Observation of persistent photoconductivity in conducting polyaniline thin films

被引：29
|
作者：
Bubb, DM
O'Malley, SM
Antonacci, C
Belmont, R
McGill, RA
Crimi, C
机构：
[1] Seton Hall Univ, Dept Phys, S Orange, NJ 07079 USA
[2] USN, Res Lab, Washington, DC 20375 USA
[3] Seton Hall Univ, Dept Chem & Biochem, S Orange, NJ 07079 USA
[4] Seton Hall Univ, Dept Biol, S Orange, NJ 07079 USA
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2005年 / 81卷 / 01期
关键词：
D O I：
10.1007/s00339-004-3061-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Conducting polyaniline thin films have been deposited by a laser-based vaporization technique. The films have been characterized by infrared spectroscopy, UV-Vis spectroscopy, four-point conductivity measurements, thermogravimetric analysis, and fluorescence measurements. In addition, the films have been characterized with respect to their photoconductive response to 532-nm laser light. It is found that the films exhibit persistent photoconductivity and it is proposed that defect base sequences may be responsible for the charge localization that results in such a photoconductive response.
引用
收藏
页码：119 / 125
页数：7
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