Citation: 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. doi: 10.11862/CJIC.2020.061 shu

Photo Catalytic Performance of Octahedral Bipyramids Titanium Oxide/Carbon Quantum Dots and Nanosheet Titanium Oxide/Carbon Quantum Dots

1.
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
2.
Institute of Life Science, Zhejiang Sci-Tech University, Hangzhou 310018, China

Corresponding author: WANG Hui-Gang, zdwhg@163.com
Received Date: 1 September 2019
Revised Date: 2 December 2019

Figures(7)

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.
- octahedral bipyramids TiO₂,
- nanosheets TiO₂,
- carbon quantum dots,
- photodegradation,
- solvothermal process
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沈阳化工大学材料科学与工程学院沈阳 110142