Structured Macroporous Silicon/Graphene Heterojunction for Efficient Photoconversion

New roles of graphene as a protective layer and transparent charge collector are demonstrated in a structured macroporous Si (MPSi)/graphene (Gr) heterojunction, which shows stable photocurrent (see picture) and a maximum photoconversion efficiency of 2.36 % in 0.05 M H2SO4 without adding a redox pa...

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Published inAngewandte Chemie International Edition Vol. 49; no. 30; pp. 5106 - 5109
Main Authors Yu, Hongtao, Chen, Shuo, Fan, Xinfei, Quan, Xie, Zhao, Huimin, Li, Xinyong, Zhang, Yaobin
Format Journal Article
LanguageEnglish
Published Weinheim Wiley-VCH Verlag 12.07.2010
WILEY-VCH Verlag
WILEY‐VCH Verlag
Subjects
energy conversion
graphene
photoelectrics
silicon
thin films
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Summary:New roles of graphene as a protective layer and transparent charge collector are demonstrated in a structured macroporous Si (MPSi)/graphene (Gr) heterojunction, which shows stable photocurrent (see picture) and a maximum photoconversion efficiency of 2.36 % in 0.05 M H2SO4 without adding a redox pair.
Bibliography:http://dx.doi.org/10.1002/anie.200907173
Education Department of Liaoning Province - No. 2008T224
ArticleID:ANIE200907173
This work was supported by National Natural Science Foundation of China (No. 20837001, No. 20525723), Education Department of Liaoning Province (No. 2008T224), and Program for Changjiang Scholars and Innovative Research Team in University (IRT0813).
National Natural Science Foundation of China - No. 20837001; No. 20525723
Program for Changjiang Scholars and Innovative Research Team in University - No. IRT0813
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ISSN:1433-7851
1521-3773
1521-3773
DOI:10.1002/anie.200907173