Preparation and characterization of silver powders with spheric shape and different sizes

被引：0
|
作者：
Li, Mingli [1 ,2 ,3 ]
Qian, Kunming [2 ]
Yu, Qiong [2 ]
Zhou, Yusong [2 ]
Ji, Song [2 ]
Du, Piyi [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
[2] China Acad Ordnance Sci, Ningbo Branch, Ningbo 315103, Zhejiang, Peoples R China
[3] Surface Engn Res Ctr Ningbo, Ningbo 315103, Zhejiang, Peoples R China
来源：
NEW MATERIALS AND ADVANCED MATERIALS, PTS 1 AND 2 | 2011年 / 152-153卷
基金：
中国博士后科学基金;
关键词：
silver; ultrafine powders; chemical reduction; tap density; NANOPARTICLES; TEMPERATURE;
D O I：
10.4028/www.scientific.net/AMR.152-153.1805
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The preparation and characterization of silver powders with spheric shape and different sizes by chemical reduction of silver ions in the presence of ethanol amine using hydrochinone (C6H6O2) as the reducing agent are described. The size distribution, microstructure, and the phase composition of the obtained Ag Powders were characterized by the Laser Particle Size Analyzer, Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM) and the X-ray diffraction (XRD). The Ag powder was in face-centered cubic crystal structure with spheric morphology. The average tap density of silver powders is up to 4.0g/cm(3). It was also found that the size of the Ag particles can be adjusted conveniently to a certain degree by varying the silver ions content, the addition amount of dispersing agent, the aging time, the temperature of the reaction, and the concentration ratio of hydrochinone to Ag+.
引用
收藏
页码：1805 / +
页数：2
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