Polarized Fluorescence of Spin-coated Polymeric Thin Films

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  • Nishiyama Satoko
    Bio-Nano Electronics Research Center,Toyo University
  • Tajima Masahiro
    Department of Applied Chemistry, Faculty of Engineering, Toyo University
  • Yoshida Yasuhiko
    Bio-Nano Electronics Research Center,Toyo University Department of Applied Chemistry, Faculty of Engineering, Toyo University

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Abstract

We show an attempt of analyzing the distributions of transition moments of fluorophores in thin films. At a certain excitation wavelength, fluorophores can be excited with polarized light of different transition probabilities which are dependent on the direction of the transition moment. We compared emission bands of some pyridine-containing polymer films with varying the polarization angle of the polarizer and/or analyzer. The polarization angle dependence of these emission bands appeared to be different for different types of emission bands, and the distributions of the transition moments were discussed.

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