新型FeWO<sub>4</sub>@ZnS异质结微球制备及其光催化降解四环素和亚甲基蓝研究

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Abstract Photocatalysis as an emerging advanced oxidation processes have enormous merits in environment purification area. The novel FeWO₄@ZnS heterostructure microspheres were fabricated by a two-step hydrothermal method and the analysis of SEM and XRD shown that the ZnS microspheres were assembled by small ZnS nanoparticles. EDS elements mapping shown that the FeWO₄ nanoparticles were uniformly loa-ded on the surface of ZnS microspheres. The photocatalytic performance towarding to the azo dye MB and newly-developing TC were conducted in the case of UV-visible light, visible light and photo-Feton system. Results indicated that the heterostructure microspheres exhibits better activity compared with pure samples in three different system. The enhancement of photocatalytic can attributed to the presence of heterostructure which restrains the recombination of photoinduced electrons and holes and accelerates the interface transfer of photogenerated carriers. In addition, the possible electrons transfer mechanism of enhanced photodegradation performance were proposed. This novel and efficiency FeWO₄@ZnS heterostructure photocatalyst may possesses potential application in the future environmental purification area.

Key words： photocatalysis FeWO₄@ZnS heterostructure microsphere TC MB

Published: 08 January 2021

CLC number:

O643

About author:: Chang Liu, master, under the supervision of Professor Lu Huihong, the main research direction is engaged in the preparation, modification, characterization and environmental science of environmental functional mate-rials and engineering applications. During undergraduate study, published four academic papers in journals such as Materials Letters, Journal of Environmental Chemical Engineering, and Functional Materials as the first author, and participated in one National Natural Science Foundation. Now studying in School of Resources and Environmental Engineering, Wuhan University of Technology, pursuing a doctoral degree.Huihong Lyu, professor and doctoral supervisor of Anhui University of Technology, the research direction were development and application of new carbon-based materials, green and large-scale utilization of secondary resources and technology integration, environmental chemical engineering. The main scientific research achievements: 3 typical recycling strategies of green short flow for secondary resources were established: (1) The titanium-bearing furnace slag was directly constructed as a new low temperature and efficient photothermal coupling SCR denitrification catalyst;(2) Titanium-containing blast furnace slag directly constructs pie-zoelectric cementitious materials for the health detection of intelligent roads and building structures;(3) Titanium-bearing furnace slag is used to prepare compound fertilizer with soil remediation function (heavy metal/organic pollutant pollution) at low cost. He has presided over and completed 2 National Natural Science Foundation projects, 1 key project of Anhui Provincial Natural Science Foundation and Anhui Provincial Department of Education, 2 industry-University-Research projects. In recent years, he has published more than 10 papers in academic journals such as ACS Sustain. Chem. Eng., Hydrometallurgy, and the American Metallurgical Society. He was granted 5 Chinese invention patents. He was invited to give academic reports at three domestic academic conferences and he was a special reviewer of ACS Sustain. Chem. Eng., Hydrometallurgy and other academic journals.

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	LIU Chang
	DING Bo
	YANG Xianfeng
	YE Ruixue
	JI Yilong
	DAI Bing
	LYU Huihong

Cite this article:

LIU Chang,DING Bo,YANG Xianfeng, et al. Synthesis of Novel FeWO₄@ZnS Heterostructure Microsphere and Its Photodegradation Activity for Tetracycline and Methylene Blue[J]. Materials Reports, 2020, 34(Z2): 78-83.

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http://www.mater-rep.com/EN/ OR http://www.mater-rep.com/EN/Y2020/V34/IZ2/78

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