The Pole of Electrolyte Components on Electrodeposition of CdS Films Studied by Cyclic-Voltammetry

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  • TRUNG Tran
    Department of Electrochemistry, Faculty of Chemical Technology, Hanoi University of Technology
  • HANH Pham Thi
    Department of Electrochemistry, Faculty of Chemical Technology, Hanoi University of Technology
  • HUONG Vu Thi
    Department of Electrochemistry, Faculty of Chemical Technology, Hanoi University of Technology
  • NISHINO Junichi
    Department of Chemistry, Nagaoka University of Technology
  • NOSAKA Yoshio
    Department of Chemistry, Nagaoka University of Technology

書誌事項

タイトル別名
  • The Role of Electrolyte Components in the Electrodeposition of CdS Films Studied by Cyclic Voltammetry
  • Pole of Electrolyte Components on Electrodeposition of CdS Films Studied by Cyclic Voltammetry

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抄録

<p>The electrodeposition of CdS was conducted in aqueous solution containing CdSO4 and Na2S2O3 as sources supplying cadmium and sulfur, respectively. The roles of several additives, comprising (NH4)2SO4, NaCl and glycerol were investigated by cyclic voltammetry. The proposed mechanism of the electrodeposition of CdS consists of an adsorption process coupled with a chemical reaction: Cd2++S2−→CdS and/or an adsorption process coupled with an electron transfer reaction: Cd2++S+2e−→CdS. The presence of all such additives enables the adsorption processes and the electron transfer reaction to take place at the potentials positive of −0.8V, thereby promoting the formation of CdS; in addition, the undesired electrodeposition of Cd was suppressed.</p>

収録刊行物

  • Electrochemistry

    Electrochemistry 73 (9), 807-812, 2005-09-05

    公益社団法人　電気化学会

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