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Electrical, optical and hole transport mechanism in thin films of poly(3-octylthiophene-co-3-hexylthiophene): Synthesis and characterization

IR@NPL: CSIR-National Physical Laboratory, New Delhi

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Title Electrical, optical and hole transport mechanism in thin films of poly(3-octylthiophene-co-3-hexylthiophene): Synthesis and characterization
 
Creator Khan, Mohd Taukeer
Bajpai, Manisha
Kaur, Amarjeet
Dhawan, S. K.
Chanda, Suresh
 
Subject Materials Science
Physics
Polymer Science
 
Description The present study demonstrates the designing of copolymer poly(3-octylthiophene-co-3-hexylthiophene) (P3OT-HT) and study of the hole transport mechanism in it. Detailed structural, optical and thermal studies of P3OT-HT discuss its synthesis aspects. Current density–voltage characteristics have been studied at different temperatures (290–110 K) to understand the mechanism of hole transport in P3OT-HT. It has been established that current density in P3OT-HT thin films is governed by space charge limited conduction with traps distributed exponentially in energy and space. Hole mobility is both temperature and electric field dependent arising due to substituent functional groups attached the polymer backbone.
 
Publisher Elsevier
 
Date 2010-05-13
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://npl.csircentral.net/116/1/90.pdf
Khan, Mohd Taukeer and Bajpai, Manisha and Kaur, Amarjeet and Dhawan, S. K. and Chanda, Suresh (2010) Electrical, optical and hole transport mechanism in thin films of poly(3-octylthiophene-co-3-hexylthiophene): Synthesis and characterization. Synthetic Metals, 160 (13-14). pp. 1530-1534. ISSN 0379-6779
 
Relation http://dx.doi.org/10.1016/j.synthmet.2010.05.016
http://npl.csircentral.net/116/