Journal
NANO RESEARCH
Volume 7, Issue 8, Pages 1215-1223Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-014-0484-1
Keywords
paper-based triboelectric nanogenerator; self-powered systems; anti-theft sensor; position; indium tin oxide
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Funding
- Thousands Talents Program for Pioneer Researchers and Their Innovation Teams, China
- Beijing Municipal Science & Technology Commission [Z131100006013004, Z131100006013005]
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The triboelectric nanogenerator (TENG), based on the well-known triboelectric effect and electrostatic induction effect, has been proven to be a simple, cost effective approach for self-powered systems to convert ambient mechanical energy into electricity. We report a flexible and transparent paper-based triboelectric nanogenerator (PTENG) consisting of an indium tin oxide (ITO) film and a polyethylene terephthalate (PET) film as the triboelectric surfaces, which not only acts as an energy supply but also as a self-powered active sensor. It can harvest kinetic energy when the sheets of paper come into contact, bend or slide relative to one another by a combination of vertical contact-separation mode and lateral sliding mode. In addition, we also integrate grating-structured PTENGs into a book as a self-powered anti-theft sensor. The mechanical agitation during handling the book pages can be effectively converted into an electrical output to either drive a commercial electronic device or trigger a warning buzzer. Furthermore, different grating-structures on each page produce different numbers of output peaks by sliding relative to one another, which can accurately act as a page mark and record the number of pages turned. This work is a significant step forward in self-powered paper-based devices.
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