期刊
ENVIRONMENTAL SCIENCE & TECHNOLOGY
卷 44, 期 9, 页码 3500-3504出版社
AMER CHEMICAL SOC
DOI: 10.1021/es1001264
关键词
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资金
- National Natural Science Foundation of China
- 973 Program [2007CB613306]
- Program for New Century Excellent Talents in University of China [NCET-07-0192]
- Program for Changjiang Scholars and Innovative Research Team in University [PCSIRT0818]
- Natural Science Foundation of Fujian Province [2008H0089]
- SRPEB of Fujian [JK2009031]
A ZnGe oxynitride semiconductor was prepared by a solid-state reaction using GeO2 and ZnO under NH3 flow. The catalyst was used as a visible-light photocatalyst for the decomposition of organic compounds in polluted water. The physicochemical properties of the synthesized ZnGe oxynitride photocatalysts were characterized by several techniques, and aqueous photocatalytic activity was evaluated via the decomposition of model organic compounds including Rhodamine B, Methyl orange, Methylene blue, 4-chlorophenol, and salicylic acid. The results demonstrate that ZnGe oxynitride can photocatalytically oxidize organic pollutants in aqueous solution under visible light irradiation, suffering no obvious catalyst deactivation during reaction testing. The possible active species in the photocatalytic process are also discussed.
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