Sattler, Wesley and Winkler, Jay R. and Gray, Harry B. (2014) Tungsten photosensitizers. In: 248th American Chemical Society National Meeting & Exposition, August 10-14, 2014, San Francisco, CA. https://resolver.caltech.edu/CaltechAUTHORS:20140813-091541691
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Abstract
The development of photosensitizers is of great interest due to their ability to carry out difficult inorg. and org. reactions in their excited states. We have developed a new class of homoleptic arylisocyanide tungsten photosensitizers, W(CNAr)_6, and studied their photoelectrochem. properties. A modular synthesis allows for the prodn. of a variety of oligoaryl isocyanide complexes of tungsten, all of which display intense metal-to-ligand charge transfer (MLCT) absorptions in the visible region. Their excited states, *W(CNAr)_6, are highly emissive with lifetimes ranging from 17 ns to 3.0 μs depending on the arylisocyanide ligand. *W(CNAr)_6, are extremely powerful reductants: [W(CNAr)_6]^+/*W(CNAr)_6 redn. potentials are more neg. than -2.6 V vs. Cp2Fe^+/Cp2Fe.
| Item Type: | Conference or Workshop Item (Paper) | ||||||||
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| Additional Information: | © 2014 American Chemical Society. | ||||||||
| Record Number: | CaltechAUTHORS:20140813-091541691 | ||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140813-091541691 | ||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||
| ID Code: | 48484 | ||||||||
| Collection: | CaltechAUTHORS | ||||||||
| Deposited By: | Tony Diaz | ||||||||
| Deposited On: | 13 Aug 2014 16:19 | ||||||||
| Last Modified: | 22 Nov 2019 09:58 |
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