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Growth and characterization of chemical bath deposited zinc sulphide thin films

M. STEFAN1,* , E.-J. POPOVICI2, I. BALDEA3, R. GRECU2

Affiliation

  1. National Institute for R &D of Isotopic and Molecular Technology, 71 – 103Donath Str., 400295, Cluj-Napoca, Romania
  2. “Raluca Ripan“Institute for Research in Chemistry, “Babes-Bolyai” University, 30 Fantanele Str , 400294Cluj-Napoca, Romania
  3. Faculty of Chemistry and Chemical Engineering, “Babes-Bolyai” University, 400028Cluj-Napoca, Romania

Abstract

Zinc sulphide thin films were deposited on optical glass platelets, from chemical bath containing variable amounts of thiourea, zinc acetate, ammonia and sodium citrate. The growth aspects of ZnS/glass/ZnS heterostructures by monolayer technique and their subsequent characterization were studied.The samples were investigated by FT-IR and UV-VIS absorption spectroscopy, photoluminescence measurements, scanning electron microscopy and X-ray diffraction. The optical and morpho-structural characteristics of zinc sulphide layers are strongly influenced by reagent concentrations as well as by deposition time..

Keywords

Zinc sulphide, Chemical bath deposition, Optical properties, Thin films.

Submitted at: June 2, 2011
Accepted at: Nov. 23, 2011

Citation

M. STEFAN, E.-J. POPOVICI, I. BALDEA, R. GRECU, Growth and characterization of chemical bath deposited zinc sulphide thin films, Journal of Optoelectronics and Advanced Materials Vol. 13, Iss. 11-12, pp. 1548-1552 (2011)