アンモニア-アルカリ性水溶液からのCdTeの電析 Electrodeposition of CdTe from Ammonia-alkaline Solutions

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Electrodeposition of CdTe was studied in an ammonia-alkaline ammonium sulfate solution in which Cd (<b>II</b>) and Te (<b>IV</b>) ions respectively existed as Cd (<b>II</b>)-ammine complex and TeO<sub>3</sub><sup>2-</sup>. It was possible to prepare ammonia-ammonium sulfate solutions containing 50mol·m<sup>-3</sup> Te (<b>IV</b>) and 50mol·m<sup>-3</sup> Cd (<b>II</b>) at ambient temperature. Cathodic polarization curves were measured at various concentrations of Cd (<b>II</b>) and Te (<b>IV</b>) at room temperate. Electrodeposition of Te was found to be inhibited by the presence of Cd (<b>II</b>) ions, suggesting that there is strong interaction between Cd (<b>II</b>) and Te (<b>IV</b>) ions. Polycrystalline CdTe was obtained by electrodeposition at constant cathode potentials ranging from -0.6 to -1.0V vs SHE at 348K. The deposition currents of CdTe was about 50A·m<sup>-2</sup> at -0.8V vs SHE, which is one order of magnitude greater than that of conventional acidic solutions. Polycrystalline CdTe could also be obtained by heat treatment of amorphous deposits obtained by electrodeposition at room temperature.

収録刊行物

  • 表面技術 = The Journal of the Surface Finishing Society of Japan

    表面技術 = The Journal of the Surface Finishing Society of Japan 48(2), 190-194, 1997-02-01

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002258351
  • NII書誌ID(NCID)
    AN1005202X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09151869
  • NDL 記事登録ID
    4139976
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-291
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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