Anomalous Behaviors of Graphene Transparent Conductors in Graphene-Silicon Heterojunction Solar Cells

An unexpected behavior of graphene in graphene–silicon heterojunction junction solar cells when it is used as the window electrode is reported. Although the synthesized mono layer graphene exhibits better transparency and conductivity, the multilayer graphene enables much higher solar conversion abi...

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Veröffentlicht in:Advanced energy materials 2013-08, Vol.3 (8), p.1029-1034
Hauptverfasser: Li, Xinming, Xie, Dan, Park, Hyesung, Zeng, Tingying Helen, Wang, Kunlin, Wei, Jinquan, Zhong, Minlin, Wu, Dehai, Kong, Jing, Zhu, Hongwei
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container_end_page 1034
container_issue 8
container_start_page 1029
container_title Advanced energy materials
container_volume 3
creator Li, Xinming
Xie, Dan
Park, Hyesung
Zeng, Tingying Helen
Wang, Kunlin
Wei, Jinquan
Zhong, Minlin
Wu, Dehai
Kong, Jing
Zhu, Hongwei
description An unexpected behavior of graphene in graphene–silicon heterojunction junction solar cells when it is used as the window electrode is reported. Although the synthesized mono layer graphene exhibits better transparency and conductivity, the multilayer graphene enables much higher solar conversion ability of the solar cell. This surprising observation may be because the multilayer graphene can more effectively suppress charge recombination at the heterojunction interface, which increases the fill factor and enhances the cell performance.
doi_str_mv 10.1002/aenm.201300052
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source Wiley Online Library Journals Frontfile Complete
subjects Conductors
Conversion
Electrodes
gaphene
Graphene
Heterojunctions
hterojunction
Multilayers
Photovoltaic cells
shottky
Solar cells
title Anomalous Behaviors of Graphene Transparent Conductors in Graphene-Silicon Heterojunction Solar Cells
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