Electrochemical Synthesis and Analysis of SERS Activity of Gold Nanoparticles Films

Abstract

Abstract: Surface-enhanced Raman scattering(SERS)-active gold nanoparticles(AuNPs) films were prepared with a one-step electrochemical method. The orthogonal design was used to investigate the experimental conditions influencing the morphologies and the SERS activity of the AuNPs. A condition was found to obtain the optimal SERS activity. The SEM study reveals that the AuNPs films were composed of closely packed AuNPs. The Finite Difference Time Domain(FDTD) simulation result indicates that the coupling between particles plays an important role in the enhancement SERS of AuNPs.

Key words: Electrochemical synthesis, Au nanoparticles films, SERS, FDTD

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SHEN Li-Ming, YANG Zhi-Lin, REN Bin, WU De-Yin, GU Ren-Ao, TIAN Zhong-Qun . Electrochemical Synthesis and Analysis of SERS Activity of Gold Nanoparticles Films[J]. Chem. J. Chinese Universities, 2005, 26(9): 1726.

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Electrochemical Synthesis and Analysis of SERS Activity of Gold Nanoparticles Films

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