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Issue 39, 2012
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Liquid crystalline hexa-peri-hexabenzocoronene-diketopyrrolopyrrole organic dyes for photovoltaic applications

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Abstract

A series of liquid crystalline organic dyes consisting of fluorenyl hexa-peri-hexabenzocoronene (FHBC) and diketopyrrolopyrrole (DPP) units was synthesised and characterised. Their thermotropic behaviour is a result of the strong π–π association between FHBC units while the DPP unit enhances light absorption. With small changes in the molecular structure, significant differences in molecular organisation were observed in solid state. In turn, the molecular arrangement led to variations in the semiconducting properties of these materials and, ultimately, their performance in organic solar cells.

Graphical abstract: Liquid crystalline hexa-peri-hexabenzocoronene-diketopyrrolopyrrole organic dyes for photovoltaic applications

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Publication details

The article was received on 06 Jul 2012, accepted on 19 Aug 2012 and first published on 05 Sep 2012


Article type: Paper
DOI: 10.1039/C2JM34394K
J. Mater. Chem., 2012,22, 21131-21137

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    Liquid crystalline hexa-peri-hexabenzocoronene-diketopyrrolopyrrole organic dyes for photovoltaic applications

    W. W. H. Wong, J. Subbiah, S. R. Puniredd, B. Purushothaman, W. Pisula, N. Kirby, K. Müllen, D. J. Jones and A. B. Holmes, J. Mater. Chem., 2012, 22, 21131
    DOI: 10.1039/C2JM34394K

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