Shao, Z., Rannou, P., Sadki, S., Fey, N., Lindsay, D.M. and Faul, C.F.J. (2011) Delineating poly(aniline) redox chemistry by using tailored oligo(aryleneamine)s: towards oligo(aniline)-based organic semiconductors with tunable optoelectronic properties. Chemistry: A European Journal, 17(44), pp. 12512-12521. (doi: 10.1002/chem.201101697)
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Abstract
The simple and elegant Buchwald–Hartwig cross-coupling reaction has been used to synthesise a designed range of new aniline-based tetramers in one step, and without the need for protecting groups. Variation of the central aromatic ring has provided the opportunity to carefully tune the optoelectronic properties in this series, thus enabling a structure–activity relationship study by using a range of photophysical and electrochemical techniques. As a result, the long-proposed sequences of electron-electron (EE) and electron-chemical (EC) processes that support the complex redox and proton-transfer reactions involved in the well-known switching of redox states of poly- and oligo(aniline)s are revealed here for the first time. We also present the initial results from time-dependent DFT calculations to clarify the optoelectronic behaviour of these oligomers. The dc-conductivity measurements of conducting thin films of this series, doped with the prototypical poly(aniline) protonating agent d,l-camphor-10-sulfonic acid (CSA), externally plasticised with triphenyl phosphate (TPP), and processed from m-cresol (MC) solutions, are also presented.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Lindsay, Dr David |
| Authors: | Shao, Z., Rannou, P., Sadki, S., Fey, N., Lindsay, D.M., and Faul, C.F.J. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Chemistry: A European Journal |
| Journal Abbr.: | Chem. Eur J. |
| ISSN: | 0947-6539 |
| ISSN (Online): | 1521-3765 |
| Published Online: | 16 September 2011 |
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