Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 113, Issue 33, Pages 14829-14833Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp905559m
Keywords
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Funding
- Project of Cultivating Innovative Talents for Colleges and Universities of Henan Province [2002006]
- Natural Science foundation of Department of Education of Henan Province [20091348003]
- Key Technologies R & D Program of Henan Province [092102210005]
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The N-doped NaNbO3 samples sensitized by carbon nitrides are synthesized via heating the mixture of NaNbO3 powders and urea at different weight ratios, and their photocatalytic activities are evaluated by the photodegradation of Rhodamine B under full arc Xe lamp irradiation. These samples are characterized by X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, UV-vis diffuse reflectance spectroscopy and scanning electron microscope. These investigations reveal that the samples contain N-doped NaNbO3 and sensitizer of carbon nitride. fit comparison with pristine NaNbO3, the sample prepared at the weight ratio of NaNbO3 to Urea of 1:60 shows a significantly enhanced photocatalytic activity. These results demonstrate that the metal-free carbon nitride could work as a photosensitizer, leading to an enhancement of photocatalytic activity due to the more light harvesting and efficient electron transfer between the N-doped NaNbO3 and carbon nitride.
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