Nano Energy
4 May 2020
Distributed mobile ultraviolet light sources driven by ambient mechanical stimuli
Zhaozheng Wanga,b,1, Yunxu Shib,1, Fan Liua, Hao Wanga, Xu Liua, Runtong Suna, Yijia Lua, Linhong Jia, Zhong Lin Wangc,d,*, Jia Chenga,*
a State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing, China
b School of Electromechanical and Automotive Engineering, YanTai University, Shandong, China
c Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
d School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332-0245, USA
1 These authors contributed equally to this work.
10.1016/j.nanoen.2020.104910
Due to the natural characteristics of high voltage output, Triboelectric Nanogenerators (TENGs) have huge advantages in many fields. Here, we have proposed a concept of Mobile ultraviolet light sources (Mobile-UV) driven by TENG, without any additional circuits. For this system, analysis of electric characteristics, optical emission spectra, and COMSOL simulation were carried out to promote the performance. Subsequently, we have developed exploratory applications in the fields of bio-sterilization, chemical detection, and UV-curing, which proved the versatility and effectiveness. This work offers a promising, portable, effective, and safe supplement to traditional ultraviolet light sources, and will enrich the diversity of the ultraviolet application based on the reach of existing technologies.
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