A structured macroporous silicon/graphene heterojunction for efficient photoconversion

Yu, H. and Chen, S. and Fan, X. and Quan, X. and Zhao, H. and Li, X.Y. and Zhang, Y. 2010. A structured macroporous silicon/graphene heterojunction for efficient photoconversion. Angewandte Chemie - International Edition. 49 (30): pp. 5106-5109.

Source Title

Angewandte Chemie - International Edition

DOI

10.1002/anie.200907173

ISSN

1433-7851

School

Department of Chemical Engineering

URI

http://hdl.handle.net/20.500.11937/20104

Collection

Curtin Research Publications

Abstract

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. (Figure Presented) © 2010 Wiley-VCH Verlag GmbH & Co. KGaA.