期刊
APPLIED PHYSICS LETTERS
卷 101, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4767990
关键词
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资金
- Indo-French Centre for the Promotion of Advanced Research (IFCPAR) through project ON Flexi-sensors [4705-C]
- DAE-SRC Outstanding Research Investigator Award [2008/21/05-BRNS]
- Prospective Research Funds [2008/38/02-BRNS]
The structural and charge transport characteristics of cobalt phthalocyanine (CoPc) films deposited on flexible bi-axially oriented polyethylene terephthalate (BOPET) substrates are investigated. CoPc films exhibited a preferential (200) orientation with charge carrier mobility of similar to 118 cm(2) V-1 s(-1) (at 300 K). These films exhibited a reversible resistance changes upon bending them to different radius of curvature. The charge transport in CoPc films is governed by a bias dependent crossover from ohmic (J-V) to trap-free space-charge limited conduction (J-V-2). These results demonstrate that CoPc films on flexible BOPET having high mobility and high mechanical flexibility are a potential candidate for flexible electronic devices. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4767990]
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