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Issue 32, 2014
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Extended conjugation in poly(triarylamine)s: synthesis, structure and impact on field-effect mobility

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Abstract

Polytriarylamines with extended fused backbones are accessible by the coupling of anilines with dibromoarenes based on substituted indenofluorenes, diindenofluorenes, carbazoles and indolocarbazoles. The optical and electrochemical properties of these polymers show an increase in the HOMO energy levels and the onset of absorption on extending the length of the fused ring segment. The polymer derived from the indenofluorene unit shows the highest reported performance for a polytriarylamine in an OFET and this observation can be rationalized by DFT calculations of model oligomers that show higher calculated reorganization energies for the more extended diindenofluorene units.

Graphical abstract: Extended conjugation in poly(triarylamine)s: synthesis, structure and impact on field-effect mobility

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Publication details

The article was received on 29 Apr 2014, accepted on 11 Jun 2014 and first published on 12 Jun 2014


Article type: Paper
DOI: 10.1039/C4TC00871E
Citation: J. Mater. Chem. C, 2014,2, 6520-6528
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    Extended conjugation in poly(triarylamine)s: synthesis, structure and impact on field-effect mobility

    R. S. Sprick, M. Hoyos, M. S. Wrackmeyer, A. V. Sheridan Parry, I. M. Grace, C. Lambert, O. Navarro and M. L. Turner, J. Mater. Chem. C, 2014, 2, 6520
    DOI: 10.1039/C4TC00871E

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