CuOx-TiO2 junction: what is the active component for photocatalytic H2 production?

被引：107

作者：

Wang, Zhonglei ^{[1
]}

Liu, Yuanxu ^{[1
]}

Martin, David James ^{[2
]}

Wang, Wendong ^{[1
]}

Tang, Junwang ^{[2
]}

Huang, Weixin ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Chem Phys, Hefei Natl Lab Phys Sci Microscale, CAS Key Lab Mat Energy Convers, Hefei 230026, Peoples R China

[2] UCL, Dept Chem Engn, London WC1E 7JE, England

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2013年 / 15卷 / 36期

基金：

中国国家自然科学基金;

关键词：

TIO2 NANOTUBE PHOTOCATALYST; HYDROGEN-PRODUCTION; IN-SITU; CU; DECOMPOSITION; GENERATION; CATALYST;

D O I：

10.1039/c3cp52496e

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

CuOx based junctions e. g. CuOx-TiO2 have been demonstrated to be very effective in photocatalytic H-2 production, but the active component at the junction is less understood. We herein report that an as-prepared CuOx-TiO2 photocatalyst undergoes an in situ restructuring process during photocatalytic H-2 production under solar light irradiation to form the active Cu2O-TiO2 interfacial structure on the surface. These results unambiguously demonstrate that Cu2O is the active copper species in CuOx-TiO2 photocatalysts.

引用

页码：14956 / 14960

页数：5

共 32 条

[1] Highly stable CuO incorporated TiO2 catalyst for photocatalytic hydrogen production from H2O
Bandara, J
Udawatta, CPK
Rajapakse, CSK
[J]. PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 2005, 4 (11) : 857 - 861
[2] Crystal-Plane-Controlled Surface Restructuring and Catalytic Performance of Oxide Nanocrystals
Bao, Huizhi
Zhang, Wenhua
Hua, Qing
Jiang, Zhiquan
Yang, Jinlong
Huang, Weixin
[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2011, 50 (51) : 12294 - 12298
[3] Supported Metal Oxide Nanosystems for Hydrogen Photogeneration: Quo Vadis?
Barreca, Davide
Carraro, Giorgio
Gombac, Valentina
Gasparotto, Alberto
Maccato, Chiara
Fornasiero, Paolo
Tondello, Eugenio
[J]. ADVANCED FUNCTIONAL MATERIALS, 2011, 21 (14) : 2611 - 2623
[4] Hydrogen production from methanol/water decomposition in a liquid photosystem using the anatase structure of Cu loaded TiO2
Choi, Hyung-Joo
Kang, Misook
[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2007, 32 (16) : 3841 - 3848
[5] Cu2O:: a catalyst for the photochemical decomposition of water?
de Jongh, PE
Vanmaekelbergh, D
Kelly, JJ
[J]. CHEMICAL COMMUNICATIONS, 1999, (12) : 1069 - 1070
[6] Photoelectrochemistry of electrodeposited Cu2O
de Jongh, PE
Vanmaekelbergh, D
Kelly, JJ
[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2000, 147 (02) : 486 - 489
[7] Non-noble metal Cu-loaded TiO2 for enhanced photocatalytic H2 production
Foo, Wei Jian
Zhang, Chun
Ho, Ghim Wei
[J]. NANOSCALE, 2013, 5 (02) : 759 - 764
[8] CuOx-TiO2 Photocatalysts for H2 Production from Ethanol and Glycerol Solutions
Gombac, Valentina
Sordelli, Laura
Montini, Tiziano
Delgado, Juan J.
Adamski, Andrzej
Adami, Gianpiero
Cargnello, Matteo
Bernal, Seralin
Fornasiero, Paolo
[J]. JOURNAL OF PHYSICAL CHEMISTRY A, 2010, 114 (11) : 3916 - 3925
[9] Controllable proton and CO2 photoreduction over Cu2O with various morphologies
Handoko, Albertus D.
Tang, Junwang
[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2013, 38 (29) : 13017 - 13022
[10] Cu2O as a photocatalyst for overall water splitting under visible light irradiation
Hara, M
Kondo, T
Komoda, M
Ikeda, S
Shinohara, K
Tanaka, A
Kondo, JN
Domen, K
[J]. CHEMICAL COMMUNICATIONS, 1998, (03) : 357 - 358

← 1 2 3 4 →