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High-performance triboelectric nanogenerators with artificially well-tailored interlocked interfaces

Authors
Choi, Hak-JongLee, Jeong HwanJun, JunhoKim, Tae YunKim, Sang-WooLee, Heon
Issue Date
9월-2016
Publisher
ELSEVIER SCIENCE BV
Keywords
Nanogenerator; Nanoimprinting; Interlocked interface; Triboelectrification; Nanostructure; High performance
Citation
NANO ENERGY, v.27, pp.595 - 601
Indexed
SCIE
SCOPUS
Journal Title
NANO ENERGY
Volume
27
Start Page
595
End Page
601
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/87579
DOI
10.1016/j.nanoen.2016.08.014
ISSN
2211-2855
Abstract
We report a facile and cost-effective route for fabricating highly efficient triboelectric energy harvesters via formation of artificially well-tailored interlocked interface with a nanostructured Ni electrode and polydimethylsiloxane (PDMS). The interlocked interface formed between the nano-pillar Ni electrode and nano-pillar PDMS composite thin film effectively enhanced the triboelectricity of a triboelectric nanogenerator (TENG) by increasing the surface contact area and contact time, related to the frictional forces. The output power of four different kinds of TENGs was evaluated to confirm the effect of the surface morphology, especially the interlocked interface. A dramatic enhancement of the output voltage (-100 V) was observed with a current of up to 23 A. The effectiveness of the interlocked TENG (iTENG) was also demonstrated by the greater efficiency for charging a capacitor compared with the flat to -flat contact TENG (flat TENG). (C) 2016 Elsevier Ltd. All rights reserved.
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공과대학 (신소재공학부)
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