Linear Optical properties of Pheomelanine pigment extraction from red wool

Volume 17 , Issue 1 , January 2015 , Pages 177-184

Authors

Mohammed T. Obeid 1 ; Waleed A. Hussain 2 ; Wisam A. Radhi 1 ; Abduljabar A. Jabir 1 ; Dhiaa A. Abd- Alammam 1

1 Polymer Research Centre, University of Basrah

2 College Education for Pure Science, University of Basrah

DOI logo 10.17656/jzs.10371

Keywords

Abstract

The aims of this research are the extract of Pheomelanine pigment from red wool and prepared of it as a thin film by repeat-spray method. We study the optical properties of the Pheomelanine thin film such as the absorbance (A), Transmittance (T), absorption coefficient (α), refractive index (n) and extinction coefficient (k). We calculate the energy gap ( Eg), Urbach tail (Eu), oscillator energy (Eᵒ), dispersion energy (Ed), static refractive index (nᵒ), static dielectric constant (εᵒ) and spectra moments ( M-1 and M-3). 

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  • Published at17 January 2015

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