Citation: Hong-Xia WANG, Xin-Xing LI, Yu ZHOU. Constructing and Photocatalytic Performance of Flower-like CeO₂/TiO₂ Heterostructures[J]. Chinese Journal of Inorganic Chemistry, ;2022, 38(1): 127-136. doi: 10.11862/CJIC.2022.010 shu

Constructing and Photocatalytic Performance of Flower-like CeO₂/TiO₂ Heterostructures

Hong-Xia WANG ^{1, 2,,} ,
Xin-Xing LI ^{1, 2} ,
Yu ZHOU ¹

1.
Department of Information and Engineering, Suqian University, Suqian, Jiangsu 223800, China
2.
Suqian Key Laboratory for Functional Materials, Suqian University, Suqian, Jiangsu 223800, China

Corresponding author: Hong-Xia WANG, hongxia0816@163.com
Received Date: 30 March 2021
Revised Date: 29 October 2021

Figures(13)

A kind of three-dimensional flower-like CeO₂/TiO₂ heterojunction as photocatalysts was designed by the solvothermal method. The photocatalytic activity was evaluated by the decomposition of methyl orange (MO) under xenon lamp irradiation. The results showed that the flower-like structure was composed of thin nanosheets, on which many CeO₂ particles were uniformly attached. The molar ratio of Ce to Ti (n_Ce/n_Ti) and the solvothermal time influenced on the photocatalytic performance. When n_Ce/n_Ti=0.1 and the solvothermal time was 6 h, the photocatalytic activity of CeO₂/TiO₂ reached the best, and the degradation rate reached 95% under xenon lamp irradiation for 50 min. The results suggested that the photocatalytic activity of CeO₂/TiO₂ heterojunction was greatly improved, compared to TiO₂, which was mainly the function of heterojunction formed by CeO₂ and TiO₂, and was conducive to the separation of photogenerated electrons and holes.
- heterostructure,
- photocatalysis,
- photodegradation,
- micro/nano-materials,
- semiconductor
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沈阳化工大学材料科学与工程学院沈阳 110142

Constructing and Photocatalytic Performance of Flower-like CeO2/TiO2 Heterostructures

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通讯作者: 陈斌, bchen63@163.com

Constructing and Photocatalytic Performance of Flower-like CeO₂/TiO₂ Heterostructures