Au nanoparticles enhanced rutile TiO2 nanorod bundles with high visible-light photocatalytic performance for NO oxidation

被引：118

作者：

Zhang, Dieqing ^{[1
]}

Wen, Meicheng ^{[1
]}

Zhang, Shanshan ^{[1
]}

Liu, Peijue ^{[1
]}

Zhu, Wei ^{[1
]}

Li, Guisheng ^{[1
]}

Li, Hexing ^{[1
]}

机构：

[1] Shanghai Normal Univ, Dept Chem, Shanghai Key Lab Rare Earth Funct Mat, Educ Minist,Key Lab Resource Chem, Shanghai 200234, Peoples R China

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2014年 / 147卷

关键词：

NO; Oxidation; Photocatalysis; Rutile; TiO2; SELECTIVE CATALYTIC-REDUCTION; MESOPOROUS TITANIA; OXYGEN VACANCY; GOLD CLUSTERS; DEGRADATION; SURFACE; CO; REMOVAL; ANATASE;

D O I：

10.1016/j.apcatb.2013.09.042

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：

A novel Au/TiO2 visible photocatalyst with Au nanoparticles (NPs) uniformly dispersed onto rutile TiO2 nanorod bundles was developed and used in photocatalytic NO oxidation for air cleaning. The Au NPs photosensitized TiO2 in visible-light area via plasma effect. They also reduced photoelectron-hole recombination by accelerating electron transfer and promoted NO molecule activation via strong adsorption. The TiO2 acted as a semiconductor photocatalyst and its nanorod bundle structure promoted light harvest by multiple reflections. Moreover, it also acted as a support to highly disperse and stabilize Au nanopatides. These cooperative promoting effects resulted in the high activity and strong durability of Au/TiO2 in photocatalytic NO oxidation. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：610 / 616

页数：7

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