Synthesis and characterization of stable aqueous dispersions of silver nanoparticles through the Tollens process

Yin, Y; Li, ZY; Zhong, Z; Gates, B; Xia, Y; Venkateswaran, S

HERO ID

224922

Reference Type

Journal Article

Year

2002

HERO ID 224922
In Press No
Year 2002
Title Synthesis and characterization of stable aqueous dispersions of silver nanoparticles through the Tollens process
Authors Yin, Y; Li, ZY; Zhong, Z; Gates, B; Xia, Y; Venkateswaran, S
Journal Journal of Materials Chemistry
Volume 12
Issue 3
Page Numbers 522-527
Abstract This paper describes a simple and convenient procedure based on the Tollens process for the preparation of silver nanoparticles with a relatively narrow distribution in size. The starting reagents were similar to those commonly used in the electroless deposition of silver. Only under appropriate conditions, mixing of these reagents was able to generate stable aqueous dispersions of silver colloids rather than thin films of silver deposited on the surfaces of objects immersed in the plating solution (including the interior surface of the container). We have demonstrated the capability and feasibility of this approach by forming silver nanoparticles with dimensions in the range of 20–50 nm. These silver nanoparticles could exist as very stable dispersions in water, or as submonolayer coating on microscale colloids. We have also explored the use of light scattering simulation to study the oxidation (by air) of these nanoparticles.
Doi 10.1039/B107469E
Is Certified Translation No
Dupe Override No
Is Public Yes
Is Qa No
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