Electronic Structure and Optical Properties of Gold Nanoshells

E. Prodan, P. Nordlander,* and N. J. Halas
Department of Physics and Rice Quantum Institute, Rice University, Houston, Texas 77251
Nano Letters, 2003, 3 (10), pp 1411–1415
DOI: 10.1021/nl034594q
Publication Date (Web): September 19, 2003
Copyright © 2003 American Chemical Society
*

 Corresponding author. E-mail:  nordland@rice.edu.

Abstract

Abstract Image

Using the TDLDA method, we investigate how the polarizability of the d electrons of the gold atoms influences the electronic and optical properties of metallic nanoshells. It is shown that a polarizable jellium background can introduce a significant shift of the plasmon resonances. The results of the study show that the theoretically calculated optical absorption spectra for gold nanoshells with a gold sulfide core are in excellent agreement with experimental data.

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History

  • Published In Issue October 08, 2003
  • Received August 1, 2003
    Revised Manuscript Received August 29, 2003

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