A scalable synthesis technique of novel AgBr microcrystal and its visible light photocatalytic performance

被引：20

作者：

Dai, Kai ^{[1
]}

Lu, Luhua ^{[2
,3
]}

Zhu, Guangping ^{[1
]}

Liu, Zhongliang ^{[1
]}

Liu, Qinzhuang ^{[1
]}

Chen, Zheng ^{[3
]}

机构：

[1] Huaibei Normal Univ, Coll Phys & Elect Informat, Huaibei 235000, Peoples R China

[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

[3] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Peoples R China

来源：

MATERIALS LETTERS | 2012年 / 87卷

基金：

中国国家自然科学基金;

关键词：

AgBr; Powder technology; Microstructure; Synthesis; Photodegradation; IRRADIATION; COMPOSITE; TIO2;

D O I：

10.1016/j.matlet.2012.07.074

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, unique AgBr microcrystals with high aspect ratio were successfully synthesized by a facile hydrothermal process at 150 degrees C. The morphological and structural observations and crystallinity of the products grown were carried out using scanning electron microscopy (SEM), X-ray diffraction (XRD), energy dispersive spectrometer (EDS) and X-ray photoelectron spectra (XPS). The results showed that the products with three cracks are uniform and very pure. Methylene blue (MB) was employed as a representative dye pollutant to evaluate the visible light photocatalytic activity of AgBr using 450 nm LED light. The photocatalytic reaction follows first-order kinetics and the rate constant for the degradation of MB photocatalyzed by AgBr is much more than that of commercial P25. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved.

引用

页码：94 / 96

页数：3

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