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Studies on absorption spectra of uniform gold nanoparticles prepared in Triton X-100 reverse micelles

Paper ID Volume ID Publish Year Pages File Format Full-Text
27652 44035 2008 6 PDF Available
Title
Studies on absorption spectra of uniform gold nanoparticles prepared in Triton X-100 reverse micelles
Abstract

A procedure for preparation of uniform gold nanoparticles in the ternary Triton X-100/water/cyclohexane system in the presence of sodium sulfite is suggested. The formation and stabilization of nanoparticles in Triton X-100-based reverse micelles in the above ternary system and in the quaternary system (additionally containing n-hexanol) have been explored. The mechanism for formation of Au(0) and growth of gold clusters was found to depend on the initial concentration of HAuCl4 and Na2SO3. The mean size of nanoparticles formed in reverse micelles in the ternary system was markedly smaller (less 5 nm) than of those formed in the quaternary system (from several to dozens nanometers).

Keywords
Optical absorption spectra; Reverse micelles; Gold nanoparticles; Preparation; Stabilization; Triton X-100
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Studies on absorption spectra of uniform gold nanoparticles prepared in Triton X-100 reverse micelles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 196, Issues 2–3, 20 May 2008, Pages 174–179
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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