Synthesis of porphyrin sensitized TiO2/graphene and its photocatalytic property under visible light

被引：18

作者：

Ruan, Chaohui ^{[1
]}

Zhang, Longfei ^{[1
]}

Qin, Yeling ^{[1
]}

Xu, Chen ^{[1
]}

Zhang, Xiaobo ^{[1
]}

Wan, Junmin ^{[1
]}

Peng, Zhiguang ^{[2
]}

Shi, Jianjun ^{[1
]}

Li, Xiaoyun ^{[1
]}

Wang, Lina ^{[1
]}

机构：

[1] Zhejiang Sci Tech Univ, Dept Phys, Hangzhou 310018, Zhejiang, Peoples R China

[2] Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China

来源：

MATERIALS LETTERS | 2015年 / 141卷

基金：

中国国家自然科学基金;

关键词：

Structural; Nanocomposite; Photocatalyst; Porphyrin; Graphene;

D O I：

10.1016/j.matlet.2014.11.095

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel porphyrin sensitized TiO2/graphene photocatalyst was synthesized via a simple method using TiO2 nanowires, reduced graphene oxide and porphyrin. Reduced graphene oxide sheets are an excellent conductor that can inhibit the charge recombination and enhance the electron-hole separation of modified TiO2 nanowires. Porphyrin sensitized on TiO2 nanowires acts as a sensibilizer to increase the light absorption of the photocatalyst. The composite with a large superficial area shows improved photocatalytic property to decompose methylene blue under visible light irradiation. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：362 / 365

页数：4

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