Magnetically separable ternary g-C3N4/Fe3O4/BiOI nanocomposites: Novel visible-light-driven photocatalysts based on graphitic carbon nitride

被引：261
作者：
Mousavi, Mitra [1 ]
Habibi-Yangjeh, Aziz [1 ]
机构：
[1] Univ Mohaghegh Ardabili, Dept Chem, Fac Sci, Ardebil, Iran
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2016年 / 465卷
关键词：
g-C3N4/Fe3O4/BiOI; Magnetic photocatalyst; Visible-light-driven; Dye pollutants; P-N HETEROJUNCTION; HIGHLY EFFICIENT; IRRADIATION; FACILE; DEGRADATION; PERFORMANCE; NANOPARTICLES; AGBR; COMPOSITES; POLLUTANTS;
D O I：
10.1016/j.jcis.2015.11.057
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：
The present work demonstrates preparation of magnetically separable ternary g-C3N4/Fe3O4/BiOI nanocomposites as novel visible-light-driven photocatalysts. The resultant samples were characterized using XRD, EDX, SEM, TEM, UV-Vis DRS, FT-IR, PL, BET, and VSM techniques. The results revealed that weight percent of BiOI has considerable effect on photodegradation of rhodamine B under visible-light irradiation. Among the prepared samples, the g-g-C3N4/Fe3O4/BiOI (20%) nanocomposite has the best photocatalytic activity. The activity of this nanocomposite is about 10, 22, and 21-fold higher than that of the g-C3N4 sample in degradation of rhodamine B, methylene blue, and methyl orange under the visible-light irradiation. The excellent activity of the magnetic nanocomposite was attributed to more harvesting of the visible-light irradiation and efficiently separation of the electron-hole pairs. More importantly, the nanocomposite was magnetically separated after five successive cycles. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码：83 / 92
页数：10
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