Size controllable synthesis of ultrafine silver particles through a one-step reaction

被引：17
|
作者：
Liu, Tao [1 ,2 ]
Li, Dongsheng [1 ,2 ]
Yang, Deren [1 ,2 ]
Jiang, Minhua [3 ]
机构：
[1] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
[3] Shandong Univ, State Key Lab Crystal Growth, Jinan, Peoples R China
来源：
MATERIALS LETTERS | 2011年 / 65卷 / 04期
关键词：
Metals and alloys; Nanoparticles; Crystal growth; Optical materials and properties; CITRATE REDUCTION; NANOPARTICLES; SHAPE; COLLOIDS;
D O I：
10.1016/j.matlet.2010.11.037
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A simple one-step reduction method was explored to synthesize silver particles of different size. During synthesis, Polyvinylpyrrolidone (PVP) and CH2O were used as the protective agent and the reducing agent, respectively. It is found that the reaction parameters including the concentration of PVP and AgNO3, the amount of ammonia and the reaction temperature has great influence on the size and uniformity of silver particles. By careful tuning the reaction parameters, mono-disperse silver particles with the size of 40-2000 nm can be obtained controllably. It is considered that there were two growth modes: diffusional growth and aggregation. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：628 / 631
页数：4
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