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Fabrication of CdS thin films by chemical bath deposition

BAOYUN HU1,* , ZHENZI JING1, JIANFENG HUANG2, FANGMING JIN3

Affiliation

  1. School of Materials Science & Engineering, Tongji University, Shanghai 201804, China
  2. Key Laboratory of Auxiliary Chemistry & Technology for Light Chemical Industry, Ministry of Education, Shaanxi University of Science & Technology, Xi’an, 710021, China
  3. School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China

Abstract

Cadmium sulfide (CdS) thin films have been deposited on the ITO glass substrate using the chemical bath deposition (CBD) technique. The phase composition, surface morphology and optical property of the as deposited films were investigated. The obtained CdS thin film s were characterized by XRD, FE SEM, EDS, XPS and AFM. Ultraviolet visible (UV Vis) spectroscopy was used to investigate t he optical property. Results show that the deposited CdS nano film s are in high purity and quality, and the thin film s exhibit a dense and crystalline surface morphology. The energy band gap of the CdS thin film s is calculated to be 2.41eV. Good transmittance and excellent absorbency of the as deposited thin fi lm s are observed..

Keywords

CdS thin films, Chemical bath deposition, Optical property.

Citation

BAOYUN HU, ZHENZI JING, JIANFENG HUANG, FANGMING JIN, Fabrication of CdS thin films by chemical bath deposition, Optoelectronics and Advanced Materials - Rapid Communications, 8, 3-4, March-April 2014, pp.282-287 (2014).

Submitted at: May 6, 2013

Accepted at: March 13, 2014