continuously emits physiological and psychological information from head to toe. Wearable electronics capable of noninvasively and accurately digitizing this information without compromising user comfort or mobility have the potential to revolutionize telemedicine, mobile health, and both human-machine or human-metaverse interactions. However, state-of-the-art wearable electronics face limitations regarding wearability and functionality due to the mechanical incompatibility between conventional rigid, planar electronics and soft, curvy human skin surfaces. E-Tattoos, a unique type of wearable electronics, are defined by their ultrathin and skin-soft characteristics, which enable noninvasive and comfortable lamination on human skin surfaces without causing obstruction or even mechanical perception. This review article offers an exhaustive exploration of e-tattoos, accounting for their materials, structures, manufacturing processes, properties, functionalities, applications, and remaining challenges. We begin by summarizing the properties of human skin and their effects on signal transmission across the e-tattoo-skin interface. Following this is a discussion of the materials, structural designs, manufacturing, and skin attachment processes of e-tattoos. We classify e-tattoo functionalities into electrical, mechanical, optical, thermal, and chemical sensing, as well as wound healing and other treatments. After discussing energy harvesting and storage capabilities, we outline strategies for the system integration of wireless e-tattoos. In the end, we offer personal perspectives on the remaining challenges and future opportunities in the field.
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Affiliation(s)
- Hongbian Li
- Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Philip Tan
- Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Yifan Rao
- Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Sarnab Bhattacharya
- Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Zheliang Wang
- Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Sangjun Kim
- Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Susmita Gangopadhyay
- Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Hongyang Shi
- Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Matija Jankovic
- Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Heeyong Huh
- Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Zhengjie Li
- Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Pukar Maharjan
- Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Jonathan Wells
- Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Hyoyoung Jeong
- Department of Electrical and Computer Engineering, University of California Davis, Davis, California 95616, United States
| | - Yaoyao Jia
- Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Nanshu Lu
- Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, Texas 78712, United States
- Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
- Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
- Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
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13
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Jo SG, Ramkumar R, Lee JW. Recent Advances in Laser-Induced Graphene-Based Materials for Energy Storage and Conversion. CHEMSUSCHEM 2024; 17:e202301146. [PMID: 38057133 DOI: 10.1002/cssc.202301146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 11/10/2023] [Indexed: 12/08/2023]
Abstract
Laser-induced graphene (LIG) is a porous carbon nanomaterial that can be produced by irradiation of CO2 laser directly on the polymer substrate under ambient conditions. LIG has many merits over conventional graphene, such as simple and fast synthesis, tunable structure and composition, high surface area and porosity, excellent electrical and thermal conductivity, and good flexibility and stability. These properties make LIG a promising material for energy applications, such as supercapacitors, batteries, fuel cells, and solar cells. In this review, we highlight the recent advances of LIG in energy materials, covering the fabrication methods, performance enhancement strategies, and device integration of LIG-based electrodes and devices in the area of hydrogen evolution reaction, oxygen evolution reaction, oxygen reduction reaction, zinc-air batteries, and supercapacitors. This comprehensive review examines the potential of LIG for future sustainable and efficient energy material development, highlighting its versatility and multifunctionality in energy conversion.
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Affiliation(s)
- Seung Geun Jo
- Department of Materials Science and Engineering, Pusan National University, 2, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan, 46241, Republic of Korea
| | - Rahul Ramkumar
- Department of Materials Science and Engineering, Pusan National University, 2, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan, 46241, Republic of Korea
| | - Jung Woo Lee
- Department of Materials Science and Engineering, Pusan National University, 2, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan, 46241, Republic of Korea
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14
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Samartzis N, Athanasiou M, Sygellou L, Yannopoulos SN. Direct Graphene Deposition via a Modified Laser-Assisted Method for Interdigitated Microflexible Supercapacitors. ACS APPLIED NANO MATERIALS 2024; 7:3782-3792. [PMID: 38912400 PMCID: PMC11192044 DOI: 10.1021/acsanm.3c05387] [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: 11/10/2023] [Revised: 01/20/2024] [Accepted: 01/30/2024] [Indexed: 06/25/2024]
Abstract
The transcendence toward smarter technologies and the rapid expansion of the Internet of Things requires miniaturized energy storage systems, which may also be shape-conformable, such as microflexible supercapacitors. Their fabrication must be compatible with emerging manufacturing platforms with regard to scalability and sustainability. Here, we modify a laser-based method we recently developed for simultaneously synthesizing and transferring graphene onto a selected substrate. The modification of the method lies in the tuning of two key parameters, namely, the inclination of the laser beam and the distance between the precursor material and the acceptor substrate. A proper combination of these parameters enables the displacement of the trace of the transmitted laser beam from the deposited graphene film area. This mitigates the negative effects that arise from the laser-induced ablation of graphene on heat-sensitive substrates and significantly improves the electrical conductivity of the graphene films. The optimized graphene exhibits very high C/O (36) and sp2/sp3 (13) ratios. Post-transport irradiation was used to transform the continuous graphene films to interdigitated electrodes. The capacitance of the microflexible supercapacitor was measured to be among the highest reported ones in relation to interdigitated supercapacitors with electrodes based on laser-grown graphene. The device shows good cycling stability, retaining 91% of its capacitance after 10,000 cycles, showing no substantial degradation after applying bending conditions. This promising laser-based approach emerges as a viable alternative for the fabrication of microflexible interdigitated supercapacitors for paper electronics and smart textiles.
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Affiliation(s)
- Nikolaos Samartzis
- Foundation
for Research and Technology Hellas, Institute
of Chemical Engineering Sciences (FORTH/ICE-HT), Patras GR-26504, Greece
- Department
of Physics, University of Patras, Patras GR-26504, Greece
| | - Michail Athanasiou
- Foundation
for Research and Technology Hellas, Institute
of Chemical Engineering Sciences (FORTH/ICE-HT), Patras GR-26504, Greece
| | - Labrini Sygellou
- Foundation
for Research and Technology Hellas, Institute
of Chemical Engineering Sciences (FORTH/ICE-HT), Patras GR-26504, Greece
| | - Spyros N. Yannopoulos
- Foundation
for Research and Technology Hellas, Institute
of Chemical Engineering Sciences (FORTH/ICE-HT), Patras GR-26504, Greece
- Department
of Chemistry, University of Patras, Patras GR-26504, Greece
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15
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Park R, Lee DH, Koh CS, Kwon YW, Chae SY, Kim CS, Jung HH, Jeong J, Hong SW. Laser-Assisted Structuring of Graphene Films with Biocompatible Liquid Crystal Polymer for Skin/Brain-Interfaced Electrodes. Adv Healthc Mater 2024; 13:e2301753. [PMID: 37820714 DOI: 10.1002/adhm.202301753] [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: 06/02/2023] [Revised: 10/09/2023] [Indexed: 10/13/2023]
Abstract
The work presented here introduces a facile strategy for the development of flexible and stretchable electrodes that harness the robust characteristics of carbon nanomaterials through laser processing techniques on a liquid crystal polymer (LCP) film. By utilizing LCP film as a biocompatible electronic substrate, control is demonstrated over the laser irradiation parameters to achieve efficient pattern generation and transfer printing processes, thereby yielding highly conductive laser-induced graphene (LIG) bioelectrodes. To enhance the resolution of the patterned LIG film, shadow masks are employed during laser scanning on the LCP film surface. This approach is compatible with surface-mounted device integration, enabling the circuit writing of LIG/LCP materials in a flexible format. Moreover, kirigami-inspired on-skin bioelectrodes are introduced that exhibit reasonable stretchability, enabling independent connections to healthcare hardware platforms for electrocardiogram (ECG) and electromyography (EMG) measurements. Additionally, a brain-interfaced LIG microelectrode array is proposed that combines mechanically compliant architectures with LCP encapsulation for stimulation and recording purposes, leveraging their advantageous structural features and superior electrochemical properties. This developed approach offers a cost-effective and scalable route for producing patterned arrays of laser-converted graphene as bioelectrodes. These bioelectrodes serve as ideal circuit-enabled flexible substrates with long-term reliability in the ionic environment of the human body.
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Affiliation(s)
- Rowoon Park
- Department of Optics and Mechatronics Engineering, Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan, 46241, Republic of Korea
| | - Dong Hyeon Lee
- School of Mechanical Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Chin Su Koh
- Department of Neurosurgery, College of Medicine, Yonsei University, Seoul, 03722, Republic of Korea
| | - Young Woo Kwon
- Engineering Research Center for Color-Modulated Extra-Sensory Perception Technology, Pusan National University, Busan, 46241, Republic of Korea
| | - Seon Yeong Chae
- Engineering Research Center for Color-Modulated Extra-Sensory Perception Technology, Pusan National University, Busan, 46241, Republic of Korea
| | - Chang-Seok Kim
- Department of Optics and Mechatronics Engineering, Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan, 46241, Republic of Korea
- Engineering Research Center for Color-Modulated Extra-Sensory Perception Technology, Pusan National University, Busan, 46241, Republic of Korea
| | - Hyun Ho Jung
- Department of Neurosurgery, College of Medicine, Yonsei University, Seoul, 03722, Republic of Korea
| | - Joonsoo Jeong
- School of Biomedical Convergence Engineering, Department of Information Convergence Engineering, Pusan National University, Yangsan, 50612, Republic of Korea
| | - Suck Won Hong
- Department of Optics and Mechatronics Engineering, Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan, 46241, Republic of Korea
- Engineering Research Center for Color-Modulated Extra-Sensory Perception Technology, Pusan National University, Busan, 46241, Republic of Korea
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16
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Kamilya T, Han D, Shin J, Kwon S, Park J. An Ultrasensitive Laser-Induced Graphene Electrode-Based Triboelectric Sensor Utilizing Trapped Air as Effective Dielectric Layer. Polymers (Basel) 2023; 16:26. [PMID: 38201690 PMCID: PMC10780912 DOI: 10.3390/polym16010026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 12/07/2023] [Accepted: 12/12/2023] [Indexed: 01/12/2024] Open
Abstract
Air, a widely recognized dielectric material, is employed as a dielectric layer in this study. We present a triboelectric sensor with a laser-induced graphene (LIG) electrode and an air-trapped pad using silicone rubber (SR). A very thin device with a thickness of 1 mm and an effective gap for contact-separation between the films of silicone rubber and polyimide (PI) of 0.6 mm makes the device extremely highly sensitive for very low amplitudes of pressure. The fabrication of LIG as an electrode material on the surface of PI is the key reason for the fabrication of the thin sensor. In this study, we showed that the fabricated air-trapped padded sensor (ATPS) has the capability to generate an output voltage of ~32 V, a short-circuit current of 1.2 µA, and attain a maximum power density of 139.8 mW m-2. The performance of the ATPS was compared with a replicated device having a hole on the pad, allowing air to pass through during contact-separation. The observed degradation in the electrical output suggests that the trapped air in the pad plays a crucial role in enhancing the output voltage. Therefore, the ATPS emerges as an ultra-sensitive sensor for healthcare sensing applications.
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Affiliation(s)
- Tapas Kamilya
- Department of Mechatronics Engineering, Korea University of Technology & Education, 600, Chungjeol-ro, Byeongcheon-myeon, Dongnam-gu, Cheonan-si 31253, Republic of Korea; (T.K.); (D.H.); (J.S.)
| | - Doohyun Han
- Department of Mechatronics Engineering, Korea University of Technology & Education, 600, Chungjeol-ro, Byeongcheon-myeon, Dongnam-gu, Cheonan-si 31253, Republic of Korea; (T.K.); (D.H.); (J.S.)
| | - Jaehee Shin
- Department of Mechatronics Engineering, Korea University of Technology & Education, 600, Chungjeol-ro, Byeongcheon-myeon, Dongnam-gu, Cheonan-si 31253, Republic of Korea; (T.K.); (D.H.); (J.S.)
| | - Soongeun Kwon
- Nano-Convergence Manufacturing Systems Research Division, Korea Institute of Machinery & Materials, 156, Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, Republic of Korea
| | - Jinhyoung Park
- Department of Mechatronics Engineering, Korea University of Technology & Education, 600, Chungjeol-ro, Byeongcheon-myeon, Dongnam-gu, Cheonan-si 31253, Republic of Korea; (T.K.); (D.H.); (J.S.)
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17
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Heng W, Weihua L, Bachagha K. Review on design strategies and applications of flexible cellulose‑carbon nanotube functional composites. Carbohydr Polym 2023; 321:121306. [PMID: 37739536 DOI: 10.1016/j.carbpol.2023.121306] [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: 05/16/2023] [Revised: 07/24/2023] [Accepted: 08/14/2023] [Indexed: 09/24/2023]
Abstract
Combining the excellent biocompatibility and mechanical flexibility of cellulose with the outstanding electrical, mechanical, optical and stability properties of carbon nanotubes (CNTs), cellulose-CNT composites have been extensively studied and applied to many flexible functional materials. In this review, we present advances in structural design strategies and various applications of cellulose-CNT composites. Firstly, the structural characteristics and corresponding treatments of cellulose and CNTs are analyzed, as are the potential interactions between the two to facilitate the formation of cellulose-CNT composites. Then, the design strategies and processing techniques of cellulose-CNT composites are discussed from the perspectives of cellulose fibers at the macroscopic scale (natural cotton, hemp, and other fibers; recycled cellulose fibers); nanocellulose at the micron scale (nanofibers, nanocrystals, etc.); and macromolecular chains at the molecular scale (cellulose solutions). Further, the applications of cellulose-CNT composites in various fields, such as flexible energy harvesting and storage devices, strain and humidity sensors, electrothermal devices, magnetic shielding, and photothermal conversion, are introduced. This review will help readers understand the design strategies of cellulose-CNT composites and develop potential high-performance applications.
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Affiliation(s)
- Wei Heng
- College of Materials Science and Engineering, Qingdao University, Qingdao 266071, Shandong, PR China
| | - Li Weihua
- College of Textiles and Clothing, Qingdao University, Qingdao 266071, Shandong, PR China.
| | - Kareem Bachagha
- Department of Physics, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan
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18
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Bugti S, Kasi AK, Ullah S, Kasi JK. Self-powered TENG probe for scanning surface charge distribution. NANOTECHNOLOGY 2023; 35:065707. [PMID: 37997892 DOI: 10.1088/1361-6528/ad0983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 11/03/2023] [Indexed: 11/25/2023]
Abstract
Triboelectric nanogenerators are remarkable devices that show great potential in harvesting energy from mechanical work and are generally used for sensing purposes. Here we report a novel method for the fabrication of ZnO microspheres and the formation of TENG based on ZnO/PDMS composite. The zinc oxide microspheres with needle decorated structure via thermal oxidation of metallic zinc was grown at 500 °C. The TENG was then fabricated using ZnO/PDMS composite with Au sputtered electrode. While PDMS is a good triboelectric material, its output power density is low. Embedding ZnO micro/nanostructures in PDMS increases the output power of PDMS-based TENG manifolds. ZnO with a high dielectric constant exhibits semiconductor properties as well as piezoelectric properties. This combines with the triboelectric properties of PDMS and gives a significant boost to the TENG performance. This composite structure is used for the fabrication of high output power density TENG using contact separation mode, where the power density of 27Wm-2was achieved. Consequently, a novel device application to detect surface charge density through the fabricated TENG is reported and the subsequent reconstruction of surface charge topology based on the detected surface charge density on large surfaces is presented. This technique may be used for the study of surface charge morphology, electrostatics, triboelectric constants, and various other material properties for characterization and application purposes.
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Affiliation(s)
- Shazia Bugti
- Department of Physics, University of Balochistan, Quetta, Pakistan
| | - Ajab Khan Kasi
- Department of Physics, University of Balochistan, Quetta, Pakistan
| | - Sami Ullah
- Department of Physics, University of Balochistan, Quetta, Pakistan
- Chimie ParisTech, PSL Research University, CNRS, 11 rue P. et M. Curie, F-75005 Paris, France
| | - Jafar Khan Kasi
- Department of Physics, University of Balochistan, Quetta, Pakistan
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19
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Dallinger A, Steinwender F, Gritzner M, Greco F. Different Roles of Surface Chemistry and Roughness of Laser-Induced Graphene: Implications for Tunable Wettability. ACS APPLIED NANO MATERIALS 2023; 6:16201-16211. [PMID: 37772265 PMCID: PMC10526650 DOI: 10.1021/acsanm.3c02066] [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: 05/15/2023] [Accepted: 06/29/2023] [Indexed: 09/30/2023]
Abstract
The control of surface wettability is a technological key aspect and usually poses considerable challenges connected to high cost, nanostructure, and durability, especially when aiming at surface patterning with high and extreme wettability contrast. This work shows a simple and scalable approach by using laser-induced graphene (LIG) and a locally inert atmosphere to continuously tune the wettability of a polyimide/LIG surface from hydrophilic to superhydrophobic (Φ ∼ 160°). This is related to the reduced amount of oxygen on the LIG surface, influenced by the local atmosphere. Furthermore, the influence of the roughness pattern of LIG on the wettability is investigated. Both approaches are combined, and the influence of surface chemistry and roughness is discussed. Measurements of the roll-off angle show that LIG scribed in an inert atmosphere with a low roughness has the highest droplet mobility with a roll-off angle of ΦRO = (1.7 ± 0.3)°. The superhydrophobic properties of the samples were maintained for over a year and showed no degradation after multiple uses. Applications of surfaces with extreme wettability contrast in millifluidics and fog basking are demonstrated. Overall, the proposed processing allows for the continuous tuning and patterning of the surface properties of LIG in a very accessible fashion useful for "lab-on-chip" applications.
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Affiliation(s)
- Alexander Dallinger
- Institute
of Solid State Physics, NAWI Graz, Graz
University of Technology, 8010 Graz, Austria
| | - Felix Steinwender
- Institute
of Solid State Physics, NAWI Graz, Graz
University of Technology, 8010 Graz, Austria
| | - Matthias Gritzner
- Institute
of Solid State Physics, NAWI Graz, Graz
University of Technology, 8010 Graz, Austria
| | - Francesco Greco
- Institute
of Solid State Physics, NAWI Graz, Graz
University of Technology, 8010 Graz, Austria
- The
Biorobotics Institute, Scuola Superiore
Sant’Anna, Viale
R. Piaggio 34, 56025 Pontedera, Italy
- Department
of Excellence in Robotics & AI, Scuola
Superiore Sant’Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy
- Interdisciplinary
Center on Sustainability and Climate, Scuola
Superiore Sant’Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy
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20
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Bressi AC, Dallinger A, Steksova Y, Greco F. Bioderived Laser-Induced Graphene for Sensors and Supercapacitors. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37471123 PMCID: PMC10401514 DOI: 10.1021/acsami.3c07687] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
The maskless and chemical-free conversion and patterning of synthetic polymer precursors into laser-induced graphene (LIG) via laser-induced pyrolysis is a relatively new but growing field. Bioderived precursors from lignocellulosic materials can also be converted to LIG, opening a path to sustainable and environmentally friendly applications. This review is designed as a starting point for researchers who are not familiar with LIG and/or who wish to switch to sustainable bioderived precursors for their applications. Bioderived precursors are described, and their performances (mainly crystallinity and sheet resistance of the obtained LIG) are compared. The three main fields of application are reviewed: supercapacitors and electrochemical and physical sensors. The key advantages and disadvantages of each precursor for each application are discussed and compared to those of a benchmark of polymer-derived LIG. LIG from bioderived precursors can match, or even outperform, its synthetic analogue and represents a viable and sometimes better alternative, also considering its low cost and biodegradability.
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Affiliation(s)
- Anna Chiara Bressi
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Viale R. Piaggio 34, 56025 Pontedera, Italy
- Department of Excellence in Robotics & AI, Scuola Superiore Sant'Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy
| | - Alexander Dallinger
- Institute of Solid State Physics, NAWI Graz, Graz University of Technology, Petergasse 16, Graz 8010, Austria
| | - Yulia Steksova
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Viale R. Piaggio 34, 56025 Pontedera, Italy
- Department of Excellence in Robotics & AI, Scuola Superiore Sant'Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy
| | - Francesco Greco
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Viale R. Piaggio 34, 56025 Pontedera, Italy
- Department of Excellence in Robotics & AI, Scuola Superiore Sant'Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy
- Institute of Solid State Physics, NAWI Graz, Graz University of Technology, Petergasse 16, Graz 8010, Austria
- Interdisciplinary Center on Sustainability and Climate, Scuola Superiore Sant'Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy
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21
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Xie J, Zhao Y, Zhu D, Yan J, Li J, Qiao M, He G, Deng S. A Machine Learning-Combined Flexible Sensor for Tactile Detection and Voice Recognition. ACS APPLIED MATERIALS & INTERFACES 2023; 15:12551-12559. [PMID: 36808950 DOI: 10.1021/acsami.2c22287] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Intelligent sensors have attracted substantial attention for various applications, including wearable electronics, artificial intelligence, healthcare monitoring, and human-machine interactions. However, there still remains a critical challenge in developing a multifunctional sensing system for complex signal detection and analysis in practical applications. Here, we develop a machine learning-combined flexible sensor for real-time tactile sensing and voice recognition through laser-induced graphitization. The intelligent sensor with a triboelectric layer can convert local pressure to an electrical signal through a contact electrification effect without external bias, which has a characteristic response behavior when exposed to various mechanical stimuli. With the special patterning design, a smart human-machine interaction controlling system composed of a digital arrayed touch panel is constructed to control electronic devices. Based on machine learning, the real-time monitoring and recognition of the changes of voice are achieved with high accuracy. The machine learning-empowered flexible sensor provides a promising platform for the development of flexible tactile sensing, real-time health detection, human-machine interaction, and intelligent wearable devices.
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Affiliation(s)
- Jiawang Xie
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
| | - Yuzhi Zhao
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
| | - Dezhi Zhu
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
| | - Jianfeng Yan
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
| | - Jiaqun Li
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
| | - Ming Qiao
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
| | - Guangzhi He
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
| | - Shengfa Deng
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
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22
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Wu N, Brahmi Y, Colin A. Fluidics for energy harvesting: from nano to milli scales. LAB ON A CHIP 2023; 23:1034-1065. [PMID: 36625144 DOI: 10.1039/d2lc00946c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
A large amount of untapped energy sources surrounds us. In this review, we summarize recent works of water-based energy harvesting systems with operation scales ranging from miniature systems to large scale attempts. We focus particularly on the triboelectric energy, which is produced when a liquid and a solid come into contact, and on the osmotic energy, which is released when salt water and fresh water are mixed. For both techniques we display the state of the art understanding (including electrical charge separation, electro-osmotic currents and induced currents) and the developed devices. A critical discussion of present works confirms the significant progress of these water-based energy harvesting systems in all scales. However, further efforts in efficiency and performance amelioration are expected for these technologies to accelerate the industrialization and commercialization procedure.
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Affiliation(s)
- Nan Wu
- ESPCI Paris, PSL Research University, MIE-CBI, CNRS UMR 8231, 10, Rue Vauquelin, F-75231 Paris Cedex 05, France.
| | - Youcef Brahmi
- ESPCI Paris, PSL Research University, MIE-CBI, CNRS UMR 8231, 10, Rue Vauquelin, F-75231 Paris Cedex 05, France.
| | - Annie Colin
- ESPCI Paris, PSL Research University, MIE-CBI, CNRS UMR 8231, 10, Rue Vauquelin, F-75231 Paris Cedex 05, France.
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23
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Barman SR, Chan SW, Kao FC, Ho HY, Khan I, Pal A, Huang CC, Lin ZH. A self-powered multifunctional dressing for active infection prevention and accelerated wound healing. SCIENCE ADVANCES 2023; 9:eadc8758. [PMID: 36696504 PMCID: PMC9876552 DOI: 10.1126/sciadv.adc8758] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 12/28/2022] [Indexed: 06/17/2023]
Abstract
Interruption of the wound healing process due to pathogenic infection remains a major health care challenge. The existing methods for wound management require power sources that hinder their utilization outside of clinical settings. Here, a next generation of wearable self-powered wound dressing is developed, which can be activated by diverse stimuli from the patient's body and provide on-demand treatment for both normal and infected wounds. The highly tunable dressing is composed of thermocatalytic bismuth telluride nanoplates (Bi2Te3 NPs) functionalized onto carbon fiber fabric electrodes and triggered by the surrounding temperature difference to controllably generate hydrogen peroxide to effectively inhibit bacterial growth at the wound site. The integrated electrodes are connected to a wearable triboelectric nanogenerator (TENG) to provide electrical stimulation for accelerated wound closure by enhancing cellular proliferation, migration, and angiogenesis. The reported self-powered dressing holds great potential in facilitating personalized and user-friendly wound care with improved healing outcomes.
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Affiliation(s)
- Snigdha Roy Barman
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
- International Intercollegiate Ph.D. Program, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Shuen-Wen Chan
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Fu-Cheng Kao
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 30013, Taiwan
- Department of Orthopaedic Surgery, Spine Section, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
| | - Hsuan-Yu Ho
- Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Imran Khan
- Institute of NanoEngineering and Microsystems, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Arnab Pal
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
- International Intercollegiate Ph.D. Program, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Chih-Ching Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 202301, Taiwan
- School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Zong-Hong Lin
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
- Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
- Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013, Taiwan
- Department of Biomedical Engineering, National Taiwan University, Taipei 10617, Taiwan
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24
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Mediate neurite outgrowth of PC-12 cells using polypyrrole-assisted laser-induced graphene flexible composite electrodes combined with electrical stimulation. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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25
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Ben-Shimon Y, Sharma CP, Arnusch CJ, Ya'akobovitz A. Freestanding Laser-Induced Graphene Ultrasensitive Resonative Viral Sensors. ACS APPLIED MATERIALS & INTERFACES 2022; 14:44713-44723. [PMID: 36083630 DOI: 10.1021/acsami.2c08302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Early and reliable detection of an infectious viral disease is critical to accurately monitor outbreaks and to provide individuals and health care professionals the opportunity to treat patients at the early stages of a disease. The accuracy of such information is essential to define appropriate actions to protect the population and to reduce the likelihood of a possible pandemic. Here, we show the fabrication of freestanding laser-induced graphene (FLIG) flakes that are highly sensitive sensors for high-fidelity viral detection. As a case study, we show the detection of SARS-CoV-2 spike proteins. FLIG flakes are nonembedded porous graphene foams ca. 30 μm thick that are generated using laser irradiation of polyimide and can be fabricated in seconds at a low cost. Larger pieces of FLIG were cut forming a cantilever, used as suspended resonators, and characterized for their electromechanics behavior. Thermomechanical analysis showed FLIG stiffness comparable to other porous materials such as boron nitride foam, and electrostatic excitation showed amplification of the vibrations at frequencies in the range of several kilo-hertz. We developed a protocol for aqueous biological sensing by characterizing the wetting dynamic response of the sensor in buffer solution and in water, and devices functionalized with COVID-19 antibodies specifically detected SARS-CoV-2 spike protein binding, while not detecting other viruses such as MS2. The FLIG sensors showed a clear mass-dependent frequency response shift of ∼1 Hz/pg, and low nanomolar concentrations could be detected. Ultimately, the sensors demonstrated an outstanding limit of detection of 2.63 pg, which is equivalent to as few as ∼5000 SARS-CoV-2 viruses. Thus, the FLIG platform technology can be utilized to develop portable and highly accurate sensors, including biological applications where the fast and reliable protein or infectious particle detection is critical.
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Affiliation(s)
- Yahav Ben-Shimon
- Faculty of Engineering Sciences, Ben-Gurion University of the Negev, 8410501 Be'er Sheva, Israel
| | - Chetan Prakash Sharma
- Department of Desalination and Water Treatment, Zuckerberg Institute for Water Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben Gurion, 84990 Be'er Sheva, Israel
| | - Christopher J Arnusch
- Department of Desalination and Water Treatment, Zuckerberg Institute for Water Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben Gurion, 84990 Be'er Sheva, Israel
| | - Assaf Ya'akobovitz
- Faculty of Engineering Sciences, Ben-Gurion University of the Negev, 8410501 Be'er Sheva, Israel
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26
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Wang H, Xiang Z, Zhao P, Wan J, Miao L, Guo H, Xu C, Zhao W, Han M, Zhang H. Double-Sided Wearable Multifunctional Sensing System with Anti-interference Design for Human-Ambience Interface. ACS NANO 2022; 16:14679-14692. [PMID: 36044715 DOI: 10.1021/acsnano.2c05299] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Multifunctional sensing systems play important roles in a variety of applications, incluing health surveillance, intelligent prothetics, human-machine/ambinece interfaces, and many others. The richness of the signal and the decoupling among multiple parameters are essential for simultaneous, multimodal measurements. However, current multifunctional sensing fails to decouple interferences from various signals. Here, we propose a double-sided wearable system that both enables multifunctional sensing and avoids the interferences among multiple parameters. Specifically, the sensitivities of system modules to strain are controlled through customizing the pattern and morphology of sensing electrodes as well as the modification of active materials. Compensation of temperature drift and selection of sensing mechanisms ensure the thermal stability of the system. The encapsulation of modules resists the interferences of proximity, normal pressure, and gas molecules at the same time. A double-sided partition layout with serpentine interconnections reduces the effect of motion artifacts and ensures simultaneous operation of electrochemical-sensing modules. Cooperation among decoupled modules acts as the bridge between the perception of ambience changes and the timely feedback of the human body. In addition, to sense the signal at the interface, modules for energy harvesting and storage are also integrated into the system to broaden its application scenarios.
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Affiliation(s)
- Haobin Wang
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication; Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing 100871, China
| | - Zehua Xiang
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication; Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing 100871, China
| | - Pengcheng Zhao
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication; Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing 100871, China
| | - Ji Wan
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication; Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing 100871, China
| | - Liming Miao
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication; Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing 100871, China
| | - Hang Guo
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication; Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing 100871, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Chen Xu
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication; Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing 100871, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Wei Zhao
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, and Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, China
| | - Mengdi Han
- Department of Biomedical Engineering College of Future Technology, Peking University, Beijing 100871, China
| | - Haixia Zhang
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication; Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing 100871, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
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27
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Wang H, Zhao Z, Liu P, Pan Y, Guo X. Stretchable Sensors and Electro-Thermal Actuators with Self-Sensing Capability Using the Laser-Induced Graphene Technology. ACS APPLIED MATERIALS & INTERFACES 2022; 14:41283-41295. [PMID: 36037172 DOI: 10.1021/acsami.2c09973] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Laser-induced graphene (LIG) represents a fast-speed and low-cost method to prepare the customizable graphene-based patterns in complex configurations with exceptional electrical performance. This paper presents the applications of LIG formed on the commercial polyimide (PI) film as the stretchable strain sensor and electrical-actuated actuators. First, the conductive performances of the LIG were systematically revealed under different fabrication conditions via investigating the effects of processing parameters, and the fluence of the laser was experimentally demonstrated as the only crucial parameter to evaluate the LIG formation, facilitating the selection of optimized manufacturing parameters to prepare the LIG with desired electrical performances. Then, the LIG-based strain sensor which can undergo over 50% tensile strain was fabricated by transfer of the LIG from the PI film to polydimethylsiloxane. The variety of LIG-based electro-thermal actuators to achieve pre-designed 3D architectures was presented, along with their parameter analysis. After incorporating the multimeter system, the actuator can even feedback its transformation from 2D precursor to 3D architecture by monitoring the resistance variation of LIG, revealing the integrated capability of our design in serving as sensors and actuators. Finally, the wearable glove with the LIG sensors was presented to demonstrate its ability to remotely control the soft robotic hand.
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Affiliation(s)
- Hao Wang
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China
| | - Zifen Zhao
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China
| | - Panpan Liu
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China
| | - Yang Pan
- Xuteli School, Beijing Institute of Technology, Beijing 100081, China
| | - Xiaogang Guo
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China
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28
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Zhao W, Jiang Y, Yu W, Yu Z, Liu X. Wettability Controlled Surface for Energy Conversion. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2202906. [PMID: 35793418 DOI: 10.1002/smll.202202906] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/13/2022] [Indexed: 06/15/2023]
Abstract
To achieve clean and high-efficiency utilization of renewable energy, functional surfaces with controllable and patternable wettability are becoming a fast-growing research focus. In this work, a laser scribing strategy to fabricate patterned graphene surfaces that are capable of energy conversion in different forms is demonstrated. Using the laser raster-scanning and vector-scanning modes, two distinct surface structures are constructed on polybenzoxazine substrate, yielding a superhydrophilic (LSHL) surface and superhydrophobic (LSHB) surface, respectively. Of particular note is that the unique hierarchical structure of LSHB surface has endowed it with quite a robust superwetting behaviors. Further profiting from the flexibility of the processing method, wettability patterns with spatially resolved LSHL and LSHB regions are designed, achieving the conversion of surface energy to liquid kinetic energy. This also offers a tractable approach to fabricate wettability-engineered devices that enable the directional, pumpless transport of water by capillary pressure gradient and the selective surface cooling via jet impingement. In addition, the LSHB surface demonstrates the high conversion of electric-to-thermal energy (222 °C cm2 W-1 ) and light-to-thermal energy (88%). Overall, the material system and processing method present a promising step forward to developing easy-fabricated graphene surfaces with spatially controlled wettability for efficient energy utilization and conversion.
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Affiliation(s)
- Weiwei Zhao
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Road, Zhenhai District, Ningbo, 315201, P. R. China
| | - Ye Jiang
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Road, Zhenhai District, Ningbo, 315201, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Wenjie Yu
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Road, Zhenhai District, Ningbo, 315201, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zeqi Yu
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Road, Zhenhai District, Ningbo, 315201, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xiaoqing Liu
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Road, Zhenhai District, Ningbo, 315201, P. R. China
- Key Laboratory of Marine Materials and Related Technologies, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, P. R. China
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29
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Banerjee AN. Green syntheses of graphene and its applications in internet of things (IoT)-a status review. NANOTECHNOLOGY 2022; 33:322003. [PMID: 35395654 DOI: 10.1088/1361-6528/ac6599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 04/08/2022] [Indexed: 06/14/2023]
Abstract
Internet of Things (IoT) is a trending technological field that converts any physical object into a communicable smarter one by converging the physical world with the digital world. This innovative technology connects the device to the internet and provides a platform to collect real-time data, cloud storage, and analyze the collected data to trigger smart actions from a remote location via remote notifications, etc. Because of its wide-ranging applications, this technology can be integrated into almost all the industries. Another trending field with tremendous opportunities is Nanotechnology, which provides many benefits in several areas of life, and helps to improve many technological and industrial sectors. So, integration of IoT and Nanotechnology can bring about the very important field of Internet of Nanothings (IoNT), which can re-shape the communication industry. For that, data (collected from trillions of nanosensors, connected to billions of devices) would be the 'ultimate truth', which could be generated from highly efficient nanosensors, fabricated from various novel nanomaterials, one of which is graphene, the so-called 'wonder material' of the 21st century. Therefore, graphene-assisted IoT/IoNT platforms may revolutionize the communication technologies around the globe. In this article, a status review of the smart applications of graphene in the IoT sector is presented. Firstly, various green synthesis of graphene for sustainable development is elucidated, followed by its applications in various nanosensors, detectors, actuators, memory, and nano-communication devices. Also, the future market prospects are discussed to converge various emerging concepts like machine learning, fog/edge computing, artificial intelligence, big data, and blockchain, with the graphene-assisted IoT field to bring about the concept of 'all-round connectivity in every sphere possible'.
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30
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Arief I, Zimmermann P, Hait S, Park H, Ghosh AK, Janke A, Chattopadhyay S, Nagel J, Heinrich G, Wießner S, Das A. Elastomeric microwell-based triboelectric nanogenerators by in situ simultaneous transfer-printing. MATERIALS HORIZONS 2022; 9:1468-1478. [PMID: 35244665 DOI: 10.1039/d2mh00074a] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Self-powered tactile module-based electronic skins incorporating triboelectric nanogenerator (TENG) appears to be a worthwhile alternative for smart monitoring devices in terms of sustainable energy harvesting. On top of it, ultra-stretchability and detection sensitivity are imperative to mimic human skin. We report, for the first time, a metal-free single electrode TENG-based self-powered tactile module comprising of microwells (diameters 2 μm and 200 nm, respectively) on fluoroelastomer (FKM) and laser induced graphene (LIG) electrodes by in situ simultaneous transfer printing method. Direct imprinting of both the active surface and LIG electrode on a tribonegative FKM has not been attempted before. The resulting triboelectric module exhibits impressive maximum power density of 715 mW m-2, open circuit voltage and maximum output current of 148 V and 9.6 μA respectively for a matching load of 10 MΩ. Moreover, the TENG unit is very robust and sustained high electrical output even at 200% elongation. A dielectric-to-dielectric TENG-based tactile sensor is also constructed using FKM (negative tribolayer) and TiO2 deposited micropatterned PDMS. Resulting tribo-sensor demonstrates remarkable motion and force sensitivity. It can also distinguish subtle human contact force that can simulate skin with high sensitivity and therefore, can be utilized for potential e-skin/bionic skin applications in health and human-machine interfaces.
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Affiliation(s)
- Injamamul Arief
- Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, D-01069 Dresden, Germany.
| | - Philipp Zimmermann
- Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, D-01069 Dresden, Germany.
| | - Sakrit Hait
- Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, D-01069 Dresden, Germany.
| | - Hyeyoung Park
- Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, D-01069 Dresden, Germany.
| | - Anik Kumar Ghosh
- Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, D-01069 Dresden, Germany.
| | - Andreas Janke
- Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, D-01069 Dresden, Germany.
| | - Santanu Chattopadhyay
- Rubber Technology Centre, Indian Institute of Technology Kharagpur, 721302, West Bengal, India
| | - Jürgen Nagel
- Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, D-01069 Dresden, Germany.
| | - Gert Heinrich
- Technische Universität Dresden, Institut für Textilmaschinen und Textile Hochleistungswerkstofftechnik, Hohe Straße 6, D-01069 Dresden, Germany
| | - Sven Wießner
- Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, D-01069 Dresden, Germany.
- Technische Universität Dresden, Institut für Werkstoffwissenschaft, Helmholtzstraße 7a, D-01069 Dresden, Germany
| | - Amit Das
- Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, D-01069 Dresden, Germany.
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31
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Wu Y, Luo Y, Cuthbert TJ, Shokurov AV, Chu PK, Feng S, Menon C. Hydrogels as Soft Ionic Conductors in Flexible and Wearable Triboelectric Nanogenerators. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2106008. [PMID: 35187859 PMCID: PMC9009134 DOI: 10.1002/advs.202106008] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 02/07/2022] [Indexed: 05/12/2023]
Abstract
Flexible triboelectric nanogenerators (TENGs) have attracted increasing interest since their advent in 2012. In comparison with other flexible electrodes, hydrogels possess transparency, stretchability, biocompatibility, and tunable ionic conductivity, which together provide great potential as current collectors in TENGs for wearable applications. The development of hydrogel-based TENGs (H-TENGs) is currently a burgeoning field but research efforts have lagged behind those of other common flexible TENGs. In order to spur research and development of this important area, a comprehensive review that summarizes recent advances and challenges of H-TENGs will be very useful to researchers and engineers in this emerging field. Herein, the advantages and types of hydrogels as soft ionic conductors in TENGs are presented, followed by detailed descriptions of the advanced functions, enhanced output performance, as well as flexible and wearable applications of H-TENGs. Finally, the challenges and prospects of H-TENGs are discussed.
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Affiliation(s)
- Yinghong Wu
- Biomedical and Mobile Health Technology LabDepartment of Health Sciences and TechnologyETH ZurichZurich8008Switzerland
| | - Yang Luo
- Department of PhysicsDepartment of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongHong Kong999077China
| | - Tyler J. Cuthbert
- Biomedical and Mobile Health Technology LabDepartment of Health Sciences and TechnologyETH ZurichZurich8008Switzerland
| | - Alexander V. Shokurov
- Biomedical and Mobile Health Technology LabDepartment of Health Sciences and TechnologyETH ZurichZurich8008Switzerland
| | - Paul K. Chu
- Department of PhysicsDepartment of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongHong Kong999077China
| | - Shien‐Ping Feng
- Department of Mechanical EngineeringThe University of Hong KongHong Kong999077China
- Department of Advanced Design and Systems EngineeringCity University of Hong KongKowloonHong Kong999077China
| | - Carlo Menon
- Biomedical and Mobile Health Technology LabDepartment of Health Sciences and TechnologyETH ZurichZurich8008Switzerland
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32
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Aazem I, Mathew DT, Radhakrishnan S, Vijoy KV, John H, Mulvihill DM, Pillai SC. Electrode materials for stretchable triboelectric nanogenerator in wearable electronics. RSC Adv 2022; 12:10545-10572. [PMID: 35425002 PMCID: PMC8987949 DOI: 10.1039/d2ra01088g] [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: 02/18/2022] [Accepted: 03/25/2022] [Indexed: 01/16/2023] Open
Abstract
Stretchable Triboelectric Nanogenerators (TENGs) for wearable electronics are in significant demand in the area of self-powered energy harvesting and storage devices. Designing a suitable electrode is one of the major challenges in developing a fully wearable TENG device and requires research aimed at exploring new materials and methods to develop stretchable electrodes. This review article is dedicated to presenting recent developments in exploring new materials for flexible TENGs with special emphasis on electrode components for wearable devices. In addition, materials that can potentially deliver properties such as transparency, self-healability and water-resistance are also reviewed. Inherently stretchable materials and a combination of soft and rigid materials including polymers and their composites, inorganic and ceramic materials, 2D materials and carbonaceous nanomaterials are also addressed. Additionally, various fabrication strategies and geometrical patterning techniques employed for designing highly stretchable electrodes for wearable TENG devices are also explored. The challenges reflected in the present approaches as well as feasible suggestions for future advancements are discussed. Schematic illustration of the general requirements of components of a wearable TENG.![]()
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Affiliation(s)
- Irthasa Aazem
- Nanotechnology and Bio-Engineering Research Group, Department of Environmental Science, Atlantic Technological University, ATU Sligo Ash Lane, Sligo F91 YW50 Ireland .,Health and Biomedical (HEAL) Strategic Research Centre, Atlantic Technological University, ATU Sligo Ash Lane Sligo F91 YW50 Ireland
| | - Dhanu Treasa Mathew
- Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology Kerala 682022 India.,Inter University Centre for Nanomaterials and Devices, Cochin University of Science and Technology Kerala 682022 India
| | - Sithara Radhakrishnan
- Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology Kerala 682022 India.,Inter University Centre for Nanomaterials and Devices, Cochin University of Science and Technology Kerala 682022 India
| | - K V Vijoy
- International School of Photonics, Cochin University of Science and Technology Kerala 682022 India
| | - Honey John
- Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology Kerala 682022 India.,Inter University Centre for Nanomaterials and Devices, Cochin University of Science and Technology Kerala 682022 India
| | - Daniel M Mulvihill
- Materials and Manufacturing Research Group, James Watt School of Engineering, University of Glasgow Glasgow G12 8QQ UK
| | - Suresh C Pillai
- Nanotechnology and Bio-Engineering Research Group, Department of Environmental Science, Atlantic Technological University, ATU Sligo Ash Lane, Sligo F91 YW50 Ireland .,Health and Biomedical (HEAL) Strategic Research Centre, Atlantic Technological University, ATU Sligo Ash Lane Sligo F91 YW50 Ireland
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33
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A method for quantitatively separating the piezoelectric component from the as-received "Piezoelectric" signal. Nat Commun 2022; 13:1391. [PMID: 35296663 PMCID: PMC8927587 DOI: 10.1038/s41467-022-29087-w] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 02/15/2022] [Indexed: 11/24/2022] Open
Abstract
Polymer-based piezoelectric devices are promising for developing future wearable force sensors, nanogenerators, and implantable electronics, etc. The electric signals generated by them are often assumed as solely coming from the piezoelectric effect. However, triboelectric signals originated from contact electrification between the piezoelectric devices and the contacted objects can produce non-negligible interfacial electron transfer, which is often combined with the piezoelectric signal to give a triboelectric-piezoelectric hybrid output, leading to an exaggerated measured “piezoelectric” signal. Herein, a simple and effective method is proposed for quantitatively identifying and extracting the piezoelectric charge from the hybrid signal. The triboelectric and piezoelectric parts in the hybrid signal generated by a poly(vinylidene fluoride)-based device are clearly differentiated, and their force and charge characteristics in the time domain are identified. This work presents an effective method to elucidate the true piezoelectric performance in practical measurement, which is crucial for evaluating piezoelectric materials fairly and correctly. Difficulties in separating tribo and piezoelectric hybrid signals can lead to an overestimated contribution of the latter. Here, authors propose a method to separate these hybrid signals in the time domain, precisely extracting piezoelectric charge transfer for performance evaluation.
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34
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Zhang R, Olin H. Advances in Inorganic Nanomaterials for Triboelectric Nanogenerators. ACS NANOSCIENCE AU 2022; 2:12-31. [PMID: 35211696 PMCID: PMC8861933 DOI: 10.1021/acsnanoscienceau.1c00026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 11/28/2022]
Abstract
Triboelectric nanogenerators (TENGs) that utilize triboelectrification and electrostatic induction to convert mechanical energy to electricity have attracted increasing interest in the last 10 years. As a universal physical phenomenon, triboelectrification can occur between any two surfaces that experience physical contact and separation regardless of the type of material. For this reason, many materials, including both organic and inorganic materials, have been studied in TENGs with different purposes. Although organic polymers are mainly used as triboelectric materials in TENGs, the application of inorganic nanomaterials has also been intensively studied because of their unique dielectric, electric, piezoelectric, and optical properties, which can improve the performance of TENGs. A review of how inorganic nanomaterials are used in TENGs would help researchers gain an overview of the progress in this area. Here, we present a review to summarize how inorganic nanomaterials are utilized in TENGs based on the roles, types, and characteristics of the nanomaterials.
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Affiliation(s)
- Renyun Zhang
- Department of Natural Sciences, Mid Sweden University, SE85170 Sundsvall, Sweden
| | - Håkan Olin
- Department of Natural Sciences, Mid Sweden University, SE85170 Sundsvall, Sweden
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35
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Carvalho AF, Kulyk B, Fernandes AJS, Fortunato E, Costa FM. A Review on the Applications of Graphene in Mechanical Transduction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2101326. [PMID: 34288155 DOI: 10.1002/adma.202101326] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/26/2021] [Indexed: 05/26/2023]
Abstract
A pressing need to develop low-cost, environmentally friendly, and sensitive sensors has arisen with the advent of the always-connected paradigm of the internet-of-things (IoT). In particular, mechanical sensors have been widely studied in recent years for applications ranging from health monitoring, through mechanical biosignals, to structure integrity analysis. On the other hand, innovative ways to implement mechanical actuation have also been the focus of intense research in an attempt to close the circle of human-machine interaction, and move toward applications in flexible electronics. Due to its potential scalability, disposability, and outstanding properties, graphene has been thoroughly studied in the field of mechanical transduction. The applications of graphene in mechanical transduction are reviewed here. An overview of sensor and actuator applications is provided, covering different transduction mechanisms such as piezoresistivity, capacitive sensing, optically interrogated displacement, piezoelectricity, triboelectricity, electrostatic actuation, chemomechanical and thermomechanical actuation, as well as thermoacoustic emission. A critical review of the main approaches is presented within the scope of a wider discussion on the future of this so-called wonder material in the field of mechanical transduction.
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Affiliation(s)
- Alexandre F Carvalho
- I3N-Aveiro, Department of Physics, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Bohdan Kulyk
- I3N-Aveiro, Department of Physics, University of Aveiro, Aveiro, 3810-193, Portugal
| | | | - Elvira Fortunato
- I3N/CENIMAT, Materials Science Department, Faculty of Sciences and Technology, Universidade NOVA de Lisboa and CEMOP/UNINOVA, Caparica, 2829-516, Portugal
| | - Florinda M Costa
- I3N-Aveiro, Department of Physics, University of Aveiro, Aveiro, 3810-193, Portugal
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Hayashi S, Tsunemitsu K, Terakawa M. Laser Direct Writing of Graphene Quantum Dots inside a Transparent Polymer. NANO LETTERS 2022; 22:775-782. [PMID: 34962395 DOI: 10.1021/acs.nanolett.1c04295] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Graphene quantum dots (GQDs) have emerged as a promising new class of environmentally friendly quantum dots with unique properties. However, the limitations of synthesis and patterning methods have hindered GQDs from displaying their true potentials to date. Here, we demonstrate the simultaneous synthesis and patterning of GQDs for the first time inside a transparent polymer, polydimethylsiloxane (PDMS), using femtosecond laser pulses. By focusing and scanning femtosecond laser pulses, arbitrary fluorescent patterns such as a concealed fluorescent QR code can be readily patterned without pre- and/or post-treatment. In addition, the proposed method is applied to the fabrication of fluorescent three-dimensional structures inside a transparent polymer via multiphoton interactions. The proposed method realizes single-stepped and spatially selective patterning of GQDs directly inside polymer substrates and expands the possibilities of GQDs for applications in novel flexible three-dimensional optoelectrical devices.
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37
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Wang H, Zhao Z, Liu P, Guo X. Laser-Induced Graphene Based Flexible Electronic Devices. BIOSENSORS 2022; 12:55. [PMID: 35200316 PMCID: PMC8869335 DOI: 10.3390/bios12020055] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/17/2022] [Accepted: 01/17/2022] [Indexed: 05/05/2023]
Abstract
Since it was reported in 2014, laser-induced graphene (LIG) has received growing attention for its fast speed, non-mask, and low-cost customizable preparation, and has shown its potential in the fields of wearable electronics and biological sensors that require high flexibility and versatility. Laser-induced graphene has been successfully prepared on various substrates with contents from various carbon sources, e.g., from organic films, plants, textiles, and papers. This paper reviews the recent progress on the state-of-the-art preparations and applications of LIG including mechanical sensors, temperature and humidity sensors, electrochemical sensors, electrophysiological sensors, heaters, and actuators. The achievements of LIG based devices for detecting diverse bio-signal, serving as monitoring human motions, energy storage, and heaters are highlighted here, referring to the advantages of LIG in flexible designability, excellent electrical conductivity, and diverse choice of substrates. Finally, we provide some perspectives on the remaining challenges and opportunities of LIG.
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Affiliation(s)
| | | | | | - Xiaogang Guo
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China; (H.W.); (Z.Z.); (P.L.)
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Laser-Induced Graphene Electrodes Modified with a Molecularly Imprinted Polymer for Detection of Tetracycline in Milk and Meat. SENSORS 2021; 22:s22010269. [PMID: 35009811 PMCID: PMC8749683 DOI: 10.3390/s22010269] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/24/2021] [Accepted: 12/27/2021] [Indexed: 12/31/2022]
Abstract
Tetracycline (TC) is a widely known antibiotic used worldwide to treat animals. Its residues in animal-origin foods cause adverse health effects to consumers. Low-cost and real-time measuring systems of TC in food samples are, therefore, extremely needed. In this work, a three-electrode sensitive and label-free sensor was developed to detect TC residues from milk and meat extract samples, using CO2 laser-induced graphene (LIG) electrodes modified with gold nanoparticles (AuNPs) and a molecularly imprinted polymer (MIP) used as a synthetic biorecognition element. LIG was patterned on a polyimide (PI) substrate, reaching a minimum sheet resistance (Rsh) of 17.27 ± 1.04 Ω/sq. The o-phenylenediamine (oPD) monomer and TC template were electropolymerized on the surface of the LIG working electrode to form the MIP. Surface morphology and electrochemical techniques were used to characterize the formation of LIG and to confirm each modification step. The sensitivity of the sensor was evaluated by differential pulse voltammetry (DPV), leading to a limit of detection (LOD) of 0.32 nM, 0.85 nM, and 0.80 nM in buffer, milk, and meat extract samples, respectively, with a working range of 5 nM to 500 nM and a linear response range between 10 nM to 300 nM. The sensor showed good LOD (0.32 nM), reproducibility, and stability, and it can be used as an alternative system to detect TC from animal-origin food products.
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M M, Rajagopalan P, Xu S, Palani IA, Singh V, Wang X, Wu W. Enhancement of patterned triboelectric output performance by an interfacial polymer layer for energy harvesting application. NANOSCALE 2021; 13:20615-20624. [PMID: 34874984 DOI: 10.1039/d1nr07021e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Efficaciously scavenging waste mechanical energy from the environment is an emerging field in the self-powered and self-governing electronics systems which solves battery limitations. It demonstrates enormous potential in various fields such as wireless devices, vesture, and portable electronic devices. Different surface textured PET triboelectric nanogenerators (TENGs) were developed by the laser pattern method in the previous work, with the line textured TENG device showing improved performance due to a larger surface contact area. Here, a polyethylene oxide (PEO) and polyvinyl alcohol (PVA) coated line patterned PET-based TENG was developed for the conversion of mechanical energy into useful electric energy. The PEO layer boosted the TENG output to 4 times higher than that of the PA6-laser patterned PET TENG device (our previous report) and 2-fold higher than that of a pristine line patterned TENG. It generated an open-circuit voltage, short circuit current, and instantaneous power density of 131 V, 2.32 μA, and 41.6 μW cm-2, respectively. The as-fabricated device was tested for 10 000 cycles for reliability evaluation, which shows no significant performance degradation. In addition, the device was deployed to power 10 LEDs with high intensity. Thus, this device can be used for ambient mechanical energy conversion and to power micro and nano-electronic devices.
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Affiliation(s)
- Manikandan M
- Mechatronics and Instrumentation Lab, Discipline of Mechanical Engineering, Indian Institute of Technology Indore, India.
- School of Industrial Engineering, Purdue University, West Lafayette, USA
- Flex Laboratory, Purdue University, West Lafayette, USA
| | - P Rajagopalan
- Key Laboratory of Micro-nano Electronic Devices and Smart Systems of Zhejiang Province, College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, China
| | - Shujia Xu
- School of Industrial Engineering, Purdue University, West Lafayette, USA
- Flex Laboratory, Purdue University, West Lafayette, USA
| | - I A Palani
- Mechatronics and Instrumentation Lab, Discipline of Mechanical Engineering, Indian Institute of Technology Indore, India.
| | - Vipul Singh
- Molecular and Nanoelectronics Research Group, Discipline of Electrical Engineering, Indian Institute of Technology Indore, India
| | - Xiaozhi Wang
- Key Laboratory of Micro-nano Electronic Devices and Smart Systems of Zhejiang Province, College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, China
| | - Wenzhuo Wu
- School of Industrial Engineering, Purdue University, West Lafayette, USA
- Flex Laboratory, Purdue University, West Lafayette, USA
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Lee JU, Lee CW, Cho SC, Shin BS. Laser-Induced Graphene Heater Pad for De-Icing. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3093. [PMID: 34835856 PMCID: PMC8619929 DOI: 10.3390/nano11113093] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/02/2021] [Accepted: 11/05/2021] [Indexed: 11/25/2022]
Abstract
The replacement of electro-thermal material in heaters with lighter and easy-to-process materials has been extensively studied. In this study, we demonstrate that laser-induced graphene (LIG) patterns could be a good candidate for the electro-thermal pad. We fabricated LIG heaters with various thermal patterns on the commercial polyimide films according to laser scanning speed using an ultraviolet pulsed laser. We adopted laser direct writing (LDW) to irradiate on the substrates with computer-aided 2D CAD circuit data under ambient conditions. Our highly conductive and flexible heater was investigated by scanning electron microscopy, transmission electron microscopy, Raman spectroscopy, thermogravimetric analysis, X-ray photoelectron spectroscopy, X-ray diffraction, and Brunauer-Emmett-Teller. The influence of laser scanning speed was evaluated for electrical properties, thermal performance, and durability. Our LIG heater showed promising characteristics such as high porosity, light weight, and small thickness. Furthermore, they demonstrated a rapid response time, reaching equilibrium in less than 3 s, and achieved temperatures up to 190 °C using relatively low DC voltages of approximately 10 V. Our LIG heater can be utilized for human wearable thermal pads and ice protection for industrial applications.
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Affiliation(s)
- Jun-Uk Lee
- Department of Cogno-Mechatronics Engineering, Pusan National University, Pusan 46241, Korea; (J.-U.L.); (C.-W.L.); (S.-C.C.)
| | - Chan-Woo Lee
- Department of Cogno-Mechatronics Engineering, Pusan National University, Pusan 46241, Korea; (J.-U.L.); (C.-W.L.); (S.-C.C.)
| | - Su-Chan Cho
- Department of Cogno-Mechatronics Engineering, Pusan National University, Pusan 46241, Korea; (J.-U.L.); (C.-W.L.); (S.-C.C.)
| | - Bo-Sung Shin
- Department of Optics and Mechatronics Engineering, Pusan National University, Pusan 46241, Korea
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41
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Ji Z, Lin Q, Huang Z, Chen S, Gong P, Sun Z, Shen B. Strain-Induced Nonlinear Frictional Behavior of Graphene Nanowall Films. ACS APPLIED MATERIALS & INTERFACES 2021; 13:51608-51617. [PMID: 34677931 DOI: 10.1021/acsami.1c11717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Graphene nanowall (GNW) films, a representation of three-dimensional (3D) carbon nanomaterial films, are emerging as promising candidates for applications in electric devices and composites, on account of their 3D structures and exceptional properties of graphene sheets. However, the frictional responses of GNW films, which exhibit significant influence on their performances, have seldom been reported. Herein, we reported a growth process of a GNW film by the chemical vapor deposition method and studied the frictional behavior of the GNW film for the first time. The results demonstrated the nonlinearity between the frictional force of the GNW film and normal load. Based on the structural evolution of the GNW film with normal load and frictional tests on precompressed GNW films, the influence of the strain property of the GNW film, namely, the strengthening effect, could be confirmed. The results of molecular dynamics simulations show that the bending force of GNWs in front of the tip plays a determinate role in the frictional force of the GNW film. Furthermore, the bending force is proportional to the bending contact area, which increases nonlinearly with the normal load due to the strengthening effect of the GNW film. The result suggests that the nonlinear increase of the bending contact area induced by the strengthening effect of the GNW film is the key factor that leads to its nonlinear frictional force. This study provides a novel insight into the frictional responses of GNW films, which would be beneficial for the design and application of electric devices and composites made of GNW and other 3D carbon nanomaterial films.
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Affiliation(s)
- Zhe Ji
- School of Mechanical Engineering and State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Qiang Lin
- School of Mechanical Engineering and State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhewei Huang
- School of Mechanical Engineering and State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Sulin Chen
- School of Mechanical Engineering and State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Peng Gong
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, China
| | - Zhengzong Sun
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, China
- School of Microelectronics and State Key Laboratory of ASIC and System, Fudan University, Shanghai 200433, China
| | - Bin Shen
- School of Mechanical Engineering and State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China
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Chen Y, Xie B, Long J, Kuang Y, Chen X, Hou M, Gao J, Zhou S, Fan B, He Y, Zhang YT, Wong CP, Wang Z, Zhao N. Interfacial Laser-Induced Graphene Enabling High-Performance Liquid-Solid Triboelectric Nanogenerator. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2104290. [PMID: 34510586 DOI: 10.1002/adma.202104290] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 08/02/2021] [Indexed: 05/21/2023]
Abstract
Laser-induced graphene (LIG) has emerged as a promising and versatile method for high-throughput graphene patterning; however, its full potential in creating complex structures and devices for practical applications is yet to be explored. In this study, an in-situ growing LIG process that enables to pattern superhydrophobic fluorine-doped graphene on fluorinated ethylene propylene (FEP)-coated polyimide (PI) is demonstrated. This method leverages on distinct spectral responses of FEP and PI during laser excitation to generate the environment preferentially for LIG formation, eliminating the need for multistep processes and specific atmospheres. The structured and water-repellant structures rendered by the spectral-tuned interfacial LIG process are suitable as the electrode for the construction of a flexible droplet-based electricity generator (DEG), which exhibits high power conversion efficiency, generating a peak power density of 47.5 W m-2 from the impact of a water droplet 105 µL from a height of 25 cm. Importantly, the device exhibits superior cyclability and operational stability under high humidity and various pH conditions. The facile process developed can be extended to realize various functional devices.
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Affiliation(s)
- Yun Chen
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechnical Engineering, Guangdong University of Technology, Guangzhou, 510006, China
- Faculty of Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Bin Xie
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechnical Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Junyu Long
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechnical Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yicheng Kuang
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechnical Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Xin Chen
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechnical Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Maoxiang Hou
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechnical Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Jian Gao
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechnical Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Shuang Zhou
- Faculty of Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong
- College of New Materials and New Energies, Shenzhen Technology University, Shenzhen, 518118, China
| | - Bi Fan
- Institute of Business Analysis and Supply Chain Management, College of Management, Shenzhen University, Shenzhen, 518061, China
| | - Yunbo He
- State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School of Electromechnical Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yuan-Ting Zhang
- Department of Mechanical Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong
- Hong Kong Centre for Cerebro-cardiovascular Health Engineering, Hong Kong
| | - Ching-Ping Wong
- Faculty of Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, 30332, USA
| | - Zuankai Wang
- Department of Mechanical Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong
- Hong Kong Centre for Cerebro-cardiovascular Health Engineering, Hong Kong
| | - Ni Zhao
- Faculty of Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong
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Vivaldi F, Dallinger A, Bonini A, Poma N, Sembranti L, Biagini D, Salvo P, Greco F, Di Francesco F. Three-Dimensional (3D) Laser-Induced Graphene: Structure, Properties, and Application to Chemical Sensing. ACS APPLIED MATERIALS & INTERFACES 2021; 13:30245-30260. [PMID: 34167302 PMCID: PMC8289247 DOI: 10.1021/acsami.1c05614] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 06/11/2021] [Indexed: 05/04/2023]
Abstract
Notwithstanding its relatively recent discovery, graphene has gone through many evolution steps and inspired a multitude of applications in many fields, from electronics to life science. The recent advancements in graphene production and patterning, and the inclusion of two-dimensional (2D) graphenic materials in three-dimensional (3D) superstructures, further extended the number of potential applications. In this Review, we focus on laser-induced graphene (LIG), an intriguing 3D porous graphenic material produced by direct laser scribing of carbonaceous precursors, and on its applications in chemical sensors and biosensors. LIG can be shaped in different 3D forms with a high surface-to-volume ratio, which is a valuable characteristic for sensors that typically rely on phenomena occurring at surfaces and interfaces. Herein, an overview of LIG, including synthesis from various precursors, structure, and characteristic properties, is first provided. The discussion focuses especially on transport and surface properties, and on how these can be controlled by tuning the laser processing. Progresses and trends in LIG-based chemical sensors are then reviewed, discussing the various transduction mechanisms and different LIG functionalization procedures for chemical sensing. A comparative evaluation of sensors performance is then provided. Finally, sensors for glucose detection are reviewed in more detail, since they represent the vast majority of LIG-based chemical sensors.
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Affiliation(s)
- Federico
Maria Vivaldi
- Department
of Chemistry and Industrial Chemistry, University
of Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, Italy
- Institute
of Clinical Physiology, National Research
Council, via Giuseppe Moruzzi 1, 56124 Pisa, Italy
| | - Alexander Dallinger
- Institute
of Solid State Physics, NAWI Graz, Graz
University of Technology, Petersgasse 16, 8010 Graz, Austria
| | - Andrea Bonini
- Department
of Chemistry and Industrial Chemistry, University
of Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, Italy
| | - Noemi Poma
- Department
of Chemistry and Industrial Chemistry, University
of Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, Italy
| | - Lorenzo Sembranti
- Department
of Chemistry and Industrial Chemistry, University
of Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, Italy
| | - Denise Biagini
- Department
of Chemistry and Industrial Chemistry, University
of Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, Italy
| | - Pietro Salvo
- Institute
of Clinical Physiology, National Research
Council, via Giuseppe Moruzzi 1, 56124 Pisa, Italy
| | - Francesco Greco
- Institute
of Solid State Physics, NAWI Graz, Graz
University of Technology, Petersgasse 16, 8010 Graz, Austria
| | - Fabio Di Francesco
- Department
of Chemistry and Industrial Chemistry, University
of Pisa, via Giuseppe Moruzzi 13, 56124 Pisa, Italy
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Beckham JL, Li JT, Stanford MG, Chen W, McHugh EA, Advincula PA, Wyss KM, Chyan Y, Boldman WL, Rack PD, Tour JM. High-Resolution Laser-Induced Graphene from Photoresist. ACS NANO 2021; 15:8976-8983. [PMID: 33900723 DOI: 10.1021/acsnano.1c01843] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The fabrication of patterned graphene electronics at high resolution is an important challenge for many applications in microelectronics. Here, we demonstrate the conversion of positive photoresist (PR), commonly employed in the commercial manufacture of consumer electronics, into laser-induced graphene (LIG). Sequential lasing converts the PR photopolymer first into amorphous carbon, then to photoresist-derived LIG (PR-LIG). The resulting material possesses good conductivity and is easily doped with metal or other additives for additional functionality. Furthermore, photolithographic exposure of PR prior to lasing enables the generation of PR-LIG patterns small enough to be invisible to the naked eye. By exploiting PR as a photopatternable LIG precursor, PR-LIG can be synthesized with a spatial resolution of ∼10 μm, up to 15 times smaller than conventional LIG patterning methods. The patterning of these small PR-LIG features could offer a powerful and broadly accessible strategy for the fabrication of microscale LIG-derived nanocomposites for on-chip devices.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Walker L Boldman
- Department of Materials Sciences, The University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Philip D Rack
- Department of Materials Sciences, The University of Tennessee, Knoxville, Tennessee 37996, United States
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, Tennessee 37830, United States
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Zhao L, Liu Z, Chen D, Liu F, Yang Z, Li X, Yu H, Liu H, Zhou W. Laser Synthesis and Microfabrication of Micro/Nanostructured Materials Toward Energy Conversion and Storage. NANO-MICRO LETTERS 2021; 13:49. [PMID: 34138243 PMCID: PMC8187667 DOI: 10.1007/s40820-020-00577-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 11/19/2020] [Indexed: 05/27/2023]
Abstract
Nanomaterials are known to exhibit a number of interesting physical and chemical properties for various applications, including energy conversion and storage, nanoscale electronics, sensors and actuators, photonics devices and even for biomedical purposes. In the past decade, laser as a synthetic technique and laser as a microfabrication technique facilitated nanomaterial preparation and nanostructure construction, including the laser processing-induced carbon and non-carbon nanomaterials, hierarchical structure construction, patterning, heteroatom doping, sputtering etching, and so on. The laser-induced nanomaterials and nanostructures have extended broad applications in electronic devices, such as light-thermal conversion, batteries, supercapacitors, sensor devices, actuators and electrocatalytic electrodes. Here, the recent developments in the laser synthesis of carbon-based and non-carbon-based nanomaterials are comprehensively summarized. An extensive overview on laser-enabled electronic devices for various applications is depicted. With the rapid progress made in the research on nanomaterial preparation through laser synthesis and laser microfabrication technologies, laser synthesis and microfabrication toward energy conversion and storage will undergo fast development.
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Affiliation(s)
- Lili Zhao
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, 250022, People's Republic of China
| | - Zhen Liu
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, 250022, People's Republic of China
| | - Duo Chen
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, 250022, People's Republic of China
| | - Fan Liu
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, 250022, People's Republic of China
| | - Zhiyuan Yang
- School of Information Science and Engineering, Shandong University, 72 Binhai Road, Qingdao, 266237, People's Republic of China
| | - Xiao Li
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, 250022, People's Republic of China
| | - Haohai Yu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, People's Republic of China
| | - Hong Liu
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, 250022, People's Republic of China.
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, People's Republic of China.
| | - Weijia Zhou
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, 250022, People's Republic of China.
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Khandelwal M, Nguyen AP, Tran CV, In JB. Simple fabrication of Co 3O 4 nanoparticles on N-doped laser-induced graphene for high-performance supercapacitors. RSC Adv 2021; 11:38547-38554. [PMID: 35493261 PMCID: PMC9044152 DOI: 10.1039/d1ra08048b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 11/24/2021] [Indexed: 11/21/2022] Open
Abstract
Simultaneous decoration of Co3O4 nanoparticles and heteroatom doping on laser-induced graphene based on a duplicate pyrolysis method for supercapacitor applications.
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Affiliation(s)
- Mahima Khandelwal
- Soft Energy Systems and Laser Applications Laboratory, School of Mechanical Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Anh Phan Nguyen
- Soft Energy Systems and Laser Applications Laboratory, School of Mechanical Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
- Department of Intelligent Energy and Industry, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Chau Van Tran
- Soft Energy Systems and Laser Applications Laboratory, School of Mechanical Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Jung Bin In
- Soft Energy Systems and Laser Applications Laboratory, School of Mechanical Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
- Department of Intelligent Energy and Industry, Chung-Ang University, Seoul 06974, Republic of Korea
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47
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Xu Y, Fei Q, Page M, Zhao G, Ling Y, Chen D, Yan Z. Laser-induced graphene for bioelectronics and soft actuators. NANO RESEARCH 2021; 14:3033-3050. [PMID: 33841746 PMCID: PMC8023525 DOI: 10.1007/s12274-021-3441-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 03/06/2021] [Accepted: 03/07/2021] [Indexed: 05/18/2023]
Abstract
Laser-assisted process can enable facile, mask-free, large-area, inexpensive, customizable, and miniaturized patterning of laser-induced porous graphene (LIG) on versatile carbonaceous substrates (e.g., polymers, wood, food, textiles) in a programmed manner at ambient conditions. Together with high tailorability of its porosity, morphology, composition, and electrical conductivity, LIG can find wide applications in emerging bioelectronics (e.g., biophysical and biochemical sensing) and soft robots (e.g., soft actuators). In this review paper, we first introduce the methods to make LIG on various carbonaceous substrates and then discuss its electrical, mechanical, and antibacterial properties and biocompatibility that are critical for applications in bioelectronics and soft robots. Next, we overview the recent studies of LIG-based biophysical (e.g., strain, pressure, temperature, hydration, humidity, electrophysiological) sensors and biochemical (e.g., gases, electrolytes, metabolites, pathogens, nucleic acids, immunology) sensors. The applications of LIG in flexible energy generators and photodetectors are also introduced. In addition, LIG-enabled soft actuators that can respond to chemicals, electricity, and light stimulus are overviewed. Finally, we briefly discuss the future challenges and opportunities of LIG fabrications and applications.
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Affiliation(s)
- Yadong Xu
- Department of Biomedical, Biological & Chemical Engineering, University of Missouri, Columbia, Missouri 65211 USA
| | - Qihui Fei
- Department of Biomedical, Biological & Chemical Engineering, University of Missouri, Columbia, Missouri 65211 USA
| | - Margaret Page
- Department of Mechanical & Aerospace Engineering, University of Missouri, Columbia, Missouri 65211 USA
| | - Ganggang Zhao
- Department of Mechanical & Aerospace Engineering, University of Missouri, Columbia, Missouri 65211 USA
| | - Yun Ling
- Department of Mechanical & Aerospace Engineering, University of Missouri, Columbia, Missouri 65211 USA
| | - Dick Chen
- Rock Bridge High School, Columbia, Missouri 65203 USA
| | - Zheng Yan
- Department of Biomedical, Biological & Chemical Engineering, University of Missouri, Columbia, Missouri 65211 USA
- Department of Mechanical & Aerospace Engineering, University of Missouri, Columbia, Missouri 65211 USA
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48
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Zhang J, Feng J, Jia L, Xu R, Zhao J, Zheng Z, Zhou T. Top-Down Direct Preparation of Orange-Yellow Dye Similar to Psittacofulvins from Commercial Polymer by Laser Writing. ACS APPLIED MATERIALS & INTERFACES 2020; 12:58339-58348. [PMID: 33320523 DOI: 10.1021/acsami.0c15471] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Laser manufacturing is a promising method for the design and preparation of high value-added materials. When the laser acts on the polymer precursors, some wonderful phenomena will always occur and accompanied by the generation of new substances. Herein, we report a top-down approach for the direct preparation of orange-yellow dye that is similar to psittacofulvins from commercial polymer resins by laser writing. Conjugated double bonds and micro-rough structures are formed simultaneously on laser-irradiated polymer substrate surfaces. The typical polyconjugated structures of psittacofulvin dyes were confirmed by micro-Raman and Raman imaging results. Temperature-dependent Fourier transform infrared and X-ray photoelectron spectroscopy further demonstrated the formation mechanism of laser-induced psittacofulvins dyes based on the chemical composition. Further, optical microscopy, laser confocal microscopy, and scanning electron microscopy were carried out to characterize the physical morphologies of laser-irradiated polymer substrates. A unique advantage of preparing psittacofulvins dye using laser writing is its simple steps, and the dye can be converted directly from the appropriate precursor substrate. Interestingly, the laser-irradiated polymer substrate surface undergoes color change. This laser-induced color patterning is attractive due to the characteristics of high precision, flexibility, and maskless; any patterns can be easily designed and produced on the polymer at desired positions.
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Affiliation(s)
- Jihai Zhang
- State Key Laboratory of Polymer Materials Engineering of China, Polymer Research Institute, Sichuan University, Chengdu 610065, China
| | - Jin Feng
- State Key Laboratory of Polymer Materials Engineering of China, Polymer Research Institute, Sichuan University, Chengdu 610065, China
| | - Liyang Jia
- State Key Laboratory of Polymer Materials Engineering of China, Polymer Research Institute, Sichuan University, Chengdu 610065, China
| | - Rui Xu
- State Key Laboratory of Polymer Materials Engineering of China, Polymer Research Institute, Sichuan University, Chengdu 610065, China
| | - Jing Zhao
- College of Chemistry, Sichuan University, Chengdu 610065, China
| | - Zhuo Zheng
- State Key Laboratory of Polymer Materials Engineering of China, Polymer Research Institute, Sichuan University, Chengdu 610065, China
| | - Tao Zhou
- State Key Laboratory of Polymer Materials Engineering of China, Polymer Research Institute, Sichuan University, Chengdu 610065, China
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49
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Huang Y, Tao LQ, Yu J, Wang Z, Zhu C, Chen X. Integrated Sensing and Warning Multifunctional Devices Based on the Combined Mechanical and Thermal Effect of Porous Graphene. ACS APPLIED MATERIALS & INTERFACES 2020; 12:53049-53057. [PMID: 33170628 DOI: 10.1021/acsami.0c13909] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Wearable devices with integrated alarm functions play a vital role in daily life and can help people prevent potential hazards. Although many wearable sensors have been extensively studied and proposed to monitor various physiological signals, most of them are needed to integrate with the external alarm elements to realize warning, such as light-emitting diodes and buzzers, resulting in the system complexity and poor flexibility. In this paper, an integrated sensing and warning multifunctional device based on the mechanical and thermal effect of porous graphene is proposed on a bilayer asymmetrical pattern of laser-induced graphene (LIG). Compared with the strain sensor with nonpatterned LIG, the mechanical performance is greatly improved with the highest gauge factor value of up to 950 for the strain sensor with mesh-patterned LIG. On the contrary, the heating performance of the heater with nonpatterned LIG is better than that with mesh-patterned LIG. Combining the performance differences of different LIG patterns, the integrated wearable device with a bilayer asymmetrical LIG pattern is demonstrated. It can generate enough heating energy to warn the person when the detected signal meets the threshold condition measured in real time by the ultrasensitive strain sensor. This work will provide a new way to construct an integrated wearable device for realizing multifunctional applications. This integrated multifunctional device shows great potential toward the applications in healthcare monitoring and timely warning.
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Affiliation(s)
- Yexiong Huang
- College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China
| | - Lu-Qi Tao
- State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China
| | - Jiabing Yu
- College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China
| | - Zeping Wang
- College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China
| | - Congcong Zhu
- State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China
| | - Xianping Chen
- College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Chongqing University, Chongqing 400044, China
- State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China
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Zou Y, Libanori A, Xu J, Nashalian A, Chen J. Triboelectric Nanogenerator Enabled Smart Shoes for Wearable Electricity Generation. RESEARCH (WASHINGTON, D.C.) 2020; 2020:7158953. [PMID: 33623909 PMCID: PMC7877399 DOI: 10.34133/2020/7158953] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 08/24/2020] [Indexed: 11/18/2022]
Abstract
The parallel evolution of wearable electronics, artificial intelligence, and fifth-generation wireless technology has created a technological paradigm with the potential to change our lives profoundly. Despite this, addressing limitations linked to continuous, sustainable, and pervasive powering of wearable electronics remains a bottleneck to overcome in order to maximize the exponential benefit that these technologies can bring once synergized. A recent groundbreaking discovery has demonstrated that by using the coupling effect of contact electrification and electrostatic induction, triboelectric nanogenerators (TENGs) can efficiently convert irregular and low-frequency passive biomechanical energy from body movements into electrical energy, providing an infinite and sustainable power source for wearable electronics. A number of human motions have been exploited to properly and efficiently harness this energy potential, including human ambulation. Shoes are an indispensable component of daily wearing and can be leveraged as an excellent platform to exploit such kinetic energy. In this article, the latest representative achievements of TENG-based smart electricity-generating shoes are comprehensively reviewed. We summarize ways in which not only can biomechanical energy be scavenged via ambulatory motion, but also biomonitoring of health parameters via tracking of rhythm and strength of pace can be implemented to aid in theranostic fields. This work provides a systematical review of the rational structural design, practical applications, scenario analysis, and performance evaluation of TENG-based smart shoes for wearable electricity generation. In addition, the perspective for future development of smart electricity-generation shoes as a sustainable and pervasive energy solution towards the upcoming era of the Internet of Things is discussed.
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Affiliation(s)
- Yongjiu Zou
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Alberto Libanori
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jing Xu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Ardo Nashalian
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jun Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
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