Synthesis and Characterization of Water-Soluble Monolayer-Protected Gold Nanoparticles

Yan Su; Ying Yun Lin; Yu Li Fu; Fan Qian; Xiu Pei Yang; Martin M.F Choi

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

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 415-417Synthesis and Characterization of Water-Soluble...

Synthesis and Characterization of Water-Soluble Monolayer-Protected Gold Nanoparticles

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.

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Periodical:

Advanced Materials Research (Volumes 415-417)

Pages:

617-620

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.415-417.617

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Online since:

December 2011

Authors:

Yan Su, Ying Yun Lin, Yu Li Fu, Fan Qian, Xiu Pei Yang, Martin M.F Choi

Keywords:

Characterization, Gold Nanoparticles (GNP), MMTA, Synthesis

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