Journal
CATALYSIS COMMUNICATIONS
Volume 57, Issue -, Pages 115-118Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2014.08.007
Keywords
Photocatalyst; In situ photodeposition; Overall water splitting; Oxygen active site
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Funding
- National High Technology Research and Development Program of China [2012AA051501]
- National Key Basic Research and Development Program [2009CB220000]
- National Natural Science Foundation of China [51072116]
- Shanghai Municipal Science and Technology Commission [12160705700]
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Pt and Rh (oxides) were loaded on protonated layered pervoskite H1.9K0.3La0.5Bi0.1Ta2O7 by an in situ photodeposition method. It was found that, compared to Pt loading, the Rh loading facilitated the O-2 evolution and the ratio of H-2/O-2 was close to stoichiometric ratio (approximate to 2). The HRTEM and XPS analysis indicated that the Rh species loaded on HKLBT were Rh-0 and RhO2. The RhO2 loaded on HKLBT could provide the active sites for O-2 evolution by means of reducing the overpotential of O-2 evolution. (C) 2014 Elsevier B.V. All rights reserved.
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