Issue

Vol. 11 (2019)

Graphene Nanostructure-Based Tactile Sensors for Electronic Skin Applications

https://doi.org/10.1007/s40820-019-0302-0
Pei Miao
Institute for Advanced Interdisciplinary Research, Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, University of Jinan, 336 Nanxinzhuang West Road, Jinan 250011, People’s Republic of China
Jian Wang
Institute for Advanced Interdisciplinary Research, Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, University of Jinan, 336 Nanxinzhuang West Road, Jinan 250011, People’s Republic of China
Congcong Zhang
Institute for Advanced Interdisciplinary Research, Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, University of Jinan, 336 Nanxinzhuang West Road, Jinan 250011, People’s Republic of China
Mingyuan Sun
Institute for Advanced Interdisciplinary Research, Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, University of Jinan, 336 Nanxinzhuang West Road, Jinan 250011, People’s Republic of China
Shanshan Cheng
Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, School of Science, Tianjin University, 92 Weijin Road, Tianjin 300072, People’s Republic of China
Hong Liu
Institute for Advanced Interdisciplinary Research, Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, University of Jinan, 336 Nanxinzhuang West Road, Jinan 250011, People’s Republic of China

Corresponding Author: Hong Liu

hongliu@sdu.edu.cn

Nano-Micro Letters, Vol. 11 (2019), Article Number: 71

Abstract

Skin is the largest organ of the human body and can perceive and respond to complex environmental stimulations. Recently, the development of electronic skin (E-skin) for the mimicry of the human sensory system has drawn great attention due to its potential applications in wearable human health monitoring and care systems, advanced robotics, artificial intelligence, and human–machine interfaces. Tactile sense is one of the most important senses of human skin that has attracted special attention. The ability to obtain unique functions using diverse assembly processible methods has rapidly advanced the use of graphene, the most celebrated two-dimensional material, in electronic tactile sensing devices. With a special emphasis on the works achieved since 2016, this review begins with the assembly and modification of graphene materials and then critically and comprehensively summarizes the most advanced material assembly methods, device construction technologies and signal characterization approaches in pressure and strain detection based on graphene and its derivative materials. This review emphasizes on: (1) the underlying working principles of these types of sensors and the unique roles and advantages of graphene materials; (2) state-of-the-art protocols recently developed for high-performance tactile sensing, including representative examples; and (3) perspectives and current challenges for graphene-based tactile sensors in E-skin applications. A summary of these cutting-edge developments intends to provide readers with a deep understanding of the future design of high-quality tactile sensing devices and paves a path for their future commercial applications in the field of E-skin.


Highlights:


1 Tremendous progress has been advanced by research into graphene and its derivatives with great benefits toward low-cost, portable, and real-time tactile sensors/electronic skin.
2 The review presented herein direct future efforts aimed at high-quality graphene-based tactile sensors and their implications for the wider scientific community.
3 The paper also are informative regarding some basic and crucial issues regarding graphene and its derivatives, such as charge-transport principles, doping/trapping behaviors, correlations between structure/morphology and properties/functions.

Keywords

Graphene derivatives Tactile sensor Electronic skin Assembly
Miao, Pei, Jian Wang, Congcong Zhang, Mingyuan Sun, Shanshan Cheng, and Hong Liu. 2019. “Graphene Nanostructure-Based Tactile Sensors for Electronic Skin Applications”. Nano-Micro Letters 11 (September):71. https://doi.org/10.1007/s40820-019-0302-0.
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