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Photo Catalytic Performance of Octahedral Bipyramids Titanium Oxide/Carbon Quantum Dots and Nanosheet Titanium Oxide/Carbon Quantum Dots
Author NameAffiliationE-mail
WU Bing-Zhao Department of Chemistry, and Key Laboratory of Advanced Textiles Materials and Manufacture Technology of the Ministry of Education, and Engineering Research Center for Eco-Dyeing and Finishing of Textiles of the Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China  
HUANG Hong-Qin Department of Chemistry, and Key Laboratory of Advanced Textiles Materials and Manufacture Technology of the Ministry of Education, and Engineering Research Center for Eco-Dyeing and Finishing of Textiles of the Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China  
JIANG Cai-Ying Institute of Life Science, Zhejiang Sci-Tech University, Hangzhou 310018, China  
WANG Hui-Gang Department of Chemistry, and Key Laboratory of Advanced Textiles Materials and Manufacture Technology of the Ministry of Education, and Engineering Research Center for Eco-Dyeing and Finishing of Textiles of the Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China zdwhg@163.com 
ZHENG Xu-Ming Department of Chemistry, and Key Laboratory of Advanced Textiles Materials and Manufacture Technology of the Ministry of Education, and Engineering Research Center for Eco-Dyeing and Finishing of Textiles of the Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China  
Abstract: Carbon quantum dots doped octahedral bipyramids TiO2 with high exposed (101) reactive facets and carbon quantum dots doped nanosheets TiO2 with high exposed (001) reactive facets were successfully fabricated by facile solvothermal process. The catalysts were characterized using TEM,XRD and XPS measurements. They confirm that the carbon quantum dots were uniformly integrated to TiO2. The catalytic activity of the as-prepared catalysts in degradation of rhodamine B in aqueous solution under visible light irradiation (λ ≥ 400 nm) was systematically investigated. The experiments show that the doping of carbon quantum dots in TiO2 can substantially improve the photo degradation efficiency relative to pure TiO2, both for octahedral bipyramids TiO2 and nanosheets TiO2. Generally, the photodegradation efficiency of (101) facet exposed octahedral bipyramids TiO2 is prevailing over that of (001) facet exposed nanosheets TiO2.
Keywords: octahedral bipyramids TiO2  nanosheets TiO2  carbon quantum dots  photodegradation  solvothermal process
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WU Bing-Zhao,HUANG Hong-Qin,JIANG Cai-Ying,WANG Hui-Gang,ZHENG Xu-Ming.Photo Catalytic Performance of Octahedral Bipyramids Titanium Oxide/Carbon Quantum Dots and Nanosheet Titanium Oxide/Carbon Quantum Dots[J].Chinese Journal of Inorganic Chemistry,2020,36(3):443-450.
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Chinese Journal of Inorganic Chemistry