期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 22, 期 34, 页码 17900-17905出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm32686h
关键词
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资金
- National Natural Science Foundation of China [20873044]
- Foundation for Distinguished Young Talents in Higher Education of Guangdong, China [LYM09100]
- Research Fund of The Guangdong Provincial Laboratory of Green Chemical Technology, China [GC201102]
- Ph.D. Startup Programs Foundation of Zhanjiang Normal University [ZL1102, ZL0903]
A carbon nitride/TiO2 nanotube array (CN/TNT) heterojunction photocatalyst with visible-light response was prepared by a simple electrochemical method. The photocatalyst was characterized by Xray powder diffraction (XRD), field-emission scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FT-IR). The photoelectrochemical properties and photocatalytic activities of the obtained-samples were systematically tested under visible light irradiation. The activity of heterojunction photocatalyst CN/TNTs is higher than that of TNTs. The obviously increased performance of CN/TNTs is ascribed mainly to enhancement of electron hole separations both at the interface and in the semiconductors.
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