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Title: Light-controlled synthesis of gold nanoparticles using a rigid, photoresponsive surfactant
Authors: Huang, Youju
Kim, Dong-Hwan
Issue Date: 2012
Source: Huang, Y., & Kim, D.-H. (2012). Light-controlled synthesis of gold nanoparticles using a rigid, photoresponsive surfactant. Nanoscale, 4(20), 6312-6317.
Series/Report no.: Nanoscale
Abstract: We report a new strategy for shape control over the synthesis of gold nanoparticles (AuNPs) by using a photoresponsive surfactant based on a modified seed growth method. Owing to photoresponsive properties of the azo group, the designed surfactant, N1,N3,N5-tris[(4′-azobenzene-4-sulphonic acid)phenyl]benzene-1,3,5-tricarboxamide, exhibits a distinctive molecular configuration under light leading to different growth processes of AuNPs. As a result, the blackberry-like, spherical AuNPs and multilayered Au plates were successfully prepared in high yield under visible and UV light. The size and morphological control of Au nanocrystals are described and the synthesized Au nanocrystals are evaluated for SERS applications.
ISSN: 2040-3364
DOI: 10.1039/c2nr31717f
Rights: © 2012 The Royal Society of Chemistry.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

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