Solution combustion synthesis of heterostructure bismuth titanate nanocomposites: Structural phases and its correlation with photocatalytic activity

被引：11
作者：
Bhange, P. D. [1 ,2 ]
Shinde, D. S. [1 ]
Bhange, D. S. [1 ]
Gokavi, G. S. [1 ]
机构：
[1] Shivaji Univ, Dept Chem, Kolhapur 416004, Maharashtra, India
[2] Sanjay Ghodawat Univ, Sch Sci, Kolhapur 416118, Maharashtra, India
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2018年 / 43卷 / 02期
关键词：
Bi2O3/TiO2 mixed metal oxide; Nanocomposites; Combustion synthesis; Dye degradation; Water splitting; HYDROGEN-PRODUCTION; PROPERTY; TIO2; BI12TIO20; DEGRADATION; BETA-BI2O3; CARBON; BI2O3; H-2; CDS;
D O I：
10.1016/j.ijhydene.2017.10.150
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：
Bi2O3/TiO2 nanocomposites were prepared by simple and cost effective solution combustion synthesis route. The structural, textural, surface composition and optical properties of Bi2O3/TiO2 solid solutions are influenced by the type of fuel, viz., urea and glycine used in the combustion process and its concentration. The prepared materials were characterized by powder XRD, SEM, TEM, UV vis, photoluminescence and N-2 adsorption study. The obtained materials were evaluated for the photocatalytic degradation of methylene blue and water splitting reaction for H-2 generation under visible light irradiation. The BT-5 sample shows high photocatalytic activity which may be due to the supressed recombination of photo-generated electron hole pairs and the appropriate lattice match by the formation of Bi4Ti3O12-beta-Bi2O3 p-n heterojunction phases. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：708 / 720
页数：13
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