Controll over the Au@Ag Core-shell Nanoparticle 2D Patterns via Diblock Copolymer Inverse Micelle Templates and Investigation of the Surface Plasmon Based Optical Property 


Vol. 57,  No. 5, pp. 618-624, Oct.  2013
10.5012/jkcs.2013.57.5.618


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  Abstract

We demonstrated unique inter- and intra-plasmonic coupling effects in bimetallic Au@Ag core-shell NP arrays which are regularly or randomly arranged on self-assembled block copolymer (BCP) inverse micelle monolayers. Polyvinylpyrrolidone (PVP)-stabilized Au@Ag core-shell NP arrays in regular or disordered configuration were incorporated and assembled on reconstructed PS-b-P4VP inverse micelle templates through two types of processes. The intensively enhanced LSPR coupling properties of individual and assembled Au@Ag NPs were evaluated by UV-visible spectroscopy in terms of the type of ligand stabilizer, coupling between Au and Ag, thickness of Ag shell, and type of array configuration. Finally, Au@Ag core-shell NP arrays were employed as active substrates for surface enhanced Raman spectroscopy (SERS) and a significantly enhanced signal enhancement was observed in accordance with the coupling intensity of Au@Ag NPs patterns.

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  Cite this article

[IEEE Style]

M. J. Yoon, J. Kim, Y. H. Jang, J. E. Lee, K. Chung, L. N. Quan, D. H. Kim, "Controll over the Au@Ag Core-shell Nanoparticle 2D Patterns via Diblock Copolymer Inverse Micelle Templates and Investigation of the Surface Plasmon Based Optical Property," Journal of the Korean Chemical Society, vol. 57, no. 5, pp. 618-624, 2013. DOI: 10.5012/jkcs.2013.57.5.618.

[ACM Style]

Min Ji Yoon, Jihyeon Kim, Yoon Hee Jang, Ji Eun Lee, Kyungwha Chung, Li Na Quan, and Dong Ha Kim. 2013. Controll over the Au@Ag Core-shell Nanoparticle 2D Patterns via Diblock Copolymer Inverse Micelle Templates and Investigation of the Surface Plasmon Based Optical Property. Journal of the Korean Chemical Society, 57, 5, (2013), 618-624. DOI: 10.5012/jkcs.2013.57.5.618.

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ISSN(Print) 1017-2548
ISSN(Online) 2234-8530