[BMIM]PF6离子液体中GO/CuO/CeO<sub>2</sub>催化剂的制备及可见光活性

doi:10.11896/cldb.19080079

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Abstract Pure CeO₂ and a series of GO/CuO/CeO₂ photocatalysts were prepared with the assist of [BMIM]PF6 ionic liquid. X-ray diffraction, scanning electron microscopy, accelerated surface area and porosimetry system, and UV-Visible diffuse reflectance spectra were used to characterize and analyze the samples. The influence of different GO and CuO doping amounts on the hydrogen production activity of GO/CuO/CeO₂ composite catalyst under the irradiation of visible light was studied. The experimental results showed that the hydrogen production efficiency of composite samples was significantly better than that of pure CeO₂, and the hydrogen production rate reached 111.23 μmol·h^-1·g^-1 when the GO load was 2wt% and the CuO load was 3wt%, which was 2.5 times of the pure CeO₂, the quantum yields of the composite sample was 15.67%.

Key words： ionic liquid visible-light photocatalytic hydrogen production CeO₂

Published: 12 September 2020

CLC number:

O643

Fund:This work was financially supported by the National Natural Science Foundation of China(51674161), Shandong Provincial Education Exchange Association for International Exchanges.

About author:: Xue Ligraduated from Shenyang University of Techno-logy in June 2018 with a Bachelor of Engineering degree. From September 2018 to now, she studied for master's degree at Shandong University of Science and Technology. Her research interests are environmental functional materials
Yan Zhangreceived her Ph.D. degree from Donghua University and Commonwealth Scientific and Industrial Research Organization(CSIRO,Australia)in 2009. She is currently an associate professor in Shandong University. Her research interests are environmental functional materials and wastewater treatment.

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	LI Xue
	ZHANG Yan
	ZHANG Yuyan
	SONG Fengjuan
	ZHAO Xiaohan
	Akanyange Stephen Nyabire
	CAO Xiaoqiang
	LYU Xianjun

Cite this article:

LI Xue,ZHANG Yan,ZHANG Yuyan, et al. Preparation and Visible-light Photocatalytic Activity of GO/CuO/CeO₂ Photocatalysts in [BMIM]PF6[J]. Materials Reports, 2020, 34(18): 18019-18024.

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http://www.mater-rep.com/EN/10.11896/cldb.19080079 OR http://www.mater-rep.com/EN/Y2020/V34/I18/18019

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