Facile route to silver submicron-sized particles and their catalytic activity towards 4-nitrophenol reduction

被引：42
作者：
Jiang, Deli [1 ]
Xie, Jimin [1 ]
Chen, Min [1 ]
Li, Di [1 ]
Zhu, Jianjun [1 ]
Qin, Huiru [1 ]
机构：
[1] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 05期
关键词：
Silver; Submicroparticle; EDTA; Catalytic activity; NANOPARTICLES; NANOWIRES; SCATTERING; NANOSTRUCTURES; SHAPES;
D O I：
10.1016/j.jallcom.2010.10.107
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 facile, efficient, and environmentally friendly synthetic route was developed to fabricate silver submicron-sized particles by reducing silver nitrate with EDTA in aqueous solution. X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), and transmission electron microscopy (TEM) analysis revealed the formation of silver particles, with sizes ranging from 100 to 800 nm. By varying the amount of EDTA utilized in the reaction medium and/or hydrothermal reaction time, the size of prepared silver particles can be readily controlled. Compared with silver nanoparticles, the assynthesized submicron-sized silver particles were found to show a comparable catalytic activity towards the reduction of 4-nitrophenol to 4-aminophenol in the presence of an excess amount of NaBH4. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1975 / 1979
页数：5
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