Wright, I. A., Findlay, N. J. , Arumugam, S., Inigo, A. R., Kanibolotsky, A. L., Zassowski, P., Domagala, W. and Skabara, P. J. (2014) Fused H-shaped tetrathiafulvalene–oligothiophenes as charge transport materials for OFETs and OPVs. Journal of Materials Chemistry C, 2(15), pp. 2674-2683. (doi: 10.1039/C3TC32571G)
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Abstract
A series of hybrid tetrathiafulvalene–oligothiophene compounds has been synthesised, where the tetrathiafulvalene unit is fused at each side to an end-capped oligothiophene chain of varying length (terthiophene, quinquithiophene and septithiophene). Each hybrid structure (1–3) has been studied by cyclic voltammetry and triple EPR-UV-Vis-NIR spectroelectrochemistry in the case of the quinquithiophene compound (2). Comparison is made with the corresponding half-units, which lack the fulvalene core and contain just one oligothiophene chain. The highest hole mobility of quinquithiophene–TTF 2 was obtained from field effect transistors (8.61 × 10−3 cm2 V−1 s−1); its surface morphology was characterised by tapping mode atomic force microscopy and a power conversion of 2.5% was achieved from a bulk heterojunction organic solar cell device using PC71BM as the acceptor.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Skabara, Professor Peter and Findlay, Dr Neil |
Authors: | Wright, I. A., Findlay, N. J., Arumugam, S., Inigo, A. R., Kanibolotsky, A. L., Zassowski, P., Domagala, W., and Skabara, P. J. |
College/School: | College of Science and Engineering > School of Chemistry |
Journal Name: | Journal of Materials Chemistry C |
Publisher: | Royal Society of Chemistry |
ISSN: | 2050-7526 |
Published Online: | 10 March 2014 |
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