Kunkely, Horst and Vogler, Arnd (2005) Excited state properties of [Pd-0(NHC)(quinone)](2) with NHC=1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene and quinone=1,4-naphthoquinone. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 690 (24-25). pp. 6051-6053. ISSN 0022-328X, 1872-8561
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The carbene complex [Pd-0(NHC)(quinone)](2)with NHC = 1,3-bis(2,4,6-trimethylphenyl)-imidazol-2-ylidene and quinone = 1,4-naphthoquinone shows two long-wavelength absorptions at 312 and 399 nm which are assigned to (NHC -> quinone) LLCT and (Pd-0 -> quinone) MLCT transitions. The MLCT state is not reactive, but emissive (gimel(max) = 564 nm at 77 K). At r.t., the complex undergoes a photoredox decomposition which is initiated by the LLCT state. (c) 2005 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | N-HETEROCYCLIC CARBENES; CHARGE-TRANSFER EXCITATION; METAL-COMPLEXES; LIGANDS; electronic spectra; charge transfer; photochemistry; photoluminescence; palladium complexes; carbene complexes |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie > Alumni or Retired Professors > Prof. Dr. Arnd Vogler |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 20 Apr 2021 11:12 |
| Last Modified: | 20 Apr 2021 11:12 |
| URI: | https://pred.uni-regensburg.de/id/eprint/35376 |
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