Optical constants of polyaniline/poly(methylmethacrylate) blend

被引：19

作者：

Al-Attar, HA ^{[1
]}

Telfah, AD ^{[1
]}

机构：

[1] Al Albayt Univ, Fac Art & Sci, Dept Phys, Al Mafraq 25113, Jordan

来源：

OPTICS COMMUNICATIONS | 2004年 / 229卷 / 1-6期

关键词：

optical properties; ellipsometry; organic conducting; composed polymer;

D O I：

10.1016/j.optcom.2003.10.018

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this work we have investigated the optical properties of thin film camphor sulfonic acid doped polyaniline/ poly(methylmethacrylate) (PAni-CSA/PMMA) blend using spectroscopic ellipsometer. The optical constants for the chemically prepared PAni-CSA show amorphous-like characteristics, which can be modeled using Cauchy parametric formula with linear absorption or Tauc-Lorentz formula. The optical constants of the (PAni-CSA/PMMA) blend film were obtained using Bruggeman effective medium approximation (EMA) formula. The results show that the refractive index of the blend system can be adjusted in the spectral range 300-550 nm by controlling the PAni-CSA percentage contained in the film. The blend film is transparent and the absorption coefficient varies linearly with the concentration of PAni-CSA. The system can be used as a adjustable optical constants buffer layer in the hole injection electrode for polymer light emitted diode (PLED) devices. (C) 003 Elsevier B.V. All rights reserved.

引用

页码：263 / 270

页数：8

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