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Cited by 486

The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.

Triboelectrification-Based Organic Film Nanogenerator for Acoustic Energy Harvesting and Self-Powered Active Acoustic Sensing

Yang, Jin, Chen, Jun, Liu, Ying, Yang, Weiqing, Su, Yuanjie, Wang, Zhong Lin·2014·ACS Nano

Abstract

As a vastly available energy source in our daily life, acoustic vibrations are usually taken as noise pollution with little use as a power source. In this work, we have developed a triboelectrification-based thin-film nanogenerator for harvesting acoustic energy from ambient environment. Structured using a polytetrafluoroethylene thin film and a holey aluminum film electrode under carefully designed straining conditions, the nanogenerator is capable of converting acoustic energy into electric energy via triboelectric transduction. With an acoustic sensitivity of 9.54 V Pa(-1) in a pressure range from 70 to 110 dB and a directivity angle of 52°, the nanogenerator produced a maximum electric power density of 60.2 mW m(-2), which directly lit 17 commercial light-emitting diodes (LEDs). Furthermore, the nanogenerator can also act as a self-powered active sensor for automatically detecting the location of an acoustic source with an error less than 7 cm. In addition, an array of devices with varying resonance frequencies was employed to widen the overall bandwidth from 10 to 1700 Hz, so that the nanogenerator was used as a superior self-powered microphone for sound recording. Our approach presents an adaptable, mobile, and cost-effective technology for harvesting acoustic energy from ambient environment, with applications in infrastructure monitoring, sensor networks, military surveillance, and environmental noise reduction.

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Metadata

Authors
Yang, J., Chen, J., Liu, Y., Yang, W., Su, Y., & Wang, Z. L.
Venue
ACS Nano
Published
2014-02-13
Volume
8
Issue
3
Pages
2649-2657
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W2318230453
Cited by
486
References
21
FWCI
20.03
Type
journal article
Language
en
Open access
closed

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