Fabrication of graphene oxide decorated with Au-Ag alloy nanoparticles and its superior catalytic performance for the reduction of 4-nitrophenol

被引：126

作者：

Wu, Tao ^{[1
]}

Zhang, Lei ^{[1
]}

Gao, Jianping ^{[1
]}

Liu, Yu ^{[1
]}

Gao, Chunjuan ^{[2
]}

Yan, Jing ^{[1
]}

机构：

[1] Tianjin Univ, Sch Sci, Tianjin 300072, Peoples R China

[2] State Ocean Adm, Inst Tianjin Seawater Desalinat & Multipurpose Ut, Tianjin 300192, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2013年 / 1卷 / 25期

基金：

美国国家科学基金会;

关键词：

FACILE SYNTHESIS; SILVER NANOPARTICLES; GOLD NANOPARTICLES; MECHANISM; PHASE; PD;

D O I：

10.1039/c3ta10684e

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：

Using graphene oxide (GO) as both a reducing agent and a support, a two-step method was used to fabricate GO decorated with Au-Ag alloy nanoparticles with an Au-rich shell. The material exhibited excellent catalytic activity for the reduction of 4-nitrophenol to 4-aminophenol in water at room temperature and its activity was superior to that of GO decorated with Au-Ag alloy nanoparticles that was prepared by a one-step method and GO decorated with either Au or Ag nanoparticles alone.

引用

页码：7384 / 7390

页数：7

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