Synthesis of CdS Powder and Film by Solid-Liquid Reaction and Fabrication of Its Thick Film.

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  • OHTOMO Yoshinori
    Department of Applied Chemistry, Faculty of Engineering, Seikei University
  • KAWASAKI Kenji
    Department of Applied Chemistry, Faculty of Engineering, Seikei University
  • OZAKI Yoshiharu
    Department of Applied Chemistry, Faculty of Engineering, Seikei University

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  • 固液反応法によるＣｄＳ粉末及び膜の合成
  • コエキ ハンノウホウ ニ ヨル CdS フンマツ オヨビ マク ノ ゴウセイ

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Abstract

Fine cadmium sulfide (CdS) powder was prepared from metal alkoxide. Using this powder, CdS films were fabricated. The CdS films were investigated using X-ray diffraction (XRD) and scanning electron microscopy (SEM). The CdS powder was synthesized by sulfurization of Cd(OR)2 (R=CH3, C2H5) or Cd(OH)2, and Cd(OH)2 was derived from the hydrolysis of Cd(OR)2. CdS pastes were manufactured by dispersing the resultant CdS powder into a mixture of terpineol and ethylcellulose using a three-roll mill. CdS pastes were screen-printed on glass substrates and dried. The CdS films were heat-treated at 300-600°C in a N2 atmosphere, and examined by XRD. Preferred orientation in the [002] direction was observed for CdS films obtained from Cd(OH)2. On the other hand, in the case of CdS films obtained from Cd(OR)2, no preferred orientation was observed.

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