Yuqiao Chai
(, ), Ruoqi Chen
(, ), Xinlei Ma
(, ), Yonglin He
(, ), Huanrong Zhang
(, ), Tianlai Xia
(, ), Jitao Chen
(, ), Yushu Wang
(, ), Hui Ma
(, ), Xusheng Wang
(, ), Wei Rao
(, ), Xinyue Zhang
(, ), Yapei Wang
(, ), Junhui Ji
(, ), Fengwang Li
(, ), Mianqi Xue
(, )
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引用次数: 0
Abstract
Electronic technology, based on signal conversion induced by voltage stimulation, forms the core foundation of the state-of-the-art intelligent devices, tools, and equipment. Such conversions are inherently binary and limited because they rely solely on voltage, which presents challenges for many emerging frontier applications. Here, a two-dimensional ordered conjugated system of reduced graphene oxide/polypyrrole (rGO/PPy) has been developed. Multi-stimulus response signal adapters have been constructed, utilizing the electrical anisotropy inherent in the rGO/PPy system. This electrical anisotropy, derived from the quasi-two-dimensional geometry of rGO/PPy, enables the device to produce distinct electrical signals in response to various stimuli. With effective responses to light and pressure, the two most common input stimuli other than voltage, it can output quaternary/denary signals and visual optical signals, as well as enables information encryption using passive devices. Furthermore, the signal adapter demonstrates high cyclic stability under repeated pressure and/or light loading. The successful development of this low-cost, scalable signal adapter paves the way for the next-generation of intelligent systems, promising advancements in human-computer interaction, electronic skin, biological implant equipment, and related fields.
期刊介绍:
Science China Materials (SCM) is a globally peer-reviewed journal that covers all facets of materials science. It is supervised by the Chinese Academy of Sciences and co-sponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China. The journal is jointly published monthly in both printed and electronic forms by Science China Press and Springer. The aim of SCM is to encourage communication of high-quality, innovative research results at the cutting-edge interface of materials science with chemistry, physics, biology, and engineering. It focuses on breakthroughs from around the world and aims to become a world-leading academic journal for materials science.