Synthesis, characterization and photocatalytic activity of LaMnO3 nanoparticles

被引：107

作者：

Shaterian, Maryam ^{[1
]}

Enhessari, Morteza ^{[2
]}

Rabbani, Davarkhah ^{[3
]}

Asghari, Morteza ^{[4
]}

Salavati-Niasari, Masoud ^{[5
]}

机构：

[1] Univ Zanjan, Fac Sci, Dept Chem, Zanjan 4537138791, Iran

[2] Islamic Azad Univ, Naragh Branch, Dept Chem, Naragh, Iran

[3] Kashan Univ Med Sci, Sch Hlth, Dept Environm Hlth Engn, Kashan, Iran

[4] Univ Kashan, Dept Engn, SPRG, Kashan, Iran

[5] Univ Kashan, Inst Nano Sci & Nano Technol, Kashan, Iran

来源：

APPLIED SURFACE SCIENCE | 2014年 / 318卷

关键词：

LaMnO3; Nanoparticles; Semiconductor; Sol gel process; Photocatalytic activity; ELECTRONIC-STRUCTURE; OPTICAL-PROPERTIES; EFFICIENT; DEGRADATION; HYDROCARBONS; PERFORMANCE; OXIDATION; CATALYSTS;

D O I：

10.1016/j.apsusc.2014.03.087

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：

Visible-light sensitive LaMnO3 nanoparticles were synthesized via sol-gel process using stearic acid as complexing reagent. Characterizations of the resulting powders were carried out by means of X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and diffuse reflectance spectroscopy (DRS). Further, the photocatalytic activity of LaMnO3 was evaluated by degradation of methyl orange in aqueous solution under visible-light irradiation. The prepared nanoparticles showed excellent visible-light photocatalytic ability for the degradation of methyl orange so that, 60 ppm of nanoparticles can decolorizes the methyl orange solution (6 ppm) up to 98% in 90 min. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：213 / 217

页数：5

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