Issue 4, 2007
From the journal:

Journal of Materials Chemistry

An enhanced synthesis of gold nanorods by the addition of Pluronic (F-127) via a seed mediated growth process

Muhammad Iqbal,a   Yong-Il Chunga  and  Giyoong Tae*a  

* Corresponding authors

a Department of Materials Science and Engineering, Gwangju Institute of Science and Technology, 1-Oryong dong, Buk-gu, Gwangju, 500-712, Korea
E-mail: gytae@gist.ac.kr
Fax: +82-62-970-2304
Tel: +82-62-970-2305

Abstract

The synthesis of stable gold nanorods with higher aspect ratios (∼15–20) and more enhanced uniformity by a modified seed mediated growth approach is reported. A binary surfactant system consisting of CTAB and Pluronic F-127 was used to overcome limitations of the previous approach prepared in the presence of AgNO3: the continuous blue-shifting of the plasmon absorption peaks and the reshaping of the gold nanorods upon storage. The addition of Pluronic F-127 resulted in higher yield and better uniformity of the synthesized nanorods. It also led to the enhanced production of higher aspect ratio nanorods prepared in the absence of AgNO3. The growth conditions were optimized by varying the concentrations of reactants, mainly surfactants and gold seed. The formation, and the stability of the synthesized nanorods were characterized by VIS-NIR absorption spectra and electron microscopy.

Graphical abstract: An enhanced synthesis of gold nanorods by the addition of Pluronic (F-127) via a seed mediated growth process

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Article information

DOI
https://doi.org/10.1039/B610761C
Article type
Paper
Submitted
26 Jul 2006
Accepted
23 Oct 2006
First published
03 Nov 2006

J. Mater. Chem., 2007,17, 335-342

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An enhanced synthesis of gold nanorods by the addition of Pluronic (F-127) via a seed mediated growth process

M. Iqbal, Y. Chung and G. Tae, J. Mater. Chem., 2007, 17, 335 DOI: 10.1039/B610761C

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