Rapid Chemical Bath Deposition and Optical Property of CuS Films Using Sodium Ethylenediamine Tetraacetate as  Chelating Agent

H. Y. He; Z. He

doi:10.9734/AIR/2014/9672

Research Article Open access CC BY 3.0

Rapid Chemical Bath Deposition and Optical Property of CuS Films Using Sodium Ethylenediamine Tetraacetate as Chelating Agent

H. Y. He, Z. He

Advances in Research · pp. 292–302 · Published 7 Apr 2014

10.9734/AIR/2014/9672

Abstract

CuS films were fabricated by a chemical bath deposition process in an aqueous solution of cupric acetate, thiourea, and different contents of sodium ethylenediamine tetraacetate (EDTA-2Na) at 50ºC. The films were characterized by X-ray diffraction, atomic force microscopy, ultraviolet-visible spectrophotometry and photoluminescence spectrophotometry. The effects of EDTA-2Na content and deposition time on the deposition rate, thickness, transmittance, band gap energy and photoluminescence of the films were investigated. The films were fast deposited with this method. Molar ratio of EDTA-2Na/Cu2+=1.0 led to fastest deposition. The band gap energy of the films is in the range of 2.59−2.92 eV, decreasing with increasing deposition time. The films showed broad emission centered at ~443 nm.

CuS film chemical deposition temperature chelating agent optical properties

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H. Y. He, Z. He (2014). Rapid Chemical Bath Deposition and Optical Property of CuS Films Using Sodium Ethylenediamine Tetraacetate as Chelating Agent. Advances in Research , 292–302. https://doi.org/10.9734/AIR/2014/9672

Affiliations

H. Y. He — College of Materials Science and Engineering, Shaanxi University of Science and Technology, China
Z. He — College of Materials Science and Engineering, Shaanxi University of Science and Technology, China

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