Photocatalytic activity of reduced graphene oxide/SnO2 nanocomposites prepared in ionic liquid

被引：42

作者：

Tang, Lulu ^{[1
]}

Van Hoa Nguyen ^{[1
,2
]}

Lee, Yong Rok ^{[1
]}

Kim, Jihoe ^{[3
]}

Shim, Jae-Jin ^{[1
]}

机构：

[1] Yeungnam Univ, Sch Chem Engn, Kyongsan 712749, Gyeoungbuk, South Korea

[2] Nha Trang Univ, Dept Chem, Nha Trang, Vietnam

[3] Yeungnam Univ, Sch Biotechnol, Kyongsan 712749, Gyeoungbuk, South Korea

来源：

SYNTHETIC METALS | 2015年 / 201卷

关键词：

Graphene; SnO2; Nanocomposites; Microwave processing; Photocatalyst; MICROWAVE-ASSISTED SYNTHESIS; CHEMICAL-REDUCTION; SNO2; NANOPARTICLES; COMPOSITE; DEGRADATION; NANORODS; HYBRID; SHEETS; ANODE;

D O I：

10.1016/j.synthmet.2015.01.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Reduced graphene oxide/SnO2 nanocomposites were synthesized within 10 min using a facile microwave-assisted method in an ionic liquid, a clean solvent, without any reducing reagent. The tetragonal structure of SnO2 was confirmed by X-ray diffraction. Field emission scanning electron microscopy and transmission electron microscopy showed that graphene sheets were coated uniformly with SnO2 nanopaiticles with a small mean diameter of approximately 5 nm. X-ray photoelectron spectroscopy confirmed the removal of oxygenous functional groups from graphene oxide to graphene with the formation of SnO2 simultaneously. The photocatalytic activities of the as-prepared nanocomposites for the degradation of methylene blue under UV light irradiation were investigated. The nanocomposites exhibited better photodegradation efficiency than the bare SnO2 nanoparticles. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：54 / 60

页数：7

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