一步溶剂热法合成高催化性能的Gd<sup>3+</sup>掺杂氧化锌纳米晶体

doi:10.11896/cldb.20040192

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Abstract Doping has been proven effective in enhancing the catalytic activity of nanoscale zinc oxide (ZnO) to photocatalyzed reactions. In this paper, we report a facile and effective approach of synthesizing gadolinium(Ⅲ)-doped ZnO nanocrystals with high photocatalytic activity. This one-step solvothermal method uses zinc acetate and Gd(NO)₃·6H₂O as raw materials, and the Gd³⁺ concentrations of the products can be controlled by changing the amount of Gd(NO)₃·6H₂O. X-ray diffraction (XRD), scanning electron microscopy (SEM) indicated smaller particle size and more prominent agglomeration of the products with higher Gd³⁺ content, which was also supported by the Brunauer-Emmett-Teller (BET) gas adsorption measurement result. The obtained UV-vis absorption spectra proved that the absorption edges of the Gd³⁺-doped ZnO nanocomposites red-shifted and the band gaps became narrower compared to pure ZnO. Finally, according to the photocatalytic experiment results, Gd³⁺-doped ZnO nanoparticles exhibit enhanced activity toward the photocatalyzed degradation of Rhodamine-B under simulated sunlight irradiation.

Key words： zinc oxide (ZnO) nanocrystals photocatalysis doping gadolinium(Ⅲ) solvothermal method Rhodamine-B

Published: 14 July 2020

CLC number:

TQ12

Fund:This work was financially supported by the China Postdoctoral Science Foundation (2016M602746), the Fundamental Research Funds for the Central Universities (CHD300102310501), the National College Students' Innovation and Entrepreneurship Training Program (S201910710287, 201910710572), and the National Natural Science Foundation of China (61604016).

About author:: Xiaochen Yuobtained her Ph.D degree in condensed matter physics from Nankai University in Jun. 2009. She is currently an associate professor of Chang'an University and also a reviewer of several academic journals. She has published more than 30 journal papers, applied 7 national invention patents and 5 of them were autho-rized. Her team's research interests are rare earth luminescent material, photocatalytic materials and perovskite solar cells.

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	YU Xiaochen
	DANG Kuaile
	SONG Zeyu
	LI Huajian
	CAO Xin
	WU Jun
	FAN Jibin
	DUAN Li
	ZHAO Peng

Cite this article:

YU Xiaochen,DANG Kuaile,SONG Zeyu, et al. One-step Solvothermal Synthesis of Gadolinium(Ⅲ)-doped Zinc Oxide Nanoparticles with Enhanced Photocatalytic Activity[J]. Materials Reports, 2020, 34(14): 14003-14008.

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http://www.mater-rep.com/EN/10.11896/cldb.20040192 OR http://www.mater-rep.com/EN/Y2020/V34/I14/14003

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