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Issue 1, 2011
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Panchromatic ruthenium sensitizer based on electron-rich heteroarylvinylene π-conjugated quaterpyridine for dye-sensitized solar cells

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Abstract

The first example of a heteroarylvinylene π-conjugated quaterpyridine Ru(II) sensitizer (N1044) was synthesized and used in dye-sensitized solar cells; the dye has an effective panchromatic absorption band, covering the entire visible spectrum up to the NIR region, and superior electrochemical characteristics (HOMO/LUMO and bandgap energies) with respect to previous representative Ru(II) bi- and quaterpyridine sensitizers. A record IPCE curve ranging from 360 to 920 nm has been measured with a maximum of 65% at 646 nm and still 33% efficiency at 800 nm; this leads to substantially increased photocurrent (19.2 mA cm−2) when compared to the prototype N719 Ru(II) sensitizer.

Graphical abstract: Panchromatic ruthenium sensitizer based on electron-rich heteroarylvinylene π-conjugated quaterpyridine for dye-sensitized solar cells

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Publication details

The article was received on 08 Sep 2010, accepted on 05 Oct 2010 and first published on 16 Nov 2010


Article type: Paper
DOI: 10.1039/C0DT01190H
Citation: Dalton Trans., 2011,40, 234-242
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    Panchromatic ruthenium sensitizer based on electron-rich heteroarylvinylene π-conjugated quaterpyridine for dye-sensitized solar cells

    A. Abbotto, F. Sauvage, C. Barolo, F. De Angelis, S. Fantacci, M. Graetzel, N. Manfredi, C. Marinzi and M. K. Nazeeruddin, Dalton Trans., 2011, 40, 234
    DOI: 10.1039/C0DT01190H

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