Direct Coupling of Thermo‐ and Photocatalysis for Conversion of CO 2 –H 2 O into Fuels | Zendy

Zhang Li | Zendy; Kong Guoguo | Zendy; Meng Yaping | Zendy; Tian Jinshu | Zendy; Zhang Lijie | Zendy; Wan Shaolong | Zendy; Lin Jingdong | Zendy; Wang Yong | Zendy

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Direct Coupling of Thermo‐ and Photocatalysis for Conversion of CO 2 –H 2 O into Fuels

Author(s) -

Zhang Li,

Kong Guoguo,

Meng Yaping,

Tian Jinshu,

Zhang Lijie,

Wan Shaolong,

Lin Jingdong,

Wang Yong

Publication year - 2017

Publication title -

chemsuschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.412

H-Index - 157

eISSN - 1864-564X

pISSN - 1864-5631

DOI - 10.1002/cssc.201701472

Subject(s) - photocatalysis , water splitting , hydrogen , renewable energy , materials science , catalysis , hydrocarbon , solar energy , coupling (piping) , photocatalytic water splitting , hydrogen fuel , selectivity , renewable fuels , photochemistry , chemical engineering , chemistry , fossil fuel , organic chemistry , biology , engineering , ecology , electrical engineering , metallurgy

Photocatalytic CO 2 reduction into renewable hydrocarbon solar fuels is considered as a promising strategy to simultaneously address global energy and environmental issues. This study focused on the direct coupling of photocatalytic water splitting and thermocatalytic hydrogenation of CO 2 in the conversion of CO 2 –H 2 O into fuels. Specifically, it was found that direct coupling of thermo‐ and photocatalysis over Au−Ru/TiO 2 leads to activity 15 times higher ( T =358 K; ca. 99 % CH 4 selectivity) in the conversion of CO 2 –H 2 O into fuels than that of photocatalytic water splitting. This is ascribed to the promoting effect of thermocatalytic hydrogenation of CO 2 by hydrogen atoms generated in situ by photocatalytic water splitting.

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