Preparation and characterization of size controllable spherical silver nanoparticles

被引：0

作者：

Yang A.-L. ^{[1
]}

Li S.-P. ^{[1
]}

Wang Y.-J. ^{[1
]}

Bao X.-C. ^{[2
]}

Yang R.-Q. ^{[2
]}

机构：

[1] Department of Physics, Ocean University of China, Qingdao

[2] Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao

来源：

Optoelectronics Letters | 2014年 / 10卷 / 03期

基金：

中国国家自然科学基金;

关键词：

15;

D O I：

10.1007/s11801-014-4005-y

中图分类号：

学科分类号：

摘要：

By adjusting pH values of reactant system, the mass ratio of stabilizer/water and aging temperature, size controllable spherical silver nanoparticles (NPs) were synthesized. The properties of silver NPs are characterized by X-ray diffraction (XRD), transmission electron microscope (TEM) and ultraviolet visible (UV-VIS) absorption spectra. Within the pH values of 7.0-11.0, the aging temperature of 80 °C is better to improve silver NPs in shape to nearly sphere, concentrate size distribution and reduce aggregation than the aging temperature of 25 °C. The shape and dispersibility of silver NPs are the best when the pH of the reactant system is within 7.0-8.0. With pH of 7.5, aging at 80 °C, and stabilizer/water mass ratio of 1%, the spherical silver NPs with sizes of 50-70 nm were synthesized. The results are promising to be used to synthesize core/shell NPs when silver NPs are as core. © 2014 Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.

引用

页码：164 / 167

页数：3

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