Azadipyrromethene cyclometalation in neutral Ru super(II) complexes: photosensitizers with extended near-infrared absorption for solar energy conversion applications
In the on-going quest to harvest near-infrared (NIR) photons for energy conversion applications, a novel family of neutral ruthenium(ii) sensitizers has been developed by cyclometalation of an azadipyrromethene chromophore. These rare examples of neutral ruthenium complexes based on polypyridine lig...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2016-06, Vol.45 (26), p.10563-10576 |
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| container_issue | 26 |
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| container_title | Dalton transactions : an international journal of inorganic chemistry |
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| creator | Bessette, Andre Cibian, Mihaela Ferreira, Janaina G DiMarco, Brian N Belanger, Francis Desilets, Denis Meyer, Gerald J Hanan, Garry S |
| description | In the on-going quest to harvest near-infrared (NIR) photons for energy conversion applications, a novel family of neutral ruthenium(ii) sensitizers has been developed by cyclometalation of an azadipyrromethene chromophore. These rare examples of neutral ruthenium complexes based on polypyridine ligands exhibit an impressive panchromaticity achieved by the cyclometalation strategy, with strong light absorption in the 600-800 nm range that tails beyond 1100 nm in the terpyridine-based adducts. Evaluation of the potential for Dye-Sensitized Solar Cells (DSSC) and Organic Photovoltaic (OPV) applications is made through rationalization of the structure-property relationship by spectroscopic, electrochemical, X-ray structural and computational modelization investigations. Spectroscopic evidence for photo-induced charge injection into the conduction band of TiO sub(2) is also provided. |
| doi_str_mv | 10.1039/c6dt00961a |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 1477-9226 |
| ispartof | Dalton transactions : an international journal of inorganic chemistry, 2016-06, Vol.45 (26), p.10563-10576 |
| issn | 1477-9226 1477-9234 |
| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Charge injection Conduction band Near infrared radiation Photons Photovoltaic cells Solar cells Spectroscopy Titanium dioxide |
| title | Azadipyrromethene cyclometalation in neutral Ru super(II) complexes: photosensitizers with extended near-infrared absorption for solar energy conversion applications |
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