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Issue 110, 2015
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Novel soluble thieno[3,2-b]thiophene fused porphyrazine

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The synthesis of the first soluble thieno[3,2-b]thiophene based porphyrazine (ZnTTPz) is reported from the cyclisation of 2,3-dicyano-5-octylthieno[3,2-b]thiophene. ZnTTPz can be considered the all thiophene analogue of naphthalocyanine. ZnTTPz exhibits a red-shifted absorption in solution and thin film, as well as a reduced band gap in comparison to the thiophene analogue due to an increased conjugation length. Films of ZnTTPz processed from solution exhibit p-type semiconducting behaviour in field-effect transistors with low hysteresis and reasonable charge carrier mobility.

Graphical abstract: Novel soluble thieno[3,2-b]thiophene fused porphyrazine

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The article was received on 02 Sep 2015, accepted on 14 Oct 2015 and first published on 14 Oct 2015

Article type: Paper
DOI: 10.1039/C5RA17859B
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Citation: RSC Adv., 2015,5, 90645-90650
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    Novel soluble thieno[3,2-b]thiophene fused porphyrazine

    A. Casey, Y. Han, M. F. Wyatt, T. D. Anthopoulos and M. Heeney, RSC Adv., 2015, 5, 90645
    DOI: 10.1039/C5RA17859B

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