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Photocatalytic Conversion of Carbon Dioxide with Water into Methane: Platinum and Copper(I) Oxide Co‐catalysts with a Core–Shell Structure
Author(s) -
Zhai Qingge,
Xie Shunji,
Fan Wenqing,
Zhang Qinghong,
Wang Yu,
Deng Weiping,
Wang Ye
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.201301473
Subject(s) - photocatalysis , catalysis , methane , shell (structure) , oxide , platinum , materials science , chemistry , chemical engineering , nanotechnology , inorganic chemistry , metallurgy , engineering , organic chemistry , composite material
Binary co‐catalysts of Pt and Cu 2 O with a core–shell structure significantly enhance the photocatalytic reduction of CO 2 with H 2 O to CH 4 and CO. The Cu 2 O shell provides sites for the preferential activation and conversion of CO 2 , whereas the Pt core extracts the photogenerated electrons from TiO 2 . The deposition of Cu 2 O shell on Pt nanoparticles markedly suppresses the reduction of H 2 O to H 2 (see picture).
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