期刊
DALTON TRANSACTIONS
卷 40, 期 1, 页码 234-242出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0dt01190h
关键词
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资金
- EU [212792]
- University of Turin
- Fondazione Istituto Italiano di Tecnologia
- MIUR-FIRB [RBNE033KMA]
- MIUR-PRIN [2008CSNZFR]
- Ministry of Education, Science and Technology [R31-2009-000-10035-0, FP7- NMP-LA-2009-229036]
- European Community [FP7/2007-2013, 227057]
The first example of a heteroarylvinylene pi-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.
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