Electrodeposition of a Copper-Tellurium Compound under Diffusion-Limiting Control

Takahiro Ishizaki, Daisuke Yata, Akio Fuwa

    Research output: Contribution to journalArticle

    12 Citations (Scopus)

    Abstract

    Copper-tellurium films were electrochemically deposited from a solution containing CuCl2, TeO2 and HCl. This study revealed the relationship between the copper/tellurium ratio in the solution and the metal ratio in the deposited film. The Cu/Te ratio of the deposited film was successfully controlled by conducting electrodeposition under diffusion-limited conditions. The [Cu]/[Te] ratio in the solution was linearly related to that of Cu/Te in the deposited film, since the partial current density originating from the copper and tellurium ions was directly proportional to the concentration of each. The deposited films crystallized to Cu2Te at the Cu/Te ratio of 2.5. The films were deposited at -0.4 V vs. Ag/AgCl from a solution in which [Cu]/[Te] = 2.5, [CuCl2] = 1.0 × 10-3 M (= kmol m-3), [TeO2] = 4.0 × 10-4 M, and pH = 1.

    Original languageEnglish
    Pages (from-to)1583-1587
    Number of pages5
    JournalMaterials Transactions
    Volume44
    Issue number8
    Publication statusPublished - 2003 Aug

    Fingerprint

    Tellurium compounds
    tellurium compounds
    Electrodeposition
    electrodeposition
    Copper
    Tellurium
    copper
    tellurium
    Current density
    Metals
    Ions
    current density
    conduction

    Keywords

    • Copper telluride
    • Deposition process
    • Electrochemistry

    ASJC Scopus subject areas

    • Materials Science(all)
    • Metals and Alloys

    Cite this

    Electrodeposition of a Copper-Tellurium Compound under Diffusion-Limiting Control. / Ishizaki, Takahiro; Yata, Daisuke; Fuwa, Akio.

    In: Materials Transactions, Vol. 44, No. 8, 08.2003, p. 1583-1587.

    Research output: Contribution to journalArticle

    Ishizaki, T, Yata, D & Fuwa, A 2003, 'Electrodeposition of a Copper-Tellurium Compound under Diffusion-Limiting Control', Materials Transactions, vol. 44, no. 8, pp. 1583-1587.
    Ishizaki, Takahiro ; Yata, Daisuke ; Fuwa, Akio. / Electrodeposition of a Copper-Tellurium Compound under Diffusion-Limiting Control. In: Materials Transactions. 2003 ; Vol. 44, No. 8. pp. 1583-1587.
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