Electro-optic response of an electrostatically self-assembled single polymeric monolayer in attenuated total reflection configuration

  • Chang H
  • Ha N
  • Kim A
 et al. 
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Abstract

An electrostatically self-assembled monolayer, composed of a pair of layers of anionic molecules and cationic polymers with a hemicyanine pendent group, was fabricated onto a thin silver film. By use of the attenuated total internal reflection technique, surface plasmon resonance and reflection modulation spectra were measured to determine the electro-optic coefficients of the monolayer. In order to take into account the dielectric property of each layer, a five-layer model is adopted in obtaining the electro-optic coefficients. From the temperature dependence measurement of reflection modulation signal, the hyperpolarizabilities of the hemicyanine pendent chromophore in benzenoid and quinoid forms are obtained. © 2004 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Electro-optic effect
  • Self-assembled monolayer

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Authors

  • H. J. Chang

  • N. Y. Ha

  • Ahyoung Kim

  • Byoungchoo Park

  • Jung Hyurk Lim

  • Eun Jin Park

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