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Oligothiophene cruciform with a Germanium spiro center: A promising material for organic photovoltaics
journal contribution
posted on 2017-06-16, 08:40 authored by Iain Wright, Alexander L. Kanibolotsky, Joseph Cameron, Tell Tuttle, Peter J. Skabara, Simon J. Coles, Calvyn T. Howells, Stuart A. J. Thomson, Salvatore Gambino, Ifor D. W. SamuelX marks the spot! A fascinating packing motif is observed in a novel cruciform oligothiophene containing a Ge (violet; see picture) spiro center. Long-range interchain interactions between molecules and strong electronic coherence between orthogonal chains within the molecules are present. Such ordering is advantageous for bulk charge transport, as demonstrated by high short-circuit currents in bulk heterojunction organic solar cells. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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