A panchromatic, near infrared Ir(III) emitter bearing a tripodal C^N^C ligand as a dye for dye-sensitized solar cells
A panchromatic absorbing, NIR emitting neutral iridium complexes bearing a tripodal 2-(bis(4-(tert-butyl)phenyl)methyl)pyridinato (dtBubnpy) ligand, a bidentate diethyl [2,2′-bipyridine]-4,4′-dicarboxylate (deeb) ligand and a chloro ligand is reported. This complex was used as a dye in a dye-sensiti...
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Published in | Polyhedron Vol. 140; pp. 109 - 115 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Elsevier Ltd
08.02.2018
Elsevier |
Subjects | |
Online Access | Get full text |
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Summary: | A panchromatic absorbing, NIR emitting neutral iridium complexes bearing a tripodal 2-(bis(4-(tert-butyl)phenyl)methyl)pyridinato (dtBubnpy) ligand, a bidentate diethyl [2,2′-bipyridine]-4,4′-dicarboxylate (deeb) ligand and a chloro ligand is reported. This complex was used as a dye in a dye-sensitized solar cell.
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The synthesis of a new complex of the form [Ir(C^N^C)(N^N)Cl] [where C^N^C = 2-(bis(4-(tert-butyl)phenyl)methyl)pyridinato (dtBubnpy, L1) and N^N is diethyl [2,2′-bipyridine-4,4′-dicarboxylate (deeb)] is reported. The crystal structure reveals an unusual tripodal tridentate C^N^C ligand forming three six-membered rings around the iridium center. The photophysical and electrochemical properties suggest the use of this complex as a dye in dye-sensitized solar cells. Time-Dependent Density Functional Theory (TD-DFT) calculations have been used to reveal the nature of the excited-states. |
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ISSN: | 0277-5387 0277-5387 |
DOI: | 10.1016/j.poly.2017.12.003 |