Enhanced properties in chemically polymerized poly(terthiophene) using vapour phase techniques

Bayley, P. M., Winther-Jensen, B., MacFarlane, D. R., Rocher, N. M. and Forsyth, M. 2008, Enhanced properties in chemically polymerized poly(terthiophene) using vapour phase techniques, Reactive and functional polymers, vol. 68, no. 7, pp. 1119-1126, doi: 10.1016/j.reactfunctpolym.2008.03.004.

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Title Enhanced properties in chemically polymerized poly(terthiophene) using vapour phase techniques
Author(s) Bayley, P. M.
Winther-Jensen, B.
MacFarlane, D. R.
Rocher, N. M.
Forsyth, M.ORCID iD for Forsyth, M. orcid.org/0000-0002-4273-8105
Journal name Reactive and functional polymers
Volume number 68
Issue number 7
Start page 1119
End page 1126
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2008-07
ISSN 1381-5148
Keyword(s) poly(thiophene)
vapour phase polymerization
raman spectroscopy
Summary Poly(terthiophene) is an electronically conducting polymer with potential applications in solar energy devices. In the present study a series of poly(terthiophene) (PTTh) films are chemically polymerized (CP) at various temperatures and compared with a novel method of vapour phase polymerization (VPP). Utilizing the thiophene trimer (terthiophene) as the starting material, polymerization is achieved with Fe(III) tosylate. The films are characterized by their Raman and absorption spectra, in addition to differential scanning calorimetry (DSC), optical microscopy, electrochemical impedance spectroscopy (EIS) and four-point probe surface conductivity measurements. From the spectroscopy studies, increased conjugation length of the polymer chains with decreasing temperature or vapour phase polymerization is evident. More surprisingly, DSC results indicate the order of the polymer chains is dramatically enhanced by vapour phase polymerization and the D.C. conductivity is an order of magnitude higher for VPP compared with traditional CP films. Additionally, the optical micrographs reveal a significantly different morphology than the films cast from solution.
Language eng
DOI 10.1016/j.reactfunctpolym.2008.03.004
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2008, Elsevier Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030058

Document type: Journal Article
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