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Issue 38, 2012
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Thiocyanate-free cyclometalated ruthenium sensitizers for solar cells based on heteroaromatic-substituted 2-arylpyridines

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Abstract

The first examples of thiocyanate-free thiophene-substituted Ru(II) cyclometalated complexes, based on thiophene-derived 2-(2,4-difluorophenyl)pyridine ligands, are presented and investigated as photosensitizers in DSCs. Upon thiophene substitution the complexes presented enhanced optical properties compared to the reference dye with no thiophene substitution. DSCs based on the dithienyl-derived dye showed power conversion efficiencies up to 5.7%, more than twice that containing the complex without the thiophene substitution.

Graphical abstract: Thiocyanate-free cyclometalated ruthenium sensitizers for solar cells based on heteroaromatic-substituted 2-arylpyridines

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Publication details

The article was received on 24 Feb 2012, accepted on 26 Jul 2012 and first published on 30 Jul 2012


Article type: Paper
DOI: 10.1039/C2DT31551C
Citation: Dalton Trans., 2012,41, 11731-11738
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    Thiocyanate-free cyclometalated ruthenium sensitizers for solar cells based on heteroaromatic-substituted 2-arylpyridines

    A. Abbotto, C. Coluccini, E. Dell'Orto, N. Manfredi, V. Trifiletti, M. M. Salamone, R. Ruffo, M. Acciarri, A. Colombo, C. Dragonetti, S. Ordanini, D. Roberto and A. Valore, Dalton Trans., 2012, 41, 11731
    DOI: 10.1039/C2DT31551C

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