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

  • H. J. Chang
  • , N. Y. Ha
  • , Ahyoung Kim
  • , Byoungchoo Park
  • , Jung Hyurk Lim
  • , Eun Jin Park
  • , Jae Ho Kim
  • , Suck Hyun Lee
  • , J. W. Wu

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

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.

Original languageEnglish
Pages (from-to)29-38
Number of pages10
JournalOptics Communications
Volume240
Issue number1-3
DOIs
StatePublished - 1 Oct 2004

Bibliographical note

Funding Information:
This work was supported by the Korea Science and Engineering Foundation through the Quantum Photonic Science Research Center at Hanyang University.

Keywords

  • Electro-optic effect
  • Self-assembled monolayer

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