"

Cookies ussage consent

Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our site without changing the browser settings you grant us permission to store that information on your device.

Analysis of the optical constants of spun cast polystyrene thin film

D. SHARMA1,* , P. SHARMA1, N. THAKUR2

Affiliation

  1. Department of Physics, Jaypee University of Information Technology, Waknaghat, Solan, H.P. (173215) India
  2. Department of Physics, Himachal Pradesh University, Summer Hill Shimla, India

Abstract

Transmission spectra was used to analyze the basic optical properties and optical constants of spun cast polystyrene thin film.Thin film of polystyrene was prepared by spin coating technique at 2000 rpm for 30s.Thin film was characterized by Xray diffraction technique to check its amorphous nature. The related parameters viz. oscilllator strength Eo, dispersion energy Ed were determined by the Wemple-Didomenico method.The refractive index (n) , extinction coefficient (k) and dielectric constant of thin film were calculated. The optical band gap Eg was calculated using transmission spectra.

Keywords

Polystyrene, Spun cast thin film, Spectroscopy, Optical constants, Optical band gap.

Citation

D. SHARMA, P. SHARMA, N. THAKUR, Analysis of the optical constants of spun cast polystyrene thin film, Optoelectronics and Advanced Materials - Rapid Communications, 3, 2, February 2009, pp.145-148 (2009).

Submitted at: Dec. 22, 2008

Accepted at: Feb. 13, 2009