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High-performance nanopattern triboelectric generator by block copolymer lithography

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Title
High-performance nanopattern triboelectric generator by block copolymer lithography
Author(s)
Kim D.; Jeon S.-B.; Kim J.Y.; Seol M.-L.; Kim S.O.; Choi Y.-K.
Publication Date
2015-03
Journal
NANO ENERGY, v.12, no., pp.331 - 338
Publisher
Elsevier BV
Abstract
Large-area nanopatterningisintroducedona flexible goldsubstratebyblockcopolymer(BCP) lithography.Wefabricateultrahighpowerenergyharvestingnanogeneratorsbasedoncontact- electrification principleexploitingtheeffectivecontactareaenhancementbyblockcopolymer lithography.OwingtothefacileandeffectivesurfaceareaenhancementbyBCPnanopatterning, significantenhancementoftriboelectricchargeinductionisattained.OutputcurrentsfromTENG increased atleast16timesafterBCPnanopatterning. Thisnanogeneratorcangenerateremarkably high outputvoltageandcurrent,whichcandirectly lightup504seriallyconnectedLEDs.The resultant nanogeneratorattainsthemaximuminstantaneouscurrentof1.6mAandoutputpowerof 93.2 W/m2. Electricalenergygeneratedbysinglecycleofimpactforceis0.54mJ,andtheaverage electricalenergyis114.89mW.Thosevaluesindicate oneofthehighestdeviceperformanceever reported fortheTENGsbasedoncontact-separationmodethusfar. & 2015ElsevierLtd.Allrightsreserved.
URI
https://pr.ibs.re.kr/handle/8788114/2104
ISSN
2211-2855
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
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