Journal
NANOSCALE
Volume 7, Issue 4, Pages 1285-1289Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr06237j
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Funding
- NSFC [51322203]
- Fok Ying Tung education foundation [131044]
- PCSIRT [IRT1251]
- thousands talents program for pioneer researcher and his innovation team, China
- Fundamental Research Funds for the Central Universities [lzujbky-2014-m02, lzujbky-2013-k04, lzujbky-2013-34, lzujbky-2013-230]
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Ultrafine organic nanowire arrays (ONWAs) with a controlled direction were successfully fabricated by a novel one-step Faraday cage assisted plasma etching method. The mechanism of formation of nanowire arrays is proposed; the obliquity and aspect ratio can be accurately controlled from approximately 0 degrees to 90 degrees via adjusting the angle of the sample and the etching time, respectively. In addition, the ONWAs were further utilized to improve the output of the triboelectric nanogenerator (TENG). Compared with the output of TENG composed of vertical ONWAs, the open-circuit voltage, short-circuit current and inductive charges were improved by 73%, 150% and 98%, respectively. This research provides a convenient and practical method to fabricate ONWAs with various obliquities on different materials, which can be used for energy harvesting.
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