NiTiO3/Ag3PO4 composites with improved photocatalytic activity under visible-light irradiation

被引：23
作者：
Zhao, Gao-yu [1 ]
Zhang, Yu [1 ]
Jiang, Lin [1 ]
Zhang, Hong-mei [1 ]
机构：
[1] Guizhou Univ Engn Sci, Coal Chem Engn Collaborat Innovat Ctr Guizhou Pro, Key Lab Appl Chem Guizhou Prov, Sch Chem Engn, Bijie 551700, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2017年 / 43卷 / 03期
关键词：
Photocatalysis; Photodegradation; Ag3PO4; NiTiO3; Composite; AG3PO4; SUB-MICROCRYSTALS; HETEROSTRUCTURE PHOTOCATALYST; HIGHLY EFFICIENT; SEMICONDUCTOR; STABILITY; WATER; HETEROJUNCTION; DEGRADATION; FABRICATION;
D O I：
10.1016/j.ceramint.2016.11.169
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：
A series of NiTiO3/Ag3PO4 composites were prepared by a simple ion-exchange deposition method. The composition and morphology of the samples were determined by XRD, EDS and SEM. UV vis DRS was used to characterize their optical absorption properties. The loading of NiTiO3 could promote the efficient separation of photoinduced electron-hole pairs and enhance the charge carrier transport to improve the photocatalytic activity. The APO-5 composite exhibited the best photocatalytic activity for the degradation of methyl violet (MV). Kinetics studies indicated that the APO-5 composite showed an apparent rate constant of 0.115 min(-1), which was 2.61 times that of pure Ag3PO4.
引用
收藏
页码：3314 / 3318
页数：5
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