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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