Subscribe

Subscribe to our Newsletter and get informed about new publication regulary and special discounts for subscribers!

ILCPA > Volume 43 > Annealing Effects on the Interband Transition and...
< Back to Volume

Annealing Effects on the Interband Transition and Optical Constants of Cobalt Doped Cadmium Oxide Thin Films

Download PDF

Abstract:

The CdO: Co films have been deposited on substrate temperature at 400 °C by spray pyrolysis method using cadmium chloride and cobalt chloride as a precursors for Cd and Co ions, respectively. The effect of annealing temperature on optical constants of Co: CdO thin films are investigated using UV-Visible spectrophotometer in the range of (300-900) nm at room temperature. The absorbance and optical parameters such as α, n, ε1, ε2, and χ are increased when the annealing temperature increases, while the energy gap decreased from 2.5 eV before annealing to 2.48 eV after 500 °C annealing temperature. Urbach energy is increased with the increasing of annealing temperature from 353 meV for sample before annealing to 715 meV for the same samples annealed at 500 °C.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 43)
Pages:
81-90
DOI:
10.18052/www.scipress.com/ILCPA.43.81
Citation:
N. F. Habubi "Annealing Effects on the Interband Transition and Optical Constants of Cobalt Doped Cadmium Oxide Thin Films", International Letters of Chemistry, Physics and Astronomy, Vol. 43, pp. 81-90, 2015
Online since:
Jan 2015
Authors:
Export:
Distribution: