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Han S, Li S, Fu X, Han S, Chen H, Zhang L, Wang J, Sun G. Research Progress of Flexible Piezoresistive Sensors Based on Polymer Porous Materials. ACS Sens 2024; 9:3848-3863. [PMID: 39046083 DOI: 10.1021/acssensors.4c00836] [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] [Indexed: 07/25/2024]
Abstract
Flexible piezoresistive sensors are in high demand in areas such as wearable devices, electronic skin, and human-machine interfaces due to their advantageous features, including low power consumption, excellent bending stability, broad testing pressure range, and simple manufacturing technology. With the advancement of intelligent technology, higher requirements for the sensitivity, accuracy, response time, measurement range, and weather resistance of piezoresistive sensors are emerging. Due to the designability of polymer porous materials and conductive phases, and with more multivariate combinations, it is possible to achieve higher sensitivity and lower detection limits, which are more promising than traditional flexible sensor materials. Based on this, this work reviews recent advancements in research on flexible pressure sensors utilizing polymer porous materials. Furthermore, this review examines sensor performance optimization and development from the perspectives of three-dimensional porous flexible substrate regulation, sensing material selection and composite technology, and substrate and sensing material structure design.
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Affiliation(s)
- Song Han
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Sheng Li
- China Academy of Machinery Wuhan Research Institute of Materials Protection Company, Ltd., Wuhan 430030, People's Republic of China
| | - Xin Fu
- Wuhan Second Ship Design & Research Institute, Wuhan 430064, People's Republic of China
| | - Shihui Han
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Huanyu Chen
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Liu Zhang
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Jun Wang
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Gaohui Sun
- College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, People's Republic of China
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Qin R, Nong J, Wang K, Liu Y, Zhou S, Hu M, Zhao H, Shan G. Recent Advances in Flexible Pressure Sensors Based on MXene Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312761. [PMID: 38380773 DOI: 10.1002/adma.202312761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/23/2024] [Indexed: 02/22/2024]
Abstract
In the past decade, with the rapid development of wearable electronics, medical health monitoring, the Internet of Things, and flexible intelligent robots, flexible pressure sensors have received unprecedented attention. As a very important kind of electronic component for information transmission and collection, flexible pressure sensors have gained a wide application prospect in the fields of aerospace, biomedical and health monitoring, electronic skin, and human-machine interface. In recent years, MXene has attracted extensive attention because of its unique 2D layered structure, high conductivity, rich surface terminal groups, and hydrophilicity, which has brought a new breakthrough for flexible sensing. Thus, it has become a revolutionary pressure-sensitive material with great potential. In this work, the recent advances of MXene-based flexible pressure sensors are reviewed from the aspects of sensing type, sensing mechanism, material selection, structural design, preparation strategy, and sensing application. The methods and strategies to improve the performance of MXene-based flexible pressure sensors are analyzed in details. Finally, the opportunities and challenges faced by MXene-based flexible pressure sensors are discussed. This review will bring the research and development of MXene-based flexible sensors to a new high level, promoting the wider research exploitation and practical application of MXene materials in flexible pressure sensors.
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Affiliation(s)
- Ruzhan Qin
- College of Automation, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China
- School of Instrumentation Science and Opto-electronic Engineering, Beihang University, Beijing, 100191, China
- School of Physics and Electronic Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Juan Nong
- College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Keqiang Wang
- College of Automation, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China
| | - Yishen Liu
- Institute of Intelligent Manufacturing, Guangdong Academy of Sciences, Guangdong Key Laboratory of Modern Control Technology, Guangzhou, 510070, China
| | - Songbin Zhou
- Institute of Intelligent Manufacturing, Guangdong Academy of Sciences, Guangdong Key Laboratory of Modern Control Technology, Guangzhou, 510070, China
| | - Mingjun Hu
- School of Materials Science and Engineering, Beihang University, Beijing, 100191, China
| | - Hongbin Zhao
- State Key Laboratory of Advanced Materials for Smart Sensing, General Research Institute for Nonferrous Metals, Beijing, 100088, China
| | - Guangcun Shan
- School of Instrumentation Science and Opto-electronic Engineering, Beihang University, Beijing, 100191, China
- College of Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, 10068, China
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Xu Y, Qiang Q, Zhao Y, Li H, Xu L, Liu C, Wang Y, Xu Y, Tao C, Lang T, Zhao L, Liu B. A super water-resistant MXene sponge flexible sensor for bifunctional sensing of physical and chemical stimuli. LAB ON A CHIP 2023; 23:485-494. [PMID: 36594695 DOI: 10.1039/d2lc01008a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Flexible wearable sensors with multifunctional features have attracted great interest in various applications such as disease diagnosis, environmental detection and healthcare monitoring. However, it is still a challenge to achieve a multifunctional sensor with super water resistance without compromising the overall performance of the sensing material. Here, we developed a 3D bifunctional flexible sensor based on an MXene melamine sponge (MS) through a simple and effective ultrasonic mixing process and a further vacuum annealing process. The sensor is able to show excellent response to different stimuli, including pressure and humidity. The thermal annealing treatment allows MXene to adhere more firmly to the internal skeleton of the sponge, which does not easily fall off and improves the water resistance, thus achieving wearability and high sensitivity over a wide area. The T-MXene@MS sensor has a sensitivity of 9.97 kPa-1 in the 5-15 kPa range, a fast response time (180 ms), and good stability at 4000 cycles, enabling accurate monitoring of human movement. The sensor has a rich porous structure while maintaining its inherent flexibility, which allows for long term testing of human respiration as well as the ability to respond quickly to dynamic changes in humidity, demonstrating excellent long-term stability for 40 days of humidity detection.
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Affiliation(s)
- Yuqing Xu
- Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China.
- College of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China.
| | - Qinping Qiang
- Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China.
- College of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China.
| | - Yaru Zhao
- College of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China.
| | - Hongxing Li
- Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China.
- College of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China.
| | - Li Xu
- Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China.
| | - Chong Liu
- Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China.
| | - Yiya Wang
- Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China.
| | - Yangkun Xu
- Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China.
| | - Chengcheng Tao
- Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China.
| | - Tianchun Lang
- Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China.
| | - Lei Zhao
- College of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China.
| | - Bitao Liu
- Research Institute for New Materials Technology, Chongqing University of Arts and Sciences, Chongqing 402160, China.
- College of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China.
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Research Progresses in Microstructure Designs of Flexible Pressure Sensors. Polymers (Basel) 2022; 14:polym14173670. [PMID: 36080744 PMCID: PMC9460742 DOI: 10.3390/polym14173670] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 08/30/2022] [Accepted: 09/01/2022] [Indexed: 02/06/2023] Open
Abstract
Flexible electronic technology is one of the research hotspots, and numerous wearable devices have been widely used in our daily life. As an important part of wearable devices, flexible sensors can effectively detect various stimuli related to specific environments or biological species, having a very bright development prospect. Therefore, there has been lots of studies devoted to developing high-performance flexible pressure sensors. In addition to developing a variety of materials with excellent performances, the microstructure designs of materials can also effectively improve the performances of sensors, which has brought new ideas to scientists and attracted their attention increasingly. This paper will summarize the flexible pressure sensors based on material microstructure designs in recent years. The paper will mainly discuss the processing methods and characteristics of various sensors with different microstructures, and compare the advantages, disadvantages, and application scenarios of them. At the same time, the main application fields of flexible pressure sensors based on microstructure designs will be listed, and their future development and challenges will be discussed.
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Recent Progress in Flexible Pressure Sensor Arrays. NANOMATERIALS 2022; 12:nano12142495. [PMID: 35889718 PMCID: PMC9319019 DOI: 10.3390/nano12142495] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 07/16/2022] [Accepted: 07/17/2022] [Indexed: 12/11/2022]
Abstract
Flexible pressure sensors that can maintain their pressure sensing ability with arbitrary deformation play an essential role in a wide range of applications, such as aerospace, prosthetics, robotics, healthcare, human–machine interfaces, and electronic skin. Flexible pressure sensors with diverse conversion principles and structural designs have been extensively studied. At present, with the development of 5G and the Internet of Things, there is a huge demand for flexible pressure sensor arrays with high resolution and sensitivity. Herein, we present a brief description of the present flexible pressure sensor arrays with different transduction mechanisms from design to fabrication. Next, we discuss the latest progress of flexible pressure sensor arrays for applications in human–machine interfaces, healthcare, and aerospace. These arrays can monitor the spatial pressure and map the trajectory with high resolution and rapid response beyond human perception. Finally, the outlook of the future and the existing problems of pressure sensor arrays are presented.
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