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Self‐Powered Multimodal Temperature and Force Sensor Based‐On a Liquid Droplet
Author(s) -
Liu Kang,
Zhou Yishu,
Yuan Fang,
Mo Xiaobao,
Yang Peihua,
Chen Qian,
Li Jia,
Ding Tianpeng,
Zhou Jun
Publication year - 2016
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201609088
Subject(s) - electrowetting , voltage , materials science , range (aeronautics) , atmospheric temperature range , electronics , optoelectronics , nanotechnology , chemistry , electrical engineering , physics , composite material , thermodynamics , dielectric , engineering
Herein we report a self‐powered multimodal temperature and force sensor based on the reverse electrowetting effect and the thermogalvanic effect in a liquid droplet. The deformation of the droplet and the temperature difference across the droplet can induce an alternating pulse voltage and a direct voltage, respectively, which is easy to separate/analyze and can be utilized to sense the external force and temperature simultaneously. In addition, an integral display system that can derive information from external temperature/force concurrently is constructed. Combined with advantages of excellent sensing properties and a simple structure, the droplet sensor has promising applications in a wide range of intelligent electronics.