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Research Article

A self-powered and concealed sensor based on triboelectric nanogenerators for cultural-relic anti-theft systems

Baocheng wang1,2Xiaoying Zhai3Xuelian Wei1,2Yapeng Shi1,2Xiaoqing Huo1,2Ruonan Li1Zhiyi Wu1,2,4( )Zhong Lin Wang1,2,4,5( )
Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China
College of Nanoscience and Technology, University of Chinese Academy of Science, Beijing 100049, China
Queen Mary University of London Engineering School, Northwestern Polytechnical University, Xi’an 710072, China
CUSTech Institute of Technology, Wenzhou 325024, China
School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
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Graphical Abstract

A concealed cultural-relic anti-theft system that enables real-time alarming of cultural relics is constructed, which is expected to strengthen the security level of the existing museum anti-theft systems.

Abstract

The theft prevention for cultural relics in museums, field excavation sites, and temporary exhibition events is of extreme importance. However, traditional anti-theft technologies such as infrared monitoring and radio frequency identification are highly costly, power-consuming, and easy to break. Here, a transparent, ultrathin, and flexible triboelectric sensor (TUFS) with a simple and low-cost method is proposed. With a thickness, weight, and transmittance of 92 μm, 0.12 g, and 89.4%, the TUFS manifests superb concealment. Benefiting from the characteristic of triboelectric nanogenerators, the TUFS responds effectively to common cultural-relic materials. Moreover, distinguished electrical responses can be obtained even for very small weights (10 g) and areas (1 cm2), proving the sensitivity and wide range of use of the TUFS. Finally, we construct a concealed cultural-relic anti-theft system that enables real-time alarming and accurate positioning of cultural relics, which is expected to strengthen the security level of the existing museum anti-theft systems.

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Nano Research
Pages 8435-8441
Cite this article:
wang B, Zhai X, Wei X, et al. A self-powered and concealed sensor based on triboelectric nanogenerators for cultural-relic anti-theft systems. Nano Research, 2022, 15(9): 8435-8441. https://doi.org/10.1007/s12274-022-4443-y
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Received: 18 February 2022
Revised: 16 April 2022
Accepted: 19 April 2022
Published: 16 May 2022
© Tsinghua University Press 2022
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