Journal of the Korean Electrochemical Society (전기화학회지)

The Korean Electrochemical Society (한국전기화학회)
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Electrodeposition of Ternary CdZnS Semiconductor Thin Films Using a S-Modified Polycrystalline Au Electrode

  • Ham, Sun-Young (Department of Chemistry, Yonsei University, Wonju Campus) ;
  • Cho, Se-Jin (Department of Chemistry, Yonsei University, Wonju Campus) ;
  • Lee, Ung-Ki (Department of Applied Chemistry Konkuk University Chungju Campus) ;
  • Jeon, So-Yeon (Department of Applied Chemistry Konkuk University Chungju Campus) ;
  • Shin, Ji-Cheol (Department of Applied Chemistry Konkuk University Chungju Campus) ;
  • Myung, No-Seung (Department of Applied Chemistry Konkuk University Chungju Campus) ;
  • Paeng, Ki-Jung (Department of Chemistry, Yonsei University, Wonju Campus)
  • Published : 2007.11.28
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Abstract

This paper describes a two-step approach for the electrochemical deposition of CdZnS thin films on the polycrystalline Au electrode. Initially, an Au substrate is electrochemically modified with a sulfur layer. In the second step, the layer is electroreduced to $S^{2-}$ in the electrolyte dosed with the requisite amount of $Cd^{2+}$ and $Zn^{2+}$ ions to generate CdZnS films in situ. This approach was validated using a combination of linear sweep voltammetry and electrochemical quartz crystal microgravimetry. Thus synthesized CdZnS thin films have different composition depending on the composition of electrolytes. CdZnS thin films are characterized by energy-dispersive X-ray analysis and Raman spectroscopy.

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