Unusual electrochemical response of oligoalkylthiophene films : Involvement of bipolarons
Molecular Crystals and Liquid Crystals Volume 455 Issue 1
Page 367-372
published_at 2006-10-01
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| File | |
| Title ( eng ) |
Unusual electrochemical response of oligoalkylthiophene films : Involvement of bipolarons
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| Creator |
Liu Hongfang
Patil Rahul
Jiang Xiaoqing
Takimiya Kazuo
Otsubo Tetsuo
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| Source Title |
Molecular Crystals and Liquid Crystals
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| Volume | 455 |
| Issue | 1 |
| Start Page | 367 |
| End Page | 372 |
| Abstract |
Cyclic voltammograms of π-conjugated oligoalkylthiophene (13T) films are found to show two oxidation peaks during the 1st potential cycling up to 0.8 V. In the subsequent cycles, however, the 2nd oxidation peak disappears completely and the 1st peak shifts by ca. 0.1 V to the cathodic direction. This finding along with spectroscopic measurements of 13T film before and after electrochemical stimulus suggest first that two different phases to be oxidized at separate potentials coexist in a pristine 13T film and second that one phase can be switched to the other by being oxidized to generate bipolarons.
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| Keywords |
oligoalkylthiophene
π-conjugation
conformational change
bipolarons
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| NDC |
Chemical technology [ 570 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
Taylor and Francis
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| Date of Issued | 2006-10-01 |
| Rights |
Copyright (c) 2006 Taylor and Francis This is an electronic version of an article published in "Molecular Crystals and Liquid Crystals Vol.455 No.1 pp.367-372" Molecular Crystals and Liquid Crystals is available at: http://dx.doi.org/10.1080/15421400600698972
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| Publish Type | Author’s Original |
| Access Rights | open access |
| Source Identifier |
[NCID] AA11836169
[ISSN] 1542-1406
[DOI] 10.1080/15421400600698972
[DOI] http://dx.doi.org/10.1080/15421400600698972
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