Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 3, Issue 3, Pages 721-725Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am1010354
Keywords
graphene; silicon nanowires; Schottky junctions; solar cells
Funding
- National Science Foundation of China [50972067]
- Tsinghua National Laboratory for Information Science and Technology (TNList) Cross-discipline Foundation
- Foundation for the Author of National Excellent Doctoral Dissertation [201038]
- Ministry of Education of China [20090002120019]
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Schottky junction solar cells are assembled by directly coating graphene films on n-type silicon nanowire (SiNW) arrays. The graphene/SiNW junction shows enhanced light trapping and faster carrier transport compared to the graphene/planar Si structure. With chemical doping, the SiNW-based solar cells showed energy conversion efficiencies of up to 2.86% at AM1.5 condition, opening a possibility of using graphene/semiconductor nanostructures in photovoltaic application.
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