Microwave-assisted hydrothermal synthesis of type II ZnSe/ZnO heterostructures as photocatalysts for wastewater treatment

被引：7

作者：

Arellano-Cortaza, M. ^{[1
]}

Ramirez-Morales, E. ^{[1
]}

Castillo, S. J. ^{[2
]}

Lartundo-Rojas, L. ^{[3
]}

Zamudio-Torres, I. ^{[1
]}

Alejandro, E. M. Lopez ^{[1
]}

Rojas-Blanco, L. ^{[1
]}

机构：

[1] Univ Juarez Autonoma Tabasco, Ave Univ S-N Zona Cultura,Colonia Magisterial, Villahermosa 86690, Tabasco, Mexico

[2] Univ Sonora, Dept Invest Fis, Blvd Luis Encinas & Rosales S-N, Hermosillo 83000, Sonora, Mexico

[3] Inst Politecn Nacl, Ctr Nanociencias & Micro Nanotecnol, Ave Luis Enr Enrique Erro S-N, Mexico City 07738, Mexico

来源：

CERAMICS INTERNATIONAL | 2023年 / 49卷 / 14期

关键词：

Zinc oxide; Zinc selenide; Semiconductors; Photocatalyst; Heterostructure; ZNO THIN-FILMS; ZNO/ZNSE HETEROSTRUCTURES; GREEN SYNTHESIS; NANOPARTICLES; DEGRADATION; PERFORMANCE; FABRICATION; REDUCTION; 4-NITROPHENOL; COMPOSITES;

D O I：

10.1016/j.ceramint.2023.05.009

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The ZnSe/ZnO heterostructures were synthesized with the microwave-assisted hydrothermal method, using zinc acetate and zinc nitrate as a source of Zn2+ ions. Materials were characterized by X-ray diffraction (XRD), X-ray photoemitted electron spectroscopy (XPS), Raman spectroscopy, and scanning electron microscopy (SEM). The incorporation of ZnSe into the ZnO matrix produced changes both in the size of the ZnO crystallites and in the lattice parameters. Optical and texture analyses revealed that ZnSe particles cause a decrease in gap energy and a greater than 90% increase in the specific surface area of ZnSe/ZnO heterostructures compared to bare ZnO particles. ZnSe/ZnO heterostructures synthesized using zinc acetate as a Zn ion source exhibited better photocatalytic performance in visible light compared to pure ZnO.

引用

页码：24027 / 24037

页数：11

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