Li2MnO3/LiMnBO3/MnFe2O4 ternary nanocomposites: Pechini synthesis, characterization and photocatalytic performance

被引：14

作者：

Ranjeh, Mahdi ^{[1
]}

Masjedi-Arani, Maryam ^{[1
]}

Amiri, Omid ^{[2
]}

Salavati-Niasari, Masoud ^{[1
]}

机构：

[1] Univ Kashan, Inst Nano Sci & Nano Technol, POB 87317-51167, Kashan, Iran

[2] Univ Raparin, Coll Sci, Dept Chem, Ranya, Kurdistan Regio, Iran

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2020年 / 45卷 / 41期

基金：

美国国家科学基金会;

关键词：

Nanocomposite; Pechini sol-gel; Photocatalytic activity; Gelating agent; SOL-GEL SYNTHESIS; ELECTROCHEMICAL PERFORMANCE; CATHODE MATERIAL; WASTE-WATER; COMPOSITE; LIMNBO3; DEGRADATION; COMPOUND; REMOVAL; SPINEL;

D O I：

10.1016/j.ijhydene.2020.05.147

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Li2MnO3/LiMnBO3/MnFe2O4 ternary nanocomposites were synthesized via modified pechini sol-gel approach employing the mixture of metal cations, boric acid, ethylene glycol and ethylene diamine tetra acetic acid gelating agent. Shape and size of nano-composites was controlled by changing molar ratio of metal ions, ethylene glycol and gelating agent. In order to confirmation of crystalline and structural features of products, analyses of X-ray diffraction, Fourier transform infrared and energy dispersive X-ray were carried out. Scanning electron microscopy and transmission electron microscopy images were taken for morphology investigation of nanostructure products. Band-gap of ternary nanocomposites calculated by UV-Vis data is 2.6 eV. Magnetic property of Li2MnO3/LiMnBO3/MnFe2O4 ternary nanocomposites investigated through vibrating sample magnetometer presents ferromagnetic behavior. Moreover, photocatalytic activity of Li2MnO3/LiMnBO3/MnFe2O4 and Li2MnO3/LiMnBO3 nanocomposites was investigated in aqueous solution via UV and visible light for degradation acid red 88 dye. Some effective parameters such as dye concentration, irradiation and nanocomposite type were evaluated for optimum removal of water pollutant dye. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：21241 / 21251

页数：11

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