Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 114, Issue 13, Pages 6157-6162Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp906550t
Keywords
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Funding
- Japan Science and Technology Agency (JST)
- National Natural Science Foundation of China [20528302]
- National Basic Research Program of China (973 program) [2007CB613305]
- China-Japan cooperation project of science and technology [2009DFA61090]
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NaNbO3 rods modified by In2O3 nanoparticles (In2O3/NaNbO3) were successfully synthesized by an improved coprecipitation method, and they were found to be advantageous for photocatalytic H-2 evolution under visible light irradiation and pure water splitting under ultraviolet light irradiation. The composites were characterized by X-ray diffraction, UV-vis diffuse reflectance spectrometry, Brunauer-Emmett-Teller measurement, scanning electron microscopy, energy-dispersive spectrometry, and transmission electron microscopy. With use of the electrochemical and valence band X-ray photoelectron spectroscopy analysis, the improvement of the photocatalytic activity was attributed to the promoted transportation of photoexcited holes in the composite.
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