Kinetically Controlled Growth of Gold Nanoplates and Nanorods via a One-Step Seed-Mediated Method 


Vol. 35,  No. 6, pp. 1737-1742, Jun.  2014
10.5012/bkcs.2014.35.6.1737


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  Abstract

In this research, we further developed the one-step seed mediated method to synthesize gold nanoparticles (GNPs) and control their resulting shapes to obtain hexagonal, triangular, rod-shaped, and spherical gold nanostructures. Our method reveals that the reaction kinetics of formation of GNPs with different shapes can be controlled by the rate of addition of ascorbic acid, because this is the critical factor that dictates the energy barrier that needs to be overcome. This in turn affects the growth mechanism process, which involves the adsorption of growth species to gold nanoseeds. There were also observable trends in the dimensions of the GNPs according to different rates of addition of ascorbic acid. We performed further analyses to investigate and confirm the characteristics of the synthesized GNPs.

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  Cite this article

[IEEE Style]

S. Hong, J. A. I. A. Jr., H. Jang, A. S. Kulkarni, S. Park, "Kinetically Controlled Growth of Gold Nanoplates and Nanorods via a One-Step Seed-Mediated Method," Bulletin of the Korean Chemical Society, vol. 35, no. 6, pp. 1737-1742, 2014. DOI: 10.5012/bkcs.2014.35.6.1737.

[ACM Style]

Soonchang Hong, Jesus A. I. Acapulco Jr., Hee-Jeong Jang, Akshay S. Kulkarni, and Sungho Park. 2014. Kinetically Controlled Growth of Gold Nanoplates and Nanorods via a One-Step Seed-Mediated Method. Bulletin of the Korean Chemical Society, 35, 6, (2014), 1737-1742. DOI: 10.5012/bkcs.2014.35.6.1737.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949