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Copper‐Decorated Microsized Nanoporous Titanium Dioxide Photocatalysts for Carbon Dioxide Reduction by Water
Author(s) -
Zhang Tao,
Low Jingxiang,
Huang Xiaoxi,
AlSharab Jafar F.,
Yu Jiaguo,
Asefa Tewodros
Publication year - 2017
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201700512
Subject(s) - photocatalysis , titanium dioxide , nanoporous , copper , carbon dioxide , materials science , titanium , inorganic chemistry , hydrolysis , metal , electrochemical reduction of carbon dioxide , tin dioxide , chemical engineering , catalysis , chemistry , nuclear chemistry , metallurgy , nanotechnology , organic chemistry , carbon monoxide , engineering
A series of metallic copper (Cu)‐decorated microsized, nanoporous titanium dioxide (TiO 2 ) materials with different loadings of Cu were synthesized by in situ hydrolysis of Sn 2+ ‐grafted titanium glycolate microspheres in the presence of Cu 2+ ions. The resulting materials showed good photocatalytic activity for CO 2 reduction with water. In particular, the material prepared with an optimal loading of Cu (≈0.4 wt %) exhibited the highest photocatalytic activity for the reduction of CO 2 to hydrocarbon fuel (CH 4 ), with an efficiency that was 21‐fold higher than that of the most commonly studied and utilized commercial photocatalyst, Degussa P25 TiO 2 , under similar reaction conditions.