Spectral Response of Photoconductivity in Polycyclic Aromatic Compounds

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概要

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• The spectral responses of the photoconductivity of perylene, pyranthrene, violanthrene, anthanthrone, violanthrone and indanthrazine, as well as the optical absorption spectra of these aromatic solids, have been investigated. Associated with the surface-type cells, when the aromatic films are thin enough, the response curves reproduce the absorption spectra. It has been concluded from this that the photoconductivity is the intrinsic property of the compound and that the lowest excited states are responsible for the electrical conduction.<BR>The thresholds for photoconductivity are rather vague. In some cases, however, extra bands are found in the photoconduction spectra outside the main bands. These extra bands locate in the energy regions which correspond to the triplet states of the molecules and are coincident with the thermal energy gaps for the semiconduction.

• 社団法人 日本化学会の論文

著者

• Sano M.

  Department Of Neurology Kanazawa University School Of Medicine

• Akamatu Hideo

  Department of Chemistry, Faculty of Science, the University of Tokyo

• Sano Mizuka

  Department of Chemistry Faculty of Science The University of Tokyo

• Akamatu Hideo

  Department of Chemistry Faculty of Science The University of Tokyo

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