One-Pot Synthesis of Coral-Shaped Gold Nanostructures for Surface-Enhanced Raman Scattering

Abstract:

In this work, a chelating agent, ethylenediaminetetraacetic acid (EDTA) was used for the controllable synthesis of gold nanostructures in aqueous solution. Coral-shaped Au nanostructures were synthesized by reducing HAuCl4 with EDTA. EDTA serves not only as a reducing agent but also as a particle capping agent in the formation of coral-shaped Au nanostructures. It is found that the molar ratio of HAuCl4:EDTA and reacted temperature play significant effects on the formation and growth of these novel nanostructures. These Au nanostructures could serve as highly sensitive and reproductive surface-enhanced Raman scattering (SERS) substrates for chemical and biological detection.

• Periodical: Journal of Nano Research (Volume 14)
• Pages: 47-55
• DOI: https://doi.org/10.4028/www.scientific.net/JNanoR.14.47
• Online since: April 2011
• Authors: Jian Hui Yang, Dhiraj K. Sardar
• Keywords: Gold, Nanostructure, Surface Enhanced Raman Spectroscopy, Synthesis

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