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Effects of acids on chalcogenide (cadmium sulfide) thinfims by chemical bath dip coating techniques

R. GANESH1,2,* , V. SENTHIL KUMAR1, M. RAJA2

Affiliation

  1. Department of Physics, Karpagam University, Coimbatore-641 021, India
  2. Department of Physics, RVS College of Engineering and Technology, Coimbatore-641402, India

Abstract

Among various semiconductor nanoparticles, nano-sized cadmium sulfide (CdS) thin films are the most frequently studied material. Cadmium sulfide thin films are fabricated by chemical bath dip coating method using critic and tartaric acid respectively. The synthesized thin films have been characterized by ultraviolet-visible (UV-Vis), x-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive x-ray analysis (EDAX) spectrum. Results are found that the absorption peak value of CdS thin films were blue shifted and surface smoothness also increases due to the reaction with acids, like citric and tartaric acids..

Keywords

Cadmium sulfide, Citric acids, Tartaric acids, UV-Vis, XRD, SEM, EDAX, etc.

Submitted at: March 26, 2013
Accepted at: Nov. 7, 2013

Citation

R. GANESH, V. SENTHIL KUMAR, M. RAJA, Effects of acids on chalcogenide (cadmium sulfide) thinfims by chemical bath dip coating techniques, Journal of Optoelectronics and Advanced Materials Vol. 15, Iss. 11-12, pp. 1399-1402 (2013)