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Lin Song
Lin Song
Department of Environmental Engineering, Jinan University, West of Huangpu Road 601, Guangzhou 510632, People's Republic of China
Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation, Department of Education of Guangdong Province, West of Huangpu Road 601, Guangzhou 510632, People's Republic of China
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Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation, Department of Education of Guangdong Province, West of Huangpu Road 601, Guangzhou 510632, People's Republic of China
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Xin Zhang
Xin Zhang
Department of Environmental Engineering, Jinan University, West of Huangpu Road 601, Guangzhou 510632, People's Republic of China
Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation, Department of Education of Guangdong Province, West of Huangpu Road 601, Guangzhou 510632, People's Republic of China
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Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation, Department of Education of Guangdong Province, West of Huangpu Road 601, Guangzhou 510632, People's Republic of China
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Xiaolong Zeng
Xiaolong Zeng
Department of Environmental Engineering, Jinan University, West of Huangpu Road 601, Guangzhou 510632, People's Republic of China
Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation, Department of Education of Guangdong Province, West of Huangpu Road 601, Guangzhou 510632, People's Republic of China
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Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation, Department of Education of Guangdong Province, West of Huangpu Road 601, Guangzhou 510632, People's Republic of China
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Abstract
Polymer-modified TiO2 was found to be a new, efficient photocatalyst for the photodegradation of organic pollutants. Another novel sensitizer-poly(fluorene-co-bithiophene) (PFB) was presented in this study. Varying the bithiophene content of PFB from 10, 20, 33, 40 to 50% in molar ratio, a series of copolymers (PFB10, PFB20, PFB33, PFB40 and PFB50) were prepared and used as the sensitizers for TiO2. The photodegradation rates of phenol catalyzed by these polymer-modified titanium dioxide composites under the irradiation of the GaN LED clusters were investigated. It was found that PFB33-modified TiO2 was the most efficient photocatalyst although the absorption spectrum of PFB50 was broader than that of PFB33.
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