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
收藏
页码：7384 / 7390
页数：7
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