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Photocurrents Through Thin Polymer Films

机译:通过聚合物薄膜的光电流

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摘要

Polymer films deposited by electron‐beam bombardment were sandwiched between aluminum electrode films. Photocurrents through these sandwiches, with thicknesses between 150 and 300 Å, were measured in the range of photon energies from 2 to 5 eV and with applied voltage bias up to 3 V. The photocurrent vs bias characteristics are symmetrical about the origin. The photocurrent increases with photon energy at fixed bias, with a threshold photon energy of about 2.2 eV, which is independent of the bias. The optical absorption of the polymer shows approximately the same threshold. These results are discussed in terms of the band structure of amorphous semiconductors.
机译:通过电子束轰击沉积的聚合物膜夹在铝电极膜之间。在2到5 eV的光子能量范围内,施加3伏特的电压偏置时,测量了厚度介于150到300Å之间的通过这些三明治的光电流。光电流与偏置特性关于原点对称。光电流在固定偏压下随光子能量的增加而增加,阈值光子能量约为2.2 eV,与偏压无关。聚合物的光吸收显示出大致相同的阈值。根据非晶半导体的能带结构讨论了这些结果。

著录项

  • 来源
    《Journal of Applied Physics》 |1969年第10期|共4页
  • 作者

    Colburn R. H.; Christy R. W.;

  • 作者单位

    Department of Physics and Astronomy, Dartmouth College, Hanover, New Hampshire 03755;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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