Photocurrent multiplication in naphthalene tetracarboxylic anhydride film at room temperature

被引：62
作者：
Katsume, T
Hiramoto, M
Yokoyama, M
机构：
[1] Material and Life Science, Faculty of Engineering, Osaka University, Yamadaoka, Suita
来源：
APPLIED PHYSICS LETTERS | 1996年 / 69卷 / 24期
关键词：
D O I：
10.1063/1.117201
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A large photocurrent multiplication reaching 130 000-fold at room temperature has been observed in naphthalene tetracarboxylic anhydride (NTCDA) film sandwiched between metal electrodes. This phenomenon is reasonably interpreted in terms of the tunneling injection of electrons from a metal electrode, which is triggered by the accumulation of photogenerated trapped holes near the metal/organic interface. The combination of an ultrathin NTCDA film with another photoconductive pigment film in a layered structure allowed us to fabricate a photocurrent multiplication device with the desired spectral response. (C) 1996 American Institute of Physics.
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页码：3722 / 3724
页数：3
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