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Solar Hydrogen Generation by Silicon Nanowires Modified with Platinum Nanoparticle Catalysts by Atomic Layer Deposition
Author(s) -
Dai Pengcheng,
Xie Jin,
Mayer Matthew T.,
Yang Xiaogang,
Zhan Jinhua,
Wang Dunwei
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201303813
Subject(s) - atomic layer deposition , nanowire , materials science , platinum , catalysis , nanoparticle , platinum nanoparticles , layer (electronics) , deposition (geology) , silicon , nanotechnology , chemical engineering , hydrogen , silicon nanowires , solar cell , optoelectronics , chemistry , paleontology , biochemistry , organic chemistry , sediment , engineering , biology
Covered with Pt : A uniform catalyst profile that ensures effective radial charge collection from high‐aspect‐ratio Si nanowires was achieved by atomic layer deposition of Pt nanoparticles. The resulting photoelectrode permits the measurement of high photovoltages and low overpotentials, and leads to very good stability against photooxidation of Si nanowires in solar water‐reduction reactions.