Document Type

Journal Article

Department/Unit

Department of Chemistry

Title

Synthesis and characterization of water-soluble monolayer-protected gold nanoparticles

Language

English

Abstract

Water-soluble gold nanoparticles (AuNPs) were prepared using 2-mercapto-4-methyl-5-thiazoleacetic acid (MMTA) as a stabilizing agent and sodium borohydride (NaBH4) as a reducing agent. The AuNPs product was analyzed by transmission electron microscopy (TEM), UV-vis absorption spectroscopy and Fourier transform infrared spectroscopy (FTIR). The TEM image shows that the particles were well-dispersed and their average particle size is about 5 nm. The UV-vis absorption and FTIR spectra confirm that the MMTA-AuNPs was stabilized by the carboxylate ions present on the surface of the AuNPs.

Keywords

Characterization, Gold nanoparticles, MMTA, Synthesis

Publication Date

2011

Source Publication Title

Advanced Materials Research

Volume

415-417

Start Page

617

End Page

620

Publisher

Trans Tech Publications

DOI

10.4028/www.scientific.net/AMR.415-417.617

ISSN (print)

10226680

ISSN (electronic)

16628985

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