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タイトル別名
  • Mechanism of Photoconduction on Sintered Layers of Lead Oxide
  • サンカ ナマリ ショウケツ マク ニ オケル ヒカリドウデン キコウ

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抄録

Spectral distributions, light intensity dependencies and rates of decay of photocurrent and also, spectral reflectances on lead oxide layers sintered at temperautures within the range of 300∼600℃ were measured in vacuum at room temperature to interpret the mechanism of photoconduction on lead oxide. Furthermore, structural changes of lead oxide at temperature within the range of 100∼700℃ in air were determined by the high temperature X-ray diffraction method. The two peaks of photocurrent of lead oxide layers at 410 mμ and 580 mμ are due to the Pb-O bonds of α-type and β-type of lead oxide (or Pb++-vacancy), respectively. Photocurrent (J) is proportional to Iα, where I is the intensity of light and α equals to 0.35∼0.45. All of the rates of decay of photocurrent are proportional to reciprocals of photocurrent at time t, (I/Jt); and then the two species of rate equation of decay on all samples were acertained. Therefore, the two recombinations in photconduction preceed as the two types of bimolecular reaction and then, the former is a direct recombination and the latter an indirect one.

収録刊行物

  • 電子写真

    電子写真 8 (2), 2_63-2_69, 1968

    一般社団法人 日本画像学会

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