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Title: Fused H-shaped tetrathiafulvalene-oligothiophenes as charge transport materials for OFETs and OPVs
Authors: Wright, Iain A.
Findlay, Neil J.
Arumugam, Sasikumar
Inigo, Anto R.
Kanibolotsky, Alexander L.
Zassowski, Pawel
Domagala, Wojciech
Skabara, Peter J.
Issue Date: 2014
Publisher: © The Royal Society of Chemistry
Citation: WRIGHT, I.A. ...et al., 2014. Fused H-shaped tetrathiafulvalene-oligothiophenes as charge transport materials for OFETs and OPVs. Journal of Materials Chemistry C, 2 (15), pp. 2674 - 2683
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 cm 2 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. This journal is © the Partner Organisations 2014.
Description: This article was published in the journal Journal of Materials Chemistry C [© Royal Society of Chemistry] and the definitive version is available at: http://dx.doi.org/10.1039/c3tc32571g
Sponsor: P. J. S. thanks the Royal Society for a Wolfson Research Merit Award and the EPSRC for funding. W. D. & P. Z. acknowledge the support of the Laboratory of Advanced Spectroelectrochemical Studies, established with financial contribution of the Polish National Science Centre grant no. 2011/03/D/ST5/ 06042.
Version: Accepted for publication
DOI: 10.1039/c3tc32571g
URI: https://dspace.lboro.ac.uk/2134/25441
Publisher Link: http://dx.doi.org/10.1039/c3tc32571g
ISSN: 2050-7534
Appears in Collections:Published Articles (Chemistry)

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