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    Spectroscopic ellipsometer studies on new cyanine dye in Langmuir–Blodgett films

    Year: 2008

    Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects, Volume 321, Issues 1-3, 15 May 2008, Pages 2-6, 20111221

    Authors: Hao Zeng, Feng Gao and Shihong Ma

    Organizations: Department of Physics, Fudan University, Shanghai 200433, China

    The optical properties of cyanine dye (HQ) in Langmuir–Blodgett films were studied over the UV–vis range by means of spectroscopic ellipsometer (SE). The high absorption of the LB films at different frequencies was analyzed. Theoretical computation and numerical fitting with Lorentz oscillator model was also carried out. It is found that the fitted results are in good agreement with the experimental data.