期刊
CHEMICAL ENGINEERING JOURNAL
卷 464, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2023.142576
关键词
Graphene; Stretchable; Strain sensors; Flexible and wearable electronics
Flexible and wearable electronics have attracted significant attention in research due to their potential applications in personal healthcare, electronic skins, and human-machine interfaces. Strain sensors, especially those based on two-dimensional carbon-based materials such as graphene, play a crucial role in wearable electronics by efficiently converting external stimuli into electrical signals. This review highlights the need for a comprehensive overview of graphene-based strain sensors that focuses on their attributes, mechanisms, fabrication strategies, and applications in various fields.
Flexible and wearable electronics have recently gained considerable research interest due to their potential applications in personal healthcare, electronic skins, and human-machine interfaces. In particular, strain sensors that can efficiently transmit external stimuli into electrical signals are essential for wearable electronics. Two-dimensional carbon-based materials such as graphene are potentially versatile platforms for the above appli-cations, mainly attributed to their combined properties of excellent flexibility, thermal and electrical conduc-tivity, and mechanical strength. Although there are numerous reports devoted to the design, fabrication and application of graphene-based strain sensors, a comprehensive overview dedicated on attributes of graphene-based strain sensors that can be systematically correlated with their mechanisms, fabrication strategies and applications is urgently required in the field. Specially this review is aimed to explore the following topics, i.e., (i) the strain sensing mechanisms and key performance parameters of graphene-based sensors; (ii) the recent progress of major graphene-based sensors including those of film-based, fiber-based, foam-based and hydrogel-based; (iii) applications of graphene-based sensors for human motion sensing, health indicators, electronic skins and human machine interfaces; and finally (iv) challenges and future directions for the design of graphene-based sensors.
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