Graf, Marion and Suenkel, Karlheinz and Czerwieniec, Rafal and Boettcher, Hans-Christian (2013) Luminescent diiridium(III) complex with a bridging biuretato ligand in unprecedented N,N ':O,O ' coordination. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 745. pp. 341-346. ISSN 0022-328X, 1872-8561
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The synthesis, crystal structure, and photophysical properties of the novel bis-cyclometalated complex Lambda,Delta-[Ir-2(mu-biuretato-N,N':O,O')(ptpy)(4)] (2), with ptpy 2-(p-tolyl) pyridinato, prepared in the reaction of [{Ir(mu-Cl)(ptpy)(2)}(2)] (1) with biuret under basic conditions, were investigated. This new compound displays intense green phosphorescence, e.g. with lambda(em) = 518 nm, phi(PL) = 55%, and tau = 1.5 mu s in poly(methyl methacrylate) at 300 K, assigned to a (MLCT)-M-3/LC excited state. (C) 2013 Elsevier B. V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | CYCLOMETALATED IRIDIUM(III) COMPLEXES; EMITTING ELECTROCHEMICAL-CELLS; EFFICIENT PHOSPHORESCENT OLEDS; TRIPLET-STATE PROPERTIES; ZETA VALENCE QUALITY; GAUSSIAN-BASIS SETS; MOLECULAR-STRUCTURE; ATOMS LI; BLUE; DEVICES; Iridium; Cyclometalated complexes; Biuretato ligands; Crystal structure; Absorption and emission spectrum |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 26 Mar 2020 10:15 |
| Last Modified: | 26 Mar 2020 10:15 |
| URI: | https://pred.uni-regensburg.de/id/eprint/15672 |
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