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Laser-induced morphology changes of silver colloids prepared by laser ablation in water: Enhancement of anisotropic shape conversions by chloride ions

Paper ID Volume ID Publish Year Pages File Format Full-Text
28327 44070 2006 7 PDF Available
Title
Laser-induced morphology changes of silver colloids prepared by laser ablation in water: Enhancement of anisotropic shape conversions by chloride ions
Abstract

Laser-induced morphology changes of silver nanoparticles were investigated by using silver colloids prepared by laser ablation in water. In the previous study, we have reported that nanoprisms and nanorods were formed by laser irradiation onto spherical silver nanoparticles. In the present study, we have revealed that shape conversions producing crystal-shaped particles including nanoprisms and nanorods were enhanced when NaCl was added into silver colloidal solution. In addition, it was found that formation of crystal-shaped particles was observed under fluorescent light irradiation onto silver colloidal solution containing NaCl. The effect of NaCl on the shape conversions of silver nanoparticles was explained in terms of the oxidative etching of silver nanoparticles by chloride ions followed by photo-reduction of the silver ions.

Keywords
Metal colloids; Nanoparticles; Shape control; Laser; Laser ablation
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Laser-induced morphology changes of silver colloids prepared by laser ablation in water: Enhancement of anisotropic shape conversions by chloride ions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 183, Issue 3, 25 October 2006, Pages 297–303
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
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