1
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Dong Y, Tian Y, Yang Y, Gong R, Mi Q, Zou F, Yu HY. Multiple covalent modification enables nylon fiber biosensor with robust scrub-resistant and signal-capture ability for multiscenario health monitoring and security warning. Int J Biol Macromol 2024; 281:136518. [PMID: 39414212 DOI: 10.1016/j.ijbiomac.2024.136518] [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: 06/15/2024] [Revised: 09/18/2024] [Accepted: 10/07/2024] [Indexed: 10/18/2024]
Abstract
Nylon fibers have great potentials in smart textiles due to their excellent wear resistance, resilience, and chemical stability, whereas poor combination between nylon fibers and conductive materials causes discontinuous signal capture. In this work, nylon fibers/di-aldehyde cellulose nanocrystals/polypyrrole (NFACP) biosensors with robust scrub-resistant and signal-capture ability were fabricated by interfacial multiple covalent reactions. The best NFACP0.2 biosensor exhibited high conductivity (354 S/m), robust mechanical strength and stretching-releasing dynamic durability. Especially, its textile sensors still possessed high sensitivity and excellent sensing performance after repeated washing and friction. Moreover, NFACP0.2 biosensor can be designed into various multifunctional health monitoring and security warning systems for "stress reducing exercise" enthusiasts, high-altitude activities, and deep-sea exploration, demonstating great potentials of conductive nylon fiber biosensor in flexible electronics.
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Affiliation(s)
- Yanjuan Dong
- Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Key Laboratory of Silk Culture Inheriting and Products Design Digital Technology, Ministry of Culture and Tourism, Zhejiang Sci-Tech University, Xiasha Higher Education Park Avenue 2 No.928, Hangzhou 310018, China
| | - Yonghao Tian
- Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Key Laboratory of Silk Culture Inheriting and Products Design Digital Technology, Ministry of Culture and Tourism, Zhejiang Sci-Tech University, Xiasha Higher Education Park Avenue 2 No.928, Hangzhou 310018, China
| | - Yucheng Yang
- Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Key Laboratory of Silk Culture Inheriting and Products Design Digital Technology, Ministry of Culture and Tourism, Zhejiang Sci-Tech University, Xiasha Higher Education Park Avenue 2 No.928, Hangzhou 310018, China
| | - Ruixin Gong
- Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Key Laboratory of Silk Culture Inheriting and Products Design Digital Technology, Ministry of Culture and Tourism, Zhejiang Sci-Tech University, Xiasha Higher Education Park Avenue 2 No.928, Hangzhou 310018, China
| | - Qingling Mi
- Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Key Laboratory of Silk Culture Inheriting and Products Design Digital Technology, Ministry of Culture and Tourism, Zhejiang Sci-Tech University, Xiasha Higher Education Park Avenue 2 No.928, Hangzhou 310018, China
| | - Fengyuan Zou
- Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Key Laboratory of Silk Culture Inheriting and Products Design Digital Technology, Ministry of Culture and Tourism, Zhejiang Sci-Tech University, Xiasha Higher Education Park Avenue 2 No.928, Hangzhou 310018, China
| | - Hou-Yong Yu
- Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Key Laboratory of Silk Culture Inheriting and Products Design Digital Technology, Ministry of Culture and Tourism, Zhejiang Sci-Tech University, Xiasha Higher Education Park Avenue 2 No.928, Hangzhou 310018, China; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China; Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo N2L 3G1, Ontario, Canada.
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2
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Lu L, Hu G, Liu J, Yang B. 5G NB-IoT System Integrated with High-Performance Fiber Sensor Inspired by Cirrus and Spider Structures. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309894. [PMID: 38460163 PMCID: PMC11095228 DOI: 10.1002/advs.202309894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 02/17/2024] [Indexed: 03/11/2024]
Abstract
Real-time telemedicine detection can solve the problem of the shortage of public medical resources caused by the coming aging society. However, the development of such an integrated monitoring system is hampered by the need for high-performance sensors and the strict-requirement of long-distance signal transmission and reproduction. Here, a bionic crack-spring fiber sensor (CSFS) inspired by spider leg and cirrus whiskers for stretchable and weavable electronics is reported. Trans-scale conductive percolation networks of multilayer graphene around the surface of outer spring-like Polyethylene terephthalate (PET) fibers and printing Ag enable a high sensitivity of 28475.6 and broad sensing range over 250%. The electromechanical changes in different stretching stages are simulated by Comsol to explain the response mechanism. The CSFS is incorporated into the fabric and realized the human-machine interactions (HMIs) for robot control. Furthermore, the 5G Narrowband Internet of Things (NB-IoT) system is developed for human healthcare data collection, transmission, and reproduction together with the integration of the CSFS, illustrating the huge potential of the approach in human-machine communication interfaces and intelligent telemedicine rehabilitation and diagnosis monitoring.
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Affiliation(s)
- Lijun Lu
- Key Laboratory of Materials Physics of Ministry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhou450001China
- National Key Laboratory of Science and Technology on Micro/Nano FabricationShanghai Jiao Tong UniversityShanghai200240China
- Department of Micro/Nano ElectronicsSchool of Electronic Information and Electrical EngineeringShanghai Jiao Tong UniversityShanghai200240China
| | - Guosheng Hu
- National Key Laboratory of Science and Technology on Micro/Nano FabricationShanghai Jiao Tong UniversityShanghai200240China
- Department of Micro/Nano ElectronicsSchool of Electronic Information and Electrical EngineeringShanghai Jiao Tong UniversityShanghai200240China
| | - Jingquan Liu
- National Key Laboratory of Science and Technology on Micro/Nano FabricationShanghai Jiao Tong UniversityShanghai200240China
| | - Bin Yang
- National Key Laboratory of Science and Technology on Micro/Nano FabricationShanghai Jiao Tong UniversityShanghai200240China
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3
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Fu Y, Wang S, Wang D, Tian Y, Ban X, Wang X, Zhao Z, Wan Z, Wei R. Flexible Multimodal Magnetoresistive Sensors Based on Alginate/Poly(vinyl alcohol) Foam with Stimulus Discriminability for Soft Electronics Using Machine Learning. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38598680 DOI: 10.1021/acsami.4c01929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Flexible foam-based sensors have attracted substantial interest due to their high specific surface area, light weight, superior deformability, and ease of manufacture. However, it is still a challenge to integrate multimodal stimuli-responsiveness, high sensitivity, reliable stability, and good biocompatibility into a single foam sensor. To achieve this, a magnetoresistive foam sensor was fabricated by an in situ freezing-polymerization strategy based on the interpenetrating networks of sodium alginate, poly(vinyl alcohol) in conjunction with glycerol, and physical reinforcement of core-shell bidisperse magnetic particles. The assembled sensor exhibited preferable magnetic/strain-sensing capability (GF ≈ 0.41 T-1 for magnetic field, 4.305 for tension, -0.735 for bending, and -1.345 for pressing), quick response time, and reliable durability up to 6000 cycles under external stimuli. Importantly, a machine learning algorithm was developed to identify the encryption information, enabling high recognition accuracies of 99.22% and 99.34%. Moreover, they could be employed as health systems to detect human physiological motion and integrated as smart sensor arrays to perceive external pressure/magnetic field distributions. This work provides a simple and ecofriendly strategy to fabricate biocompatible foam-based multimodal sensors with potential applications in next-generation soft electronics.
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Affiliation(s)
- Yu Fu
- Henan Key Laboratory of Superhard Abrasives and Grinding Equipment, Henan University of Technology, Zhengzhou 450001, P. R. China
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Shuangkun Wang
- Henan Key Laboratory of Superhard Abrasives and Grinding Equipment, Henan University of Technology, Zhengzhou 450001, P. R. China
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China
| | - Dong Wang
- Henan Key Laboratory of Superhard Abrasives and Grinding Equipment, Henan University of Technology, Zhengzhou 450001, P. R. China
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China
| | - Ye Tian
- Henan Key Laboratory of Superhard Abrasives and Grinding Equipment, Henan University of Technology, Zhengzhou 450001, P. R. China
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China
| | - Xinxing Ban
- Henan Key Laboratory of Superhard Abrasives and Grinding Equipment, Henan University of Technology, Zhengzhou 450001, P. R. China
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China
| | - Xing Wang
- Henan Key Laboratory of Superhard Abrasives and Grinding Equipment, Henan University of Technology, Zhengzhou 450001, P. R. China
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China
| | - Zhihua Zhao
- Henan Key Laboratory of Superhard Abrasives and Grinding Equipment, Henan University of Technology, Zhengzhou 450001, P. R. China
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China
| | - Zhenshuai Wan
- Henan Key Laboratory of Superhard Abrasives and Grinding Equipment, Henan University of Technology, Zhengzhou 450001, P. R. China
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, P. R. China
| | - Ronghan Wei
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
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4
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Fu Y, Zhao S, Zhang B, Tian Y, Wang D, Ban X, Ma Y, Jiang L, Wan Z, Wei Z. Multifunctional cross-sensitive magnetic alginate-chitosan-polyethylene oxide nanofiber sensor for human-machine interaction. Int J Biol Macromol 2024; 264:130482. [PMID: 38431006 DOI: 10.1016/j.ijbiomac.2024.130482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/16/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024]
Abstract
Flexible nanofiber membranes are compelling materials for the development of functional multi-mode sensors; however, their essential features such as high cross-sensitivity, reliable stability and signal discrimination capability have rarely been realized simultaneously in one sensor. Here, a novel multi-mode sensor with a nanofiber membrane structure based on multiple interpenetrating networks of bidisperse magnetic particles, sodium alginate (SA), chitosan (CHI) in conjunction with polyethylene oxide hydrogels was prepared in a controllable electrospinning technology. Specifically, the morphology distributions of nanofibers could be regulated by the crosslinking degree of the interpenetrating networks and the spinning process parameters. The incorporation of SA and CHI endowed the sensor with desirable flexibility, ideal biocompatibility and skin-friendly property. Besides, the assembled sensors not only displayed preferable magnetic sensitivity of 0.34 T-1 and reliable stability, but also exhibited favorable cross-sensitivity, quick response time, and long-term durability for over 5000 cycles under various mechanical stimuli. Importantly, the multi-mode stimuli could be discriminated via producing opposite electrical signals. Furthermore, based on the signal distinguishability of the sensor, a wearable Morse code translation system assisted by the machine learning algorithm was demonstrated, enabling a high recognizing accuracy (>99.1 %) for input letters and numbers information. Due to the excellent multifunctional sensing characteristics, we believe that the sensor will have a high potential in wearable soft electronics and human-machine interactions.
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Affiliation(s)
- Yu Fu
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, PR China; School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, PR China.
| | - Shijie Zhao
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, PR China
| | - Boqiang Zhang
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, PR China.
| | - Ye Tian
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, PR China
| | - Dong Wang
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, PR China
| | - Xinxing Ban
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, PR China
| | - Yuelong Ma
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, PR China
| | - Lin Jiang
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, PR China
| | - Zhenshuai Wan
- School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450001, PR China
| | - Zunghang Wei
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, PR China
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5
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Bi S, Hai W, Wang L, Xu K, Chen Q, Chen C, Yu Q, Chen C, Li M, Shao H, Shao G, Jiang J, Chen N. Green One-Step Strategy of Conductive Ink for Active Health Monitoring in Rehabilitation and Early Care. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 38047560 DOI: 10.1021/acsami.3c12851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Conductive ink deposited on flexible substrates through simple methods such as dyeing or printing is one of the most promising approaches for scalable fabrication of wearable electronics. However, excessive chemical additives or a complex preparation process has limited the practical applications of conductive inks. Herein, a highly stable and antibacterial AgNPs/CNT/rGO (SACR) conductive ink with the only assistance of sustainable silk sericin (SS) is developed through a green one-step strategy. SS functions as not only the reductant of silver ions and GO by donating electrons but also the dispersant and stabilizer of CNTs through strong noncovalent interactions. The universality of SACR ink is demonstrated by depositing on various flexible substrates through handwriting, screen-printing, and dyeing techniques; meanwhile, the mechanical reliability between SACR ink and substrates is validated by peeling, bending, and twisting measurements. In addition, the synergistic effects of the multilevel hierarchical 0D/1D/2D structure and abundant interfacial interactions in SACR ink are advantageous to enhancing sensing performance. An SACR ink-based strain sensor and hydrogen peroxide (H2O2) sensor are fabricated to detect physical and biochemical indicators, demonstrating the enormous potential of SACR ink in intelligent wearables for active health monitoring in early care.
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Affiliation(s)
- Siyi Bi
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
- College of Textiles, Donghua University, Shanghai 201620, China
- Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Wenqing Hai
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
- College of Textiles, Donghua University, Shanghai 201620, China
- Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
| | | | - Ke Xu
- Department of Rehabilitation Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200030, China
| | - Qian Chen
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200030, China
| | - Chunhui Chen
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
- College of Textiles, Donghua University, Shanghai 201620, China
- Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Qinghua Yu
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
- College of Textiles, Donghua University, Shanghai 201620, China
- Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Chao Chen
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
- College of Textiles, Donghua University, Shanghai 201620, China
- Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Minghao Li
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
- College of Textiles, Donghua University, Shanghai 201620, China
- Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Huiqi Shao
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 201620, China
- Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Guangwei Shao
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
- College of Textiles, Donghua University, Shanghai 201620, China
- Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Jinhua Jiang
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
- College of Textiles, Donghua University, Shanghai 201620, China
- Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Nanliang Chen
- Shanghai Frontier Science Research Center for Modern Textiles, College of Textiles, Donghua University, Shanghai 201620, China
- College of Textiles, Donghua University, Shanghai 201620, China
- Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai 201620, China
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6
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Nazari P, Bäuerle R, Zimmermann J, Melzer C, Schwab C, Smith A, Kowalsky W, Aghassi-Hagmann J, Hernandez-Sosa G, Lemmer U. Piezoresistive Free-standing Microfiber Strain Sensor for High-resolution Battery Thickness Monitoring. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2212189. [PMID: 36872845 DOI: 10.1002/adma.202212189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/21/2023] [Indexed: 05/26/2023]
Abstract
Highly sensitive microfiber strain sensors are promising for the detection of mechanical deformations in applications where limited space is available. In particular for in situ battery thickness monitoring where high resolution and low detection limit are key requirements. Herein, the realization of a highly sensitive strain sensor for in situ lithium-ion (Li-ion) battery thickness monitoring is presented. The compliant fiber-shaped sensor is fabricated by an upscalable wet-spinning method employing a composite of microspherical core-shell conductive particles embedded in an elastomer. The electrical resistance of the sensor changes under applied strain, exhibiting a high strain sensitivity and extremely low strain detection limit of 0.00005 with high durability of 10 000 cycles. To demonstrate the accuracy and ease of applicability of this sensor, the real-time thickness change of a Li-ion battery pouch cell is monitored during the charge and discharge cycles. This work introduces a promising approach with the least material complexity for soft microfiber strain gauges.
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Affiliation(s)
- Pariya Nazari
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131, Karlsruhe, Germany
- Institute of Organic Chemistry, Heidelberg University, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
- InnovationLab, Speyerer Str. 4, 69115, Heidelberg, Germany
| | - Rainer Bäuerle
- Institute of Organic Chemistry, Heidelberg University, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
- InnovationLab, Speyerer Str. 4, 69115, Heidelberg, Germany
- Institute of High Frequency Technology, Technical University of Braunschweig, Universitätsplatz 2, 38106, Braunschweig, Germany
| | | | | | - Christopher Schwab
- Institute for Applied Materials, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Anna Smith
- Institute for Applied Materials, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Wolfgang Kowalsky
- InnovationLab, Speyerer Str. 4, 69115, Heidelberg, Germany
- Institute of High Frequency Technology, Technical University of Braunschweig, Universitätsplatz 2, 38106, Braunschweig, Germany
| | - Jasmin Aghassi-Hagmann
- Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Gerardo Hernandez-Sosa
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131, Karlsruhe, Germany
- InnovationLab, Speyerer Str. 4, 69115, Heidelberg, Germany
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Uli Lemmer
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131, Karlsruhe, Germany
- InnovationLab, Speyerer Str. 4, 69115, Heidelberg, Germany
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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7
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Feng Z, Zhao W, Jin L, Zhang J, Xue B, Ni Y. Environmentally friendly strategy to access self-healable, reprocessable and recyclable chitin, chitosan, and sodium alginate based polysaccharide-vitrimer hybrid materials. Int J Biol Macromol 2023; 240:124531. [PMID: 37085067 DOI: 10.1016/j.ijbiomac.2023.124531] [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: 02/11/2023] [Revised: 04/13/2023] [Accepted: 04/16/2023] [Indexed: 04/23/2023]
Abstract
Natural polysaccharides show enviable advantages for preparation of sustainable hybrid materials. However, in most cases, complex chemical modifications of natural polysaccharides are required, which not only causes changes of the inherent properties of polysaccharides, but also increases the manufacturing costs of the final materials. Therefore, it is highly desired to develop efficient and low-cost ways to access polysaccharides-containing hybrid materials. In this work, we report the environmentally friendly preparation of a new kind of polysaccharide-based materials, called polysaccharide-vitrimer hybrid materials, for the first time. The vitrimer synthesis and hybridization with polysaccharides can be achieved via a convenient one-pot method in absence of solvent and catalyst. In addition, time-consuming and labor-intensive physical/chemical modifications of natural polysaccharides are completely avoided. The resultant hybrid materials show good mechanical performance (tensile toughness is up to 13.7 MJ/m3), high thermal stability (Td,max is up to 457 °C), fast self-healing ability (self-healing efficiency is up to 99 % within 20s at 80 °C) and excellent reprocessability and recyclability (at least three cycles). Especially, conductive polysaccharide-vitrimer hybrid materials could be readily prepared from the resultant materials, exhibiting novel applications as flexible sensors and electromagnetic shielding materials (the EMI SE is up to 24.93 dB).
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Affiliation(s)
- Zihao Feng
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, PR China; Key Laboratory of Paper Based Functional Materials, China National Light Industry, Xi'an 710021, PR China; Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Xi'an 710021, PR China
| | - Wei Zhao
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, PR China; Key Laboratory of Paper Based Functional Materials, China National Light Industry, Xi'an 710021, PR China; Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Xi'an 710021, PR China.
| | - Liuping Jin
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, PR China; Key Laboratory of Paper Based Functional Materials, China National Light Industry, Xi'an 710021, PR China; Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Xi'an 710021, PR China
| | - Jiarong Zhang
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, PR China
| | - Bailiang Xue
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an 710021, PR China; Key Laboratory of Paper Based Functional Materials, China National Light Industry, Xi'an 710021, PR China; Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Xi'an 710021, PR China
| | - Yonghao Ni
- Department of Chemical Engineering, University of New Brunswick, Fredericton E3B 5A3, New Brunswick, Canada; Department of Chemical and biomedical Engineering, University of Maine, Orono, ME 04469, USA
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8
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Chen C, Feng J, Li J, Guo Y, Shi X, Peng H. Functional Fiber Materials to Smart Fiber Devices. Chem Rev 2023; 123:613-662. [PMID: 35977344 DOI: 10.1021/acs.chemrev.2c00192] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The development of fiber materials has accompanied the evolution of human civilization for centuries. Recent advances in materials science and chemistry offered fibers new applications with various functions, including energy harvesting, energy storing, displaying, health monitoring and treating, and computing. The unique one-dimensional shape of fiber devices endows them advantages to work as human-interfaced electronics due to the small size, lightweight, flexibility, and feasibility for integration into large-scale textile systems. In this review, we first present a discussion of the basics of fiber materials and the design principles of fiber devices, followed by a comprehensive analysis on recently developed fiber devices. Finally, we provide the current challenges facing this field and give an outlook on future research directions. With novel fiber devices and new applications continuing to be discovered after two decades of research, we envision that new fiber devices could have an important impact on our life in the near future.
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Affiliation(s)
- Chuanrui Chen
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, P. R. China
| | - Jianyou Feng
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, P. R. China
| | - Jiaxin Li
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, P. R. China
| | - Yue Guo
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, P. R. China
| | - Xiang Shi
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, P. R. China
| | - Huisheng Peng
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, P. R. China
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9
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Liang Y, Ding Q, Wang H, Wu Z, Li J, Li Z, Tao K, Gui X, Wu J. Humidity Sensing of Stretchable and Transparent Hydrogel Films for Wireless Respiration Monitoring. NANO-MICRO LETTERS 2022; 14:183. [PMID: 36094761 PMCID: PMC9468213 DOI: 10.1007/s40820-022-00934-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 08/02/2022] [Indexed: 05/31/2023]
Abstract
Respiratory monitoring plays a pivotal role in health assessment and provides an important application prospect for flexible humidity sensors. However, traditional humidity sensors suffer from a trade-off between deformability, sensitivity, and transparency, and thus the development of high-performance, stretchable, and low-cost humidity sensors is urgently needed as wearable electronics. Here, ultrasensitive, highly deformable, and transparent humidity sensors are fabricated based on cost-effective polyacrylamide-based double network hydrogels. Concomitantly, a general method for preparing hydrogel films with controllable thickness is proposed to boost the sensitivity of hydrogel-based sensors due to the extensively increased specific surface area, which can be applied to different polymer networks and facilitate the development of flexible integrated electronics. In addition, sustainable tapioca rich in hydrophilic polar groups is introduced for the first time as a second cross-linked network, exhibiting excellent water adsorption capacity. Through the synergistic optimization of structure and composition, the obtained hydrogel film exhibits an ultrahigh sensitivity of 13,462.1%/%RH, which is unprecedented. Moreover, the hydrogel film-based sensor exhibits excellent repeatability and the ability to work normally under stretching with even enhanced sensitivity. As a proof of concept, we integrate the stretchable sensor with a specially designed wireless circuit and mask to fabricate a wireless respiratory interruption detection system with Bluetooth transmission, enabling real-time monitoring of human health status. This work provides a general strategy to construct high-performance, stretchable, and miniaturized hydrogel-based sensors as next-generation wearable devices for real-time monitoring of various physiological signals.
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Affiliation(s)
- Yuning Liang
- State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Qiongling Ding
- State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Hao Wang
- State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Zixuan Wu
- State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Jianye Li
- State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Zhenyi Li
- State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Kai Tao
- Ministry of Education Key Laboratory of Micro and Nano Systems for Aerospace, Northwestern Polytechnical University, Xi'an, 710072, People's Republic of China
| | - Xuchun Gui
- State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Jin Wu
- State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and Technology, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
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10
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Wang F, Chen J, Cui X, Liu X, Chang X, Zhu Y. Wearable Ionogel-Based Fibers for Strain Sensors with Ultrawide Linear Response and Temperature Sensors Insensitive to Strain. ACS APPLIED MATERIALS & INTERFACES 2022; 14:30268-30278. [PMID: 35758312 DOI: 10.1021/acsami.2c09001] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Fiber-shaped stretchable strain and temperature sensors are highly desirable for wearable electronics due to their excellent flexibility, comfort, air permeability, and easiness to be weaved into fabric. Herein, we prepare a smart ionogel-based fiber composed of thermoplastic polyurethane (TPU) and ionic liquid (IL) by the facile and scalable wet-spinning technique, which can serve as a wearable strain sensor with good linearity (a correlation coefficient of 0.997) in an ultrawide sensing range (up to 700%), ultralow-detection limit (0.05%), fast response (173 ms) and recovery (120 ms), and high reproducibility. Attributed to these outstanding strain sensing performances, the designed TPU/IL ionogel fiber-shaped sensor is able to monitor both subtle physiological activities and large human motions. More interestingly, because of the fast response and high resolution to strain, the fiber-shaped sensor can be sewn into the fabric to secretly encrypt and wirelessly translate message according to the principle of Morse code. More importantly, a wearable strain-insensitive temperature sensor can be obtained from the ionogel fiber if it is designed into an "S" shape, which can effectively eliminate the interference of strain on temperature sense. It is found that the inaccuracy of temperature sense is within 0.15 °C when the sensor is subjected to 30% tensile strain simultaneously. Moreover, this strain-insensitive temperature sensor shows a monotonic temperature response over a wide temperature range (-15 to 100 °C) with an ultrahigh detecting accuracy of 0.1 °C and good reliability, owing to the fast and stable thermal response of IL. This temperature sensor can realize the detection of thermal radiation, proximity, and respiration, exhibiting enormous potential in smart skin, personal healthcare, and wearable electronics. This work proposes a simple but effective strategy to realize the essential strain and temperature sensing capabilities of wearable electronics and smart fabrics without mutual interference.
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Affiliation(s)
- Fei Wang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, Zhejiang, People's Republic of China
| | - Jianwen Chen
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, Zhejiang, People's Republic of China
| | - Xihua Cui
- China-Australia Institute for Advanced Materials and Manufacturing, Jiaxing University, Jiaxing City, Zhejiang 314001, China
| | - Xining Liu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, Zhejiang, People's Republic of China
| | - Xiaohua Chang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, Zhejiang, People's Republic of China
| | - Yutian Zhu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, Zhejiang, People's Republic of China
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11
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Zhang S, Li H, Yang Z, Chen B, Li K, Lai X, Zeng X. Degradable and stretchable bio-based strain sensor for human motion detection. J Colloid Interface Sci 2022; 626:554-563. [PMID: 35809444 DOI: 10.1016/j.jcis.2022.06.171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 06/19/2022] [Accepted: 06/29/2022] [Indexed: 01/17/2023]
Abstract
In recent years, flexible strain sensors have attracted considerable attention for the great application potential in the emerging fields of wearable devices, electronic skin and health monitoring. However, most of flexible strain sensors are nondegradable, and the produced numerous electronic wastes after uselessness will seriously threaten environment and ecology. Herein, we propose a new strategy to fabricate degradable and stretchable bio-based strain sensor using candle soot (CS) particles to construct conductive pathways and chitosan, potato starch (PS), and polyvinyl alcohol (PVA) to form stretchable matrix in the presence of Fe3+ ions. Owing to the formation of multiple hydrogen bonding constructed by chitosan, PS and PVA as well as coordination bonding by Fe3+ ions, the obtained strain sensor showed high elongation at break up to 200% and good fatigue resistance. Furthermore, the firm embedding of the CS particles into the surface of the stretchable matrix endowed the strain sensor with steady sensitivity (gauge factors of 1.49 at 0-60% strain and 2.71 at 60-100% strain), fast response (0.22 s) and good repeatability even after 1000 stretching-releasing cycles. In addition, the strain sensor was successfully applied to detect various human motions including finger and wrist bending, swallowing and pronunciation. Interestingly, after connecting to an Arduino microcontroller circuit with a Bluetooth module, the strain sensor was able to wirelessly detect real-time movements of index finger joints. Different from most previously reported sensors, the prepared strain sensor in this work was completely degraded in 2 wt% CH3COOH solution at 90 °C only within 10 min, thus effectively avoiding the production of electrical waste after the updating and upgrading of the sensors. The findings conceivably stand out as a new methodology to prepare environmental-friendly sensors in the field of flexible electronics, which is very beneficial for the sustainable development of environment and society.
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Affiliation(s)
- Shifeng Zhang
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, Guangzhou 510640, China
| | - Hongqiang Li
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, Guangzhou 510640, China.
| | - Zhipeng Yang
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, Guangzhou 510640, China
| | - Baodeng Chen
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, Guangzhou 510640, China
| | - Kunquan Li
- School of Materials Science and Engineering, Dongguan University of Technology, Dongguan 523808, China.
| | - Xuejun Lai
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, Guangzhou 510640, China
| | - Xingrong Zeng
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, Guangzhou 510640, China.
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12
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Zhou M, Wang Y, Chen W, Wang J. Structural Design and Performance Research of a Knitted Flexible Sensor. ACS OMEGA 2022; 7:21701-21713. [PMID: 35785317 PMCID: PMC9245112 DOI: 10.1021/acsomega.2c01710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
This paper mainly studies the structure and performance of a smart knitting sensor and selects three kinds, 1 + 1, 2 + 2, and 2 + 1, of fake rib stitches. 70D and 100D silver-plated conductive yarns with a 40D carbon black conductive yarn are knitted into different fabrics in the way of plating. Finally, the related properties of the conductive fabrics of different sizes are studied. This study found that the prepared knitted fabrics can not only meet the requirements of air permeability standards in both the plain needle area and the plated area greatly but also have good elastic recovery. When the number of the plated conductive yarn is the same, the conductivity of the fabric increases with the increase in the conductive yarn wale number, and the smaller the number of plated yarns, the greater the influence of the wale number on the change in conductivity. When the number of plated yarn wales is the same, the conductivity of the fabric decreases with the increase in the conductive yarn course number, and the smaller the wale number, the smaller the effect of the course number on the change in conductivity. When the fabric formed by a silver-plated conductive yarn is in a stretched state, the conductivity decreases. However, the electrical conductivity of the 100D silver-plated fabric is more stable than that of the 70D silver-plated fabric. The conductivity of the carbon black conductive fabric is in the order of MΩ, and the conductivity of the conductive fabric changes greatly and disperses when the conductive fabric is in a stretched state. The conductive stability of the 1 + 1 fake rib stitch samples was the best before washing. On the contrary, the conductive stability of the 2 + 2 fake rib stitch fabrics was relatively good after washing.
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13
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Guo Y, Chen C, Feng J, Wang L, Wang J, Tang C, Sun X, Peng H. An Anti-Biofouling Flexible Fiber Biofuel Cell Working in the Brain. SMALL METHODS 2022; 6:e2200142. [PMID: 35322598 DOI: 10.1002/smtd.202200142] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/09/2022] [Indexed: 06/14/2023]
Abstract
Biofuel cell (BFC) that transfers chemical energy into electricity is a promising candidate as an energy-harvesting device for implantable electronics. However, there still remain major challenges for implantable BFCs, including bulky and rigid device structure mismatching with soft tissues such as the brain, and the power output decreases due to the fouling process in a biological environment. Here, a flexible and anti-biofouling fiber BFC working in the brain chronically is developed. The fiber BFC is based on a carbon nanotube fiber electrode to possess small size and flexibility. A hydrophilic zwitterionic anti-biofouling polydopamine-2-methacryloyloxyethyl phosphorylcholine layer is designed on the surface of fiber BFC to resist the nonspecific protein adsorption in a complex biological environment. After implantation, the fiber BFC can achieve a stable device/tissue interface, along with a negligible immune response. The fiber BFC has first realized power generation in the mouse brain for over a month, exhibiting its promising prospect as an energy-harvesting device in vivo.
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Affiliation(s)
- Yue Guo
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China
| | - Chuanrui Chen
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China
| | - Jianyou Feng
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China
| | - Liyuan Wang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China
| | - Jiajia Wang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China
| | - Chengqiang Tang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China
| | - Xuemei Sun
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China
| | - Huisheng Peng
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China
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14
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Xiao J, Xiong Y, Chen J, Zhao S, Chen S, Xu B, Sheng B. Ultrasensitive and highly stretchable fibers with dual conductive microstructural sheaths for human motion and micro vibration sensing. NANOSCALE 2022; 14:1962-1970. [PMID: 35060589 DOI: 10.1039/d1nr08380e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Conductive and stretchable fibers are important components of the increasingly popular wearable electronic devices as they meet the design requirements of excellent electrical conductivity, stretchability, and wearability. In this work, we developed a novel dual conductive-sheath fiber (DCSF) with a conductive sheath composed of a porous elastic conductive layer and cracked metal networks, thus achieving ultrahigh sensitivity under a large strain range. The core of the DCSF is made of thermoplastic polyurethane (TPU) elastic fiber wrapped in a porous stretchable conductive layer composed of carbon nanotubes (CNTs) and TPU. Next, a layer of gold film is deposited on the surface of the porous stretchable conductive layer by ion beam sputtering. Due to the fast response time of 184 ms and ultrahigh sensitivity in the 0-100% strain range (a gauge factor of 184.50 for a strain of 0-10%, 4.12 × 105 for 10%-30%, and 2.80 × 105 for 30%-100%) of the DCSF strain sensor, we successfully wove the fiber strain sensor into gloves and could realize the recognition of different hand gestures. Also the DCSF strain sensor can be applied to detect microvibrations efficiently. The demonstrated DCSF has potential applications in the development of smart wearable devices and micro vibration sensors.
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Affiliation(s)
- Jieyu Xiao
- School of Optical Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
- Shanghai Key Laboratory of Modern Optical Systems, Engineering Research Center of Optical Instruments and Systems, Shanghai 200093, China
| | - Yan Xiong
- School of Optical Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
- Shanghai Key Laboratory of Modern Optical Systems, Engineering Research Center of Optical Instruments and Systems, Shanghai 200093, China
| | - Juan Chen
- School of Optical Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
- Shanghai Key Laboratory of Modern Optical Systems, Engineering Research Center of Optical Instruments and Systems, Shanghai 200093, China
| | - Shanshan Zhao
- School of Optical Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
- Shanghai Key Laboratory of Modern Optical Systems, Engineering Research Center of Optical Instruments and Systems, Shanghai 200093, China
| | - Shangbi Chen
- School of Optical Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
- Shanghai Key Laboratory of Modern Optical Systems, Engineering Research Center of Optical Instruments and Systems, Shanghai 200093, China
- Shanghai Aerospace Control Technology Institute, Shanghai, 200233, China
- Shanghai Xin Yue Lian Hui Electronic Technology Co. LTD, Shanghai, 200233, China
| | - Banglian Xu
- School of Optical Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
- Shanghai Key Laboratory of Modern Optical Systems, Engineering Research Center of Optical Instruments and Systems, Shanghai 200093, China
| | - Bin Sheng
- School of Optical Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
- Shanghai Key Laboratory of Modern Optical Systems, Engineering Research Center of Optical Instruments and Systems, Shanghai 200093, China
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Wei Y, Zhou H, Deng H, Ji W, Tian K, Ma Z, Zhang K, Fu Q. "Toolbox" for the Processing of Functional Polymer Composites. NANO-MICRO LETTERS 2021; 14:35. [PMID: 34918192 PMCID: PMC8677876 DOI: 10.1007/s40820-021-00774-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 11/17/2021] [Indexed: 05/31/2023]
Abstract
UNLABELLED The processing methods of functional polymer composites (FPCs) are systematically summarized in “Toolbox”. The relationship of processing method-structure-property is discussed and the selection and combination of tools in processing among different FPCs are analyzed. A promising prospect is provided regarding the design principle for high performance FPCs for further investigation. ABSTRACT Functional polymer composites (FPCs) have attracted increasing attention in recent decades due to their great potential in delivering a wide range of functionalities. These functionalities are largely determined by functional fillers and their network morphology in polymer matrix. In recent years, a large number of studies on morphology control and interfacial modification have been reported, where numerous preparation methods and exciting performance of FPCs have been reported. Despite the fact that these FPCs have many similarities because they are all consisting of functional inorganic fillers and polymer matrices, review on the overall progress of FPCs is still missing, and especially the overall processing strategy for these composites is urgently needed. Herein, a “Toolbox” for the processing of FPCs is proposed to summarize and analyze the overall processing strategies and corresponding morphology evolution for FPCs. From this perspective, the morphological control methods already utilized for various FPCs are systematically reviewed, so that guidelines or even predictions on the processing strategies of various FPCs as well as multi-functional polymer composites could be given. This review should be able to provide interesting insights for the field of FPCs and boost future intelligent design of various FPCs. [Image: see text] SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s40820-021-00774-5.
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Affiliation(s)
- Yun Wei
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Hongju Zhou
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Hua Deng
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China.
| | - Wenjing Ji
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Ke Tian
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Zhuyu Ma
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Kaiyi Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Qiang Fu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
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Veeramuthu L, Venkatesan M, Benas JS, Cho CJ, Lee CC, Lieu FK, Lin JH, Lee RH, Kuo CC. Recent Progress in Conducting Polymer Composite/Nanofiber-Based Strain and Pressure Sensors. Polymers (Basel) 2021; 13:4281. [PMID: 34960831 PMCID: PMC8705576 DOI: 10.3390/polym13244281] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/01/2021] [Accepted: 12/01/2021] [Indexed: 01/11/2023] Open
Abstract
The Conducting of polymers belongs to the class of polymers exhibiting excellence in electrical performances because of their intrinsic delocalized π- electrons and their tunability ranges from semi-conductive to metallic conductive regime. Conducting polymers and their composites serve greater functionality in the application of strain and pressure sensors, especially in yielding a better figure of merits, such as improved sensitivity, sensing range, durability, and mechanical robustness. The electrospinning process allows the formation of micro to nano-dimensional fibers with solution-processing attributes and offers an exciting aspect ratio by forming ultra-long fibrous structures. This review comprehensively covers the fundamentals of conducting polymers, sensor fabrication, working modes, and recent trends in achieving the sensitivity, wide-sensing range, reduced hysteresis, and durability of thin film, porous, and nanofibrous sensors. Furthermore, nanofiber and textile-based sensory device importance and its growth towards futuristic wearable electronics in a technological era was systematically reviewed to overcome the existing challenges.
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Affiliation(s)
- Loganathan Veeramuthu
- Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, Taipei 10608, Taiwan; (L.V.); (M.V.); (J.-S.B.)
| | - Manikandan Venkatesan
- Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, Taipei 10608, Taiwan; (L.V.); (M.V.); (J.-S.B.)
| | - Jean-Sebastien Benas
- Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, Taipei 10608, Taiwan; (L.V.); (M.V.); (J.-S.B.)
| | - Chia-Jung Cho
- Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, Taipei 10608, Taiwan; (L.V.); (M.V.); (J.-S.B.)
| | - Chia-Chin Lee
- Department of Physical Medicine and Rehabilitation, Cheng Hsin General Hospital, Taipei 11220, Taiwan;
| | - Fu-Kong Lieu
- Department of Physical Medicine and Rehabilitation, Cheng Hsin General Hospital, Taipei 11220, Taiwan;
- Department of Physical Medicine and Rehabilitation, National Defense Medical Center, Taipei 11490, Taiwan
| | - Ja-Hon Lin
- Institute of Electro-Optical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan;
| | - Rong-Ho Lee
- Department of Chemical Engineering, National Chung Hsing University, Taichung 40227, Taiwan;
| | - Chi-Ching Kuo
- Institute of Organic and Polymeric Materials, Research and Development Center of Smart Textile Technology, National Taipei University of Technology, Taipei 10608, Taiwan; (L.V.); (M.V.); (J.-S.B.)
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Zhao Y, Gao W, Dai K, Wang S, Yuan Z, Li J, Zhai W, Zheng G, Pan C, Liu C, Shen C. Bioinspired Multifunctional Photonic-Electronic Smart Skin for Ultrasensitive Health Monitoring, for Visual and Self-Powered Sensing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2102332. [PMID: 34554616 DOI: 10.1002/adma.202102332] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/07/2021] [Indexed: 05/02/2023]
Abstract
Smart skin is highly desired to be ultrasensitive and self-powered as the medium of artificial intelligence. Here, an ultrasensitive self-powered mechanoluminescence smart skin (SPMSS) inspired by the luminescence mechanism of cephalopod skin and the ultrasensitive response of spider-slit-organ is developed. Benefitting from the unique strain-dependent microcrack structure design based on Ti3 C2 Tx (MXene)/carbon nanotube synergistic interaction, SPMSS possesses excellent strain sensing performances including ultralow detection limit (0.001% strain), ultrahigh sensitivity (gauge factor, GF = 3.92 × 107 ), ultrafast response time (5 ms), and superior durability and stability (>45 000 cycles). Synchronously, SPMSS exhibits tunable and highly sensitive mechanoluminescence (ML) features under stretching. A relationship between ML features, strain sensing performances, and the deformation has been established successfully. Importantly, the SPMSS demonstrates excellent properties as triboelectric nanogenerator (4 × 4 cm2 ), including ultrahigh triboelectric output (open-circuit voltage VOC = 540 V, short-circuit current ISC = 42 µA, short-circuit charge QSC = 317 nC) and power density (7.42 W m-2 ), endowing the smart skin with reliable power source supply and self-powered sensing ability. This bioinspired smart skin exhibits multifunctional applications in health monitoring, visual sensing, and self-powered sensing, showing great potential in artificial intelligence.
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Affiliation(s)
- Yi Zhao
- School of Materials Science and Engineering, Key Laboratory of Materials Processing and Mold, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, P. R. China
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
| | - Wenchao Gao
- Department of Civil Engineering, Monash University, Clayton, 3800, Australia
| | - Kun Dai
- School of Materials Science and Engineering, Key Laboratory of Materials Processing and Mold, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Shuo Wang
- School of Materials Science and Engineering, Key Laboratory of Materials Processing and Mold, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Zuqing Yuan
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
| | - Jiannan Li
- School of Materials Science and Engineering, Key Laboratory of Materials Processing and Mold, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Wei Zhai
- School of Materials Science and Engineering, Key Laboratory of Materials Processing and Mold, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Guoqiang Zheng
- School of Materials Science and Engineering, Key Laboratory of Materials Processing and Mold, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Caofeng Pan
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
| | - Chuntai Liu
- School of Materials Science and Engineering, Key Laboratory of Materials Processing and Mold, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Changyu Shen
- School of Materials Science and Engineering, Key Laboratory of Materials Processing and Mold, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, P. R. China
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18
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Chen CK, Chen PW, Wang HJ, Yeh MY. Alkyl Chain Length Effects of Imidazolium Ionic Liquids on Electrical and Mechanical Performances of Polyacrylamide/Alginate-Based Hydrogels. Gels 2021; 7:164. [PMID: 34698178 PMCID: PMC8544473 DOI: 10.3390/gels7040164] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/23/2021] [Accepted: 10/01/2021] [Indexed: 12/11/2022] Open
Abstract
Conductive hydrogels with stretchable, flexible and wearable properties have made significant contributions in the area of modern electronics. The polyacrylamide/alginate hydrogels are one of the potential emerging materials for application in a diverse range of fields because of their high stretch and toughness. However, most researchers focus on the investigation of their mechanical and swelling behaviors, and the adhesion and effects of the ionic liquids on the conductivities of polyacrylamide/alginate hydrogels are much less explored. Herein, methacrylated lysine and different alkyl chain substituted imidazole-based monomers (IMCx, x = 2, 4, 6 and 8) were introduced to prepare a series of novel pAMAL-IMCx-Ca hydrogels. We systematically investigated their macroscopic and microscopic properties through tensile tests, electrochemical impedance spectra and scanning electron microscopy, as well as Fourier transform infrared spectroscopy, and demonstrated that an alkyl chain length of the IMCx plays an important role in the designing of hydrogel strain sensors. The experiment result shows that the hexyl chains of IMC6 can effectively entangle with LysMA through hydrophobic and electrostatic interactions, which significantly enhance the mechanical strength of the hydrogels. Furthermore, the different strain rates and the durability of the pAMAL-IMC6-Ca hydrogel were investigated and the relative resistance responses remain almost the same in both conditions, making it a potential candidate for wearable strain sensors.
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Affiliation(s)
- Chen-Kang Chen
- Department of Chemistry, Chung Yuan Christian University, No. 200, Zhongbei Rd., Zhongli Dist., Taoyuan City 320314, Taiwan; (C.-K.C.); (P.-W.C.); (H.-J.W.)
| | - Po-Wen Chen
- Department of Chemistry, Chung Yuan Christian University, No. 200, Zhongbei Rd., Zhongli Dist., Taoyuan City 320314, Taiwan; (C.-K.C.); (P.-W.C.); (H.-J.W.)
| | - Huan-Jung Wang
- Department of Chemistry, Chung Yuan Christian University, No. 200, Zhongbei Rd., Zhongli Dist., Taoyuan City 320314, Taiwan; (C.-K.C.); (P.-W.C.); (H.-J.W.)
| | - Mei-Yu Yeh
- Department of Chemistry, Chung Yuan Christian University, No. 200, Zhongbei Rd., Zhongli Dist., Taoyuan City 320314, Taiwan; (C.-K.C.); (P.-W.C.); (H.-J.W.)
- Center for Nano Technology, Chung Yuan Christian University, No. 200, Zhongbei Rd., Zhongli Dist., Taoyuan City 320314, Taiwan
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19
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Fakharuddin A, Li H, Di Giacomo F, Zhang T, Gasparini N, Elezzabi AY, Mohanty A, Ramadoss A, Ling J, Soultati A, Tountas M, Schmidt‐Mende L, Argitis P, Jose R, Nazeeruddin MK, Mohd Yusoff ARB, Vasilopoulou M. Fiber‐Shaped Electronic Devices. ADVANCED ENERGY MATERIALS 2021; 11. [DOI: 10.1002/aenm.202101443] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Indexed: 09/02/2023]
Abstract
AbstractTextile electronics embedded in clothing represent an exciting new frontier for modern healthcare and communication systems. Fundamental to the development of these textile electronics is the development of the fibers forming the cloths into electronic devices. An electronic fiber must undergo diverse scrutiny for its selection for a multifunctional textile, viz., from the material selection to the device architecture, from the wearability to mechanical stresses, and from the environmental compatibility to the end‐use management. Herein, the performance requirements of fiber‐shaped electronics are reviewed considering the characteristics of single electronic fibers and their assemblies in smart clothing. Broadly, this article includes i) processing strategies of electronic fibers with required properties from precursor to material, ii) the state‐of‐art of current fiber‐shaped electronics emphasizing light‐emitting devices, solar cells, sensors, nanogenerators, supercapacitors storage, and chromatic devices, iii) mechanisms involved in the operation of the above devices, iv) limitations of the current materials and device manufacturing techniques to achieve the target performance, and v) the knowledge gap that must be minimized prior to their deployment. Lessons learned from this review with regard to the challenges and prospects for developing fiber‐shaped electronic components are presented as directions for future research on wearable electronics.
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Affiliation(s)
| | - Haizeng Li
- Institute of Frontier and Interdisciplinarity Science Shandong University Qingdao 266237 China
| | - Francesco Di Giacomo
- Centre for Hybrid and Organic Solar Energy (CHOSE) Department of Electronic Engineering University of Rome Tor Vergata Rome 00133 Italy
| | - Tianyi Zhang
- Department of Chemistry and Centre for Processable Electronics Imperial College London London W120BZ UK
| | - Nicola Gasparini
- Department of Chemistry and Centre for Processable Electronics Imperial College London London W120BZ UK
| | - Abdulhakem Y. Elezzabi
- Ultrafast Optics and Nanophotonics Laboratory Department of Electrical and Computer Engineering University of Alberta Edmonton Alberta T6G 2V4 Canada
| | - Ankita Mohanty
- School for Advanced Research in Petrochemicals Laboratory for Advanced Research in Polymeric Materials Central Institute of Petrochemicals Engineering and Technology Bhubaneswar Odisha 751024 India
| | - Ananthakumar Ramadoss
- School for Advanced Research in Petrochemicals Laboratory for Advanced Research in Polymeric Materials Central Institute of Petrochemicals Engineering and Technology Bhubaneswar Odisha 751024 India
| | - JinKiong Ling
- Nanostructured Renewable Energy Material Laboratory Faculty of Industrial Sciences and Technology Universiti Malaysia Pahang Pahang Darul Makmur Kuantan 26300 Malaysia
| | - Anastasia Soultati
- Institute of Nanoscience and Nanotechnology National Center for Scientific Research Demokritos Agia Paraskevi Attica 15341 Greece
| | - Marinos Tountas
- Department of Electrical and Computer Engineering Hellenic Mediterranean University Estavromenos Heraklion Crete GR‐71410 Greece
| | | | - Panagiotis Argitis
- Institute of Nanoscience and Nanotechnology National Center for Scientific Research Demokritos Agia Paraskevi Attica 15341 Greece
| | - Rajan Jose
- Nanostructured Renewable Energy Material Laboratory Faculty of Industrial Sciences and Technology Universiti Malaysia Pahang Pahang Darul Makmur Kuantan 26300 Malaysia
| | - Mohammad Khaja Nazeeruddin
- Group for Molecular Engineering of Functional Materials Institute of Chemical Sciences and Engineering École Polytechnique Fédérale de Lausanne (EPFL) Rue de l'Industrie 17 Sion CH‐1951 Switzerland
| | - Abd Rashid Bin Mohd Yusoff
- Department of Chemical Engineering Pohang University of Science and Technology (POSTECH) Pohang Gyeongbuk 37673 Republic of Korea
| | - Maria Vasilopoulou
- Institute of Nanoscience and Nanotechnology National Center for Scientific Research Demokritos Agia Paraskevi Attica 15341 Greece
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20
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Kim H, Shaqeel A, Han S, Kang J, Yun J, Lee M, Lee S, Kim J, Noh S, Choi M, Lee J. In Situ Formation of Ag Nanoparticles for Fiber Strain Sensors: Toward Textile-Based Wearable Applications. ACS APPLIED MATERIALS & INTERFACES 2021; 13:39868-39879. [PMID: 34383459 DOI: 10.1021/acsami.1c09879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Wearable electronic devices have attracted significant attention as important components in several applications. Among various wearable electronic devices, interest in textile electronic devices is increasing because of their high deformability and portability in daily life. To develop textile electronic devices, fiber-based electronic devices should be fundamentally studied. Here, we report a stretchable and sensitive fiber strain sensor fabricated using only harmless materials during an in situ formation process. Despite using a mild and harmless reducing agent instead of typical strong and hazardous reducing agents, the developed fiber strain sensors feature a low initial electrical resistance of 0.9 Ω/cm, a wide strain sensing range (220%), high sensitivity (∼5.8 × 104), negligible hysteresis, and high stability against repeated stretching-releasing deformation (5000 cycles). By applying the fiber sensors to various textiles, we demonstrate that the smart textile system can monitor various gestures in real-time and help users maintain accurate posture during exercise. These results will provide meaningful insights into the development of next-generation wearable applications.
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Affiliation(s)
- Hwajoong Kim
- Soft Biomedical Devices Lab, Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu-si 42988, Republic of Korea
| | - Ammar Shaqeel
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zurich 8092, Switzerland
| | - Solbi Han
- Soft Biomedical Devices Lab, Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu-si 42988, Republic of Korea
| | - Junseo Kang
- Soft Biomedical Devices Lab, Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu-si 42988, Republic of Korea
| | - Jieun Yun
- Soft Biomedical Devices Lab, Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu-si 42988, Republic of Korea
| | - Mugeun Lee
- Soft Biomedical Devices Lab, Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu-si 42988, Republic of Korea
| | - Seonggyu Lee
- Soft Biomedical Devices Lab, Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu-si 42988, Republic of Korea
| | - Jinho Kim
- Soft Biomedical Devices Lab, Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu-si 42988, Republic of Korea
| | - Seungbeom Noh
- Soft Biomedical Devices Lab, Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu-si 42988, Republic of Korea
| | - Minyoung Choi
- Soft Biomedical Devices Lab, Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu-si 42988, Republic of Korea
| | - Jaehong Lee
- Soft Biomedical Devices Lab, Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu-si 42988, Republic of Korea
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21
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Intelligent Polymers, Fibers and Applications. Polymers (Basel) 2021; 13:polym13091427. [PMID: 33925249 PMCID: PMC8125737 DOI: 10.3390/polym13091427] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/22/2021] [Accepted: 04/25/2021] [Indexed: 12/21/2022] Open
Abstract
Intelligent materials, also known as smart materials, are capable of reacting to various external stimuli or environmental changes by rearranging their structure at a molecular level and adapting functionality accordingly. The initial concept of the intelligence of a material originated from the natural biological system, following the sensing–reacting–learning mechanism. The dynamic and adaptive nature, along with the immediate responsiveness, of the polymer- and fiber-based smart materials have increased their global demand in both academia and industry. In this manuscript, the most recent progress in smart materials with various features is reviewed with a focus on their applications in diverse fields. Moreover, their performance and working mechanisms, based on different physical, chemical and biological stimuli, such as temperature, electric and magnetic field, deformation, pH and enzymes, are summarized. Finally, the study is concluded by highlighting the existing challenges and future opportunities in the field of intelligent materials.
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22
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Lu L, Jiang C, Hu G, Liu J, Yang B. Flexible Noncontact Sensing for Human-Machine Interaction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2100218. [PMID: 33683745 DOI: 10.1002/adma.202100218] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Indexed: 05/27/2023]
Abstract
From typical electrical appliances to thriving intelligent robots, the exchange of information between humans and machines has mainly relied on the contact sensor medium. However, this kind of contact interaction can cause severe problems, such as inevitable mechanical wear and cross-infection of bacteria or viruses between the users, especially during the COVID-19 pandemic. Therefore, revolutionary noncontact human-machine interaction (HMI) is highly desired in remote online detection and noncontact control systems. In this study, a flexible high-sensitivity humidity sensor and array are presented, fabricated by anchoring multilayer graphene (MG) into electrospun polyamide (PA) 66. The sensor works in noncontact mode for asthma detection, via monitoring the respiration rate in real time, and remote alarm systems and provides touchless interfaces in medicine delivery for bedridden patients. The physical structure of the large specific surface area and the chemical structure of the abundant water-absorbing functional groups of the PA66 nanofiber networks contribute to the high performance synergistically. This work can lead to a new era of noncontact HMI without the risk of contagiousness and provide a general and effective strategy for the development of smart electronics that require noncontact interaction.
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Affiliation(s)
- Lijun Lu
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Micro/Nano Electronics, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Chunpeng Jiang
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Micro/Nano Electronics, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Guosheng Hu
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Micro/Nano Electronics, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Jingquan Liu
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Micro/Nano Electronics, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Bin Yang
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Micro/Nano Electronics, Shanghai Jiao Tong University, Shanghai, 200240, China
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23
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Wang L, Zhang M, Yang B, Ding X, Tan J, Song S, Nie J. Flexible, Robust, and Durable Aramid Fiber/CNT Composite Paper as a Multifunctional Sensor for Wearable Applications. ACS APPLIED MATERIALS & INTERFACES 2021; 13:5486-5497. [PMID: 33491443 DOI: 10.1021/acsami.0c18161] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Flexible paper-based sensors may be applied in numerous fields, but this requires addressing their limitations related to poor thermal and water resistance, which results in low service life. Herein, we report a paper-based composite sensor composed of carboxylic carbon nanotubes (CCNTs) and poly-m-phenyleneisophthalamide (PMIA), fabricated by a facile papermaking process. The CCNT/PMIA composite sensor exhibits an ability to detect pressures generated by various human movements, attributed to the sensor's conductive network and the characteristic "mud-brick" microstructure. The sensor exhibits the capability to monitor human motions, such as bending of finger joints and elbow joints, speaking, blinking, and smiling, as well as temperature variations in the range of 30-90 °C. Such a capability to sensitively detect pressure can be realized at different applied frequencies, gradient sagittas, and multiple twists with a short response time (104 ms) even after being soaked in water, acid, and alkali solutions. Moreover, the sensor demonstrates excellent mechanical properties and hence can be folded up to 6000 times without failure, can bear 5 kg of load without breaking, and can be cycled 2000 times without energy loss, providing a great possibility for a long sensing life. Additionally, the composite sensor shows exceptional Joule heating performance, which can reach 242 °C in less than 15 s even when powered by a low input voltage (25 V). From the perspective of industrialization, low-cost and large-scale roll-to-roll production of the paper-based sensor can be achieved, with a formed length of thousands of meters, showing great potential for future industrial applications as a wearable smart sensor for detecting pressure and temperature, with the capability of electric heating.
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Affiliation(s)
- Lin Wang
- College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, No. 6, Xuefu Road, Xi'an 710021, China
| | - Meiyun Zhang
- College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, No. 6, Xuefu Road, Xi'an 710021, China
| | - Bin Yang
- College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, No. 6, Xuefu Road, Xi'an 710021, China
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China
| | - Xueyao Ding
- College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, No. 6, Xuefu Road, Xi'an 710021, China
| | - Jiaojun Tan
- College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, No. 6, Xuefu Road, Xi'an 710021, China
| | - Shunxi Song
- College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, No. 6, Xuefu Road, Xi'an 710021, China
| | - Jingyi Nie
- College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, No. 6, Xuefu Road, Xi'an 710021, China
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24
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Bi S, Hou L, Dong W, Lu Y. Multifunctional and Ultrasensitive-Reduced Graphene Oxide and Pen Ink/Polyvinyl Alcohol-Decorated Modal/Spandex Fabric for High-Performance Wearable Sensors. ACS APPLIED MATERIALS & INTERFACES 2021; 13:2100-2109. [PMID: 33347284 DOI: 10.1021/acsami.0c21075] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Sensitive and flexible sensors capable of monitoring physiological signals of human body for healthcare have been developed in recent years. It is still a challenge to fabricate a wearable sensor-integrated multifunctional performances and a good fit to human body. Here, an rGO and pen ink/PVA-layered strain-humidity sensor based on MS fabric is prepared through a cost-effective and scalable solution process. The conductive fabric as a strain sensor has a workable strain range (∼300%), ultrahigh sensitivity (maximum gauge factor of 492.8), great comfort, and long-term stability. Notably, a step increase in relative resistance variation will be achieved by controlling the coverage of an ink layer. Moreover, the reliable linear humidity-dependent resistance void of hysteresis and excellent repeatability renders conductive fabrics an opportunity as humidity sensors. Based on these superior multifunctions, the resultant conductive fabric can be applied to detect both human motions and skin humidity, showing potential in applications of wearable electronics for professional athletes.
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Affiliation(s)
- Siyi Bi
- Department of Materials Science, Fudan University, Shanghai 200433, China
- Andrew and Peggy Cherng Department of Medical Engineering, California Institute of Technology, Pasadena, California 91125, United States
- Yiwu Institute of Fudan University, Jinhua, Zhejiang 322002, China
| | - Lei Hou
- Department of Materials Science, Fudan University, Shanghai 200433, China
- Yiwu Institute of Fudan University, Jinhua, Zhejiang 322002, China
| | - Wangwei Dong
- Department of Materials Science, Fudan University, Shanghai 200433, China
- Yiwu Institute of Fudan University, Jinhua, Zhejiang 322002, China
| | - Yinxiang Lu
- Department of Materials Science, Fudan University, Shanghai 200433, China
- Yiwu Institute of Fudan University, Jinhua, Zhejiang 322002, China
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25
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Liang Q, Zhang D, Ji P, Sheng N, Zhang M, Wu Z, Chen S, Wang H. High-Strength Superstretchable Helical Bacterial Cellulose Fibers with a "Self-Fiber-Reinforced Structure". ACS APPLIED MATERIALS & INTERFACES 2021; 13:1545-1554. [PMID: 33377390 DOI: 10.1021/acsami.0c19149] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
As a hydrogel membrane grown on the gas-liquid interface by bacterial culture that can be industrialized, bacterial cellulose (BC) cannot give full play to the advantages of its natural nanofibers. Conversion to the properties of nanofibers from high-performance to macrofibers represents a difficult material engineering challenge. Herein, we construct high-strength BC macrofibers with a "self-fiber-reinforced structure" using a dry-wet spinning method by adjusting the BC dissolution and concentration. The macrofiber with a tensile strength of 649 MPa and a strain of 17.2% can be obtained, which is one of the strongest and toughest cellulose fibers. In addition, the macrofiber can be fabricated to a superstretchable helical fiber without adding other elastomers or auxiliary materials. When the helical diameter is 1.6 mm, the ultimate stretch reaches 1240%. Meanwhile, cyclic tests show that the mechanical properties and morphology of the fiber remained stable after 100 times of 100% cyclic stretching. It is exciting that the helical fiber also owns outstanding knittability, washability, scalability, and dyeability. Furthermore, superstretchable functional helical BC fibers can be fabricated by embedding functional materials (carbon materials, conductive polymers, etc.) on BC or in the spinning dope, which can be made to wearable devices such as fiber solid-state supercapacitors. This work provides a scalable way for high-strength superstretchable and multifunctional fibers applied in wearable devices.
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Affiliation(s)
- Qianqian Liang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Dong Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Peng Ji
- Co-Innovation Center for Textile Industry, Donghua University, Shanghai 201620, PR China
| | - Nan Sheng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Minghao Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Zhuotong Wu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Shiyan Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
| | - Huaping Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, PR China
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26
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Yu R, Zhu C, Wan J, Li Y, Hong X. Review of Graphene-Based Textile Strain Sensors, with Emphasis on Structure Activity Relationship. Polymers (Basel) 2021; 13:polym13010151. [PMID: 33401466 PMCID: PMC7795091 DOI: 10.3390/polym13010151] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/22/2020] [Accepted: 12/29/2020] [Indexed: 02/07/2023] Open
Abstract
Graphene-based textile strain sensors were reviewed in terms of their preparation methods, performance, and applications with particular attention on its forming method, the key properties (sensitivity, stability, sensing range and response time), and comparisons. Staple fiber strain sensors, staple and filament strain sensors, nonwoven fabric strain sensors, woven fabric strain sensors and knitted fabric strain sensors were summarized, respectively. (i) In general, graphene-based textile strain sensors can be obtained in two ways. One method is to prepare conductive textiles through spinning and weaving techniques, and the graphene worked as conductive filler. The other method is to deposit graphene-based materials on the surface of textiles, the graphene served as conductive coatings and colorants. (ii) The gauge factor (GF) value of sensor refers to its mechanical and electromechanical properties, which are the key evaluation indicators. We found the absolute value of GF of graphene-based textile strain sensor could be roughly divided into two trends according to its structural changes. Firstly, in the recoverable deformation stage, GF usually decreased with the increase of strain. Secondly, in the unrecoverable deformation stage, GF usually increased with the increase of strain. (iii) The main challenge of graphene-based textile strain sensors was that their application capacity received limited studies. Most of current studies only discussed washability, seldomly involving the impact of other environmental factors, including friction, PH, etc. Based on these developments, this work was done to provide some merit to references and guidelines for the progress of future research on flexible and wearable electronics.
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Affiliation(s)
- Rufang Yu
- College of Textiles (International Silk Institute), Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China; (R.Y.); (C.Z.); (Y.L.)
- Tongxiang Research Institute, Zhejiang Sci-Tech University, Tongxiang 314599, China;
| | - Chengyan Zhu
- College of Textiles (International Silk Institute), Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China; (R.Y.); (C.Z.); (Y.L.)
- Tongxiang Research Institute, Zhejiang Sci-Tech University, Tongxiang 314599, China;
| | - Junmin Wan
- Tongxiang Research Institute, Zhejiang Sci-Tech University, Tongxiang 314599, China;
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yongqiang Li
- College of Textiles (International Silk Institute), Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China; (R.Y.); (C.Z.); (Y.L.)
- Tongxiang Research Institute, Zhejiang Sci-Tech University, Tongxiang 314599, China;
| | - Xinghua Hong
- College of Textiles (International Silk Institute), Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China; (R.Y.); (C.Z.); (Y.L.)
- Tongxiang Research Institute, Zhejiang Sci-Tech University, Tongxiang 314599, China;
- Correspondence: ; Tel.: +86-0571-86843262
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27
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Lv Z, Liu J, Yang X, Fan D, Cao J, Luo Y, Zhang X. Naturally Derived Wearable Strain Sensors with Enhanced Mechanical Properties and High Sensitivity. ACS APPLIED MATERIALS & INTERFACES 2020; 12:22163-22169. [PMID: 32323980 DOI: 10.1021/acsami.0c04341] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Flexible strain sensors are of great interest for future applications in the next-generation wearable electronic devices. However, most of the existing flexible sensors are based on synthetic polymer materials with limitations in biocompatibility and biodegradability, which may lead to potential environmental pollution. Here, we propose a naturally derived wearable strain sensor based on natural-sourced materials including milk protein fabric, natural rubber, tannic, and vitamin C. The obtained sensors exhibit remarkably enhanced mechanical properties and high sensitivity contrast to currently reported natural resource-based sensors, owing to the metal-ligand interface design and the construction of an organized three-dimensional conductive network, which well fit the requirements of electronic skin. This work represents an important advance toward the fabrication of naturally derived high-performance strain sensors and expanding possibilities in the design of environmental-friendly soft actuators, artificial muscle, and other wearable electronic devices.
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Affiliation(s)
- Zhen Lv
- Agricultural Products Processing Research Institute, Chinese Academy of Tropical, Agricultural Sciences (CATAS), Zhanjiang 524001, China
| | - Jize Liu
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Xin Yang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Dongyang Fan
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Jie Cao
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
| | - Yongyue Luo
- Agricultural Products Processing Research Institute, Chinese Academy of Tropical, Agricultural Sciences (CATAS), Zhanjiang 524001, China
| | - Xinxing Zhang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China
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28
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Zhu GJ, Ren PG, Wang J, Duan Q, Ren F, Xia WM, Yan DX. A Highly Sensitive and Broad-Range Pressure Sensor Based on Polyurethane Mesodome Arrays Embedded with Silver Nanowires. ACS APPLIED MATERIALS & INTERFACES 2020; 12:19988-19999. [PMID: 32252521 DOI: 10.1021/acsami.0c03697] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The pressure sensor with high sensitivity and a broad pressure sensing range is highly desired for flexible electronics. Here, a high-performance pressure sensor based on a hybrid structure was facilely fabricated using the glass template method, which consists of polyurethane (PU) mesodomes embedded with gradient-distributed silver nanowire (AgNW). Such a novel hybrid architecture enables the as-prepared PU/AgNW pressure sensor to have high sensitivity as well as a wide detection range. Moreover, the obtained PU/AgNW pressure sensors have a fast response time (20 ms), good cycling stability, and excellent flexibility. The pressure sensor, benefiting from its outstanding comprehensive sensing performance, can be used for expression recognition and human activity monitoring, showing tremendous application potential in wearable devices. The proposed architecture and developed methodology in this work is promising for future flexible electronic applications.
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Affiliation(s)
- Guan-Jun Zhu
- School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, China
| | - Peng-Gang Ren
- School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, China
- The Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
| | - Jin Wang
- School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, China
| | - Qian Duan
- The Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
| | - Fang Ren
- The Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
| | - Wei-Min Xia
- The Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, China
| | - Ding-Xiang Yan
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
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Weng W, Yang J, Zhang Y, Li Y, Yang S, Zhu L, Zhu M. A Route Toward Smart System Integration: From Fiber Design to Device Construction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1902301. [PMID: 31328845 DOI: 10.1002/adma.201902301] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/03/2019] [Indexed: 05/15/2023]
Abstract
Fiber is a symbol of human civilization, being ubiquitous but obscure in society over most of history. Fiber has been revived upon the advent of fiber-based electronic devices in the past two decades. This is due to its desirable lightweight, flexible, and conformable characteristics, which enable it to play a fundamental role in the electronic and information era. Numerous fiber-based electronic devices have sprung up in energy conversion, energy storage, sensing, actuation, etc. A possibility is thereby conceived that they can be integrated into smart systems compatible with the human body, consisting of biotic fiber-based organs and tissues, which possess similar but more advanced functions. However, the design of mono-/multifibers, the construction of fiber-based devices, and the integration of these smart systems represent great challenges in fundamental understanding and practical implementation. A systematic review of the current state of the art with respect to the design and fabrication of electronic fiber materials, construction of fiber-based devices, and integration of smart systems is presented. In addition, limitations of current fiber-based devices and perspectives are explored toward potential and promising smart integration.
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Affiliation(s)
- Wei Weng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Junjie Yang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Yang Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Yuxing Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Shengyuan Yang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Liping Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
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Chen X, Liu H, Zheng Y, Zhai Y, Liu X, Liu C, Mi L, Guo Z, Shen C. Highly Compressible and Robust Polyimide/Carbon Nanotube Composite Aerogel for High-Performance Wearable Pressure Sensor. ACS APPLIED MATERIALS & INTERFACES 2019; 11:42594-42606. [PMID: 31618002 DOI: 10.1021/acsami.9b14688] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Wearable pressure sensors are in great demand with the rapid development of intelligent electronic devices. However, it is still a huge challenge to obtain high-performance pressure sensors with high sensitivity, wide response range, and low detection limit simultaneously. Here, a polyimide (PI)/carbon nanotube (CNT) composite aerogel with the merits of superelastic, high porosity, robust, and high-temperature resistance was successfully prepared through the freeze drying plus thermal imidization process. Benefiting from the strong chemical interactions between PI and CNT and stable electrical property, the composite aerogel exhibits versatile and superior brilliant sensing performance, which includes wide sensing range (80% strain, 61 kPa), ultrahigh sensitivity (11.28 kPa-1), ultralow detection limit (0.1% strain, <10 Pa), fast response time (50 ms) and recovery time (70 ms), remarkable long-term stability (1000 cycles), and exceptional detection ability toward different deformations (compression, distortion, and bending). Furthermore, the composite aerogel also shows stable sensing performance after annealing under different high temperatures and good thermal insulation property, making it workable in various harsh environments. As a result, the composite aerogel is suitable for the full-range human motion detection (including airflow, pulse, vocal cord vibration, and human movement) and precise detection of the pressure distribution when it is assembled into E-skin, demonstrating its great potential to serve as a high-performance wearable pressure sensor.
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Affiliation(s)
- Xiaoyu Chen
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Hu Liu
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Yanjun Zheng
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Yue Zhai
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Xianhu Liu
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
| | - Chuntai Liu
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
- Technology Development Center for Polymer Processing Engineering, Guangdong Colleges and Universities , Guangdong Industry Technical College , Guangzhou , Guangdong 510641 , China
| | - Liwei Mi
- School of Materials and Chemical Engineering , Zhongyuan University of Technology , Zhengzhou , Henan 451191 , China
| | - Zhanhu Guo
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering , University of Tennessee , Knoxville , Tennessee 37996 , United States
| | - Changyu Shen
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology , Zhengzhou University , Zhengzhou , Henan 450002 , China
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Liu H, Xiang H, Wang Y, Li Z, Qian L, Li P, Ma Y, Zhou H, Huang W. A Flexible Multimodal Sensor That Detects Strain, Humidity, Temperature, and Pressure with Carbon Black and Reduced Graphene Oxide Hierarchical Composite on Paper. ACS APPLIED MATERIALS & INTERFACES 2019; 11:40613-40619. [PMID: 31588725 DOI: 10.1021/acsami.9b13349] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Flexible sensors (FSs) are the key components of intelligent equipment and wearable devices, thus attracting increasing research interests in recent years. However, the preparation of multifunctional FS with good degradability in a natural environment is still challenging. In this work, we fabricated a flexible multimodal sensor that can detect multiple stimuli with only one device by spraying the mixture of carbon black (CB) and reduced graphene oxide (rGO) on a paper substrate. Scanning electron microscopy visualization indicated the CB particles absorbed on the surface of rGO, which then overlayered together, constructing a hierarchical structure. Benefiting from this unique structure, the obtained FS was demonstrated to have good sensitivity for strain, humidity, temperature, and pressure as well as multiple stimuli and was used to monitor human respirations as well as body motions, such as finger and elbow bending and head nodding. Besides, the sensor can be easily degraded in water being free of electronic pollution, but it also can be reused after the soaking-drying process, implying its reliability. This degradable and multimodal FS may find great potential in flexible electronics.
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Affiliation(s)
- Hanbin Liu
- Shaanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University , Xi'an 710072 , P. R. China
| | | | | | | | | | - Peng Li
- Shaanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University , Xi'an 710072 , P. R. China
| | | | - Hongwei Zhou
- School of Materials and Chemical Engineering , Xi'an Technological University , Xi'an 710021 , P. R. China
| | - Wei Huang
- Shaanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University , Xi'an 710072 , P. R. China
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Zhou CG, Sun WJ, Jia LC, Xu L, Dai K, Yan DX, Li ZM. Highly Stretchable and Sensitive Strain Sensor with Porous Segregated Conductive Network. ACS APPLIED MATERIALS & INTERFACES 2019; 11:37094-37102. [PMID: 31512856 DOI: 10.1021/acsami.9b12504] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Flexible strain sensors based on elastomeric conductive polymer composites (ECPCs) play an important role in wearable sensing electronics. However, the achievement of good conjunction between broad detection range and high sensitivity is still challenging. Herein, a highly stretchable and sensitive strain sensor was developed with the formation of porous segregated conductive network in the carbon nanotube/thermoplastic polyurethane composite via a facile and nontoxic compression-molding plus salt-leaching method. The strain sensor with porous segregated conductive network exhibited perfect combination of ultrawide sensing range (800% strain), large sensitivity (gauge factor of 356.4), short response time (180 ms) and recovery time (180 ms), as well as superior stability and durability. The integrated porous structure intensifies the deformation of segregated conductive network when tension strain is applied, which benefits enhancement of the sensitivity. Our sensor could monitor not only subtle oscillation and physiological signals but also energetic human motions efficiently, revealing promising potential applications in wearable motion monitoring systems. This work provides a unique and effective strategy for realizing ECPCs based strain sensors with excellent comprehensive sensing performances.
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Affiliation(s)
| | | | | | | | - Kun Dai
- School of Materials Science and Engineering , Zhengzhou University , Zhengzhou 450001 , China
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