Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3095481
Title: Optical modeling of the plasmon band of monolayer-protected nanometal clusters in pure and in polymer matrix thin films as a function of heat treatment
Authors: Sivaramakrishnan, S. 
Anto, B.T.
Ho, P.K.-H. 
Issue Date: 2009
Citation: Sivaramakrishnan, S., Anto, B.T., Ho, P.K.-H. (2009). Optical modeling of the plasmon band of monolayer-protected nanometal clusters in pure and in polymer matrix thin films as a function of heat treatment. Applied Physics Letters 94 (9) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3095481
Abstract: The plasmon band shape of thin films of gold nanoparticles and their composites can be quantitatively modeled in a surprisingly simple way by taking into account (i) quantum-size effect of the Au core on its permittivity, (ii) nanostructure effect of the core shell and matrix on the effective medium, and (iii) optical properties of thin films in a transfer-matrix formalism. From the excellent agreement achieved with the optical spectra of these films, neat and when dispersed in poly(3,4-ethylenedioxythiophene) matrices, details of the nanocrystal relaxation, desorption of the ligand shell, and ultimate surface melting and core-core coalescence to give percolating conductive paths during heat treatment were extracted. © 2009 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/97445
ISSN: 00036951
DOI: 10.1063/1.3095481
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