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Park, Hyesung
Low-Dimensional Materials & Energy Conversion Lab
Research Interests
  • Nano materials, renewable energy, optoelectronic devices

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Flexible Graphene Electrode-Based Organic Photovoltaics with Record-High Efficiency

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dc.contributor.author Park, Hyesung ko
dc.contributor.author Chang, Sehoon ko
dc.contributor.author Zhou, Xiang ko
dc.contributor.author Kong, Jing ko
dc.contributor.author Palacios, Tomas ko
dc.contributor.author Gradecak, Silvija ko
dc.date.available 2015-07-06T07:28:37Z -
dc.date.created 2015-07-03 ko
dc.date.issued 2014-09 ko
dc.identifier.citation NANO LETTERS, v.14, no.9, pp.5148 - 5154 ko
dc.identifier.issn 1530-6984 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/11967 -
dc.description.abstract Advancements in the field of flexible high-efficiency solar cells and other optoelectronic devices will strongly depend on the development of electrode materials with good conductivity and flexibility. To address chemical and mechanical instability of currently used indium tin oxide (ITO), graphene has been suggested as a promising flexible transparent electrode but challenges remain in achieving high efficiency of graphene-based polymer solar cells (PSCs) compared to their ITO-based counterparts. Here we demonstrate graphene anode- and cathode-based flexible PSCs with record-high power conversion efficiencies of 6.1 and 7.1%, respectively. The high efficiencies were achieved via thermal treatment of MoO3 electron blocking layer and direct deposition of ZnO electron transporting layer on graphene. We also demonstrate graphene-based flexible PSCs on polyethylene naphthalate substrates and show the device stability under different bending conditions. Our work paves a way to fully graphene electrode-based flexible solar cells using a simple and reproducible process ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher AMER CHEMICAL SOC ko
dc.title Flexible Graphene Electrode-Based Organic Photovoltaics with Record-High Efficiency ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84914140175 ko
dc.identifier.wosid 000341544500035 ko
dc.type.rims ART ko
dc.description.wostc 13 *
dc.description.scopustc 11 *
dc.description.scopustc 11 *
dc.date.tcdate 2015-12-28 *
dc.date.scptcdate 2015-11-04 *
dc.date.scptcdate 2015-11-04 *
dc.identifier.doi 10.1021/nl501981f ko
dc.identifier.url http://pubs.acs.org/doi/abs/10.1021/nl501981f ko
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