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Assignment of the luminescing states of [Au(I)Ir(I)(CO)Cl(μ-dppm)2][PF6]

✍ Scribed by D.R. Striplin; J.A. Brozik; G.A. Crosby

Book ID: 103034526
Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 452 KB
Volume: 231
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(94)01256-3

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✦ Synopsis

Excitation spectra, photoemission spectra, and phosphorescence decay times were measured on the title compound. Results are consistent with an Ir( I) -Au (I) orbital promotion leading to a lowest 'A, state and a corresponding low-lying 'A, term that splits into (B,, B,)Bnd A2 states by spin-orbit coupling in approximate Czv symmetry. Analysis of T-dependent decay times and emission polarization results indicates that the B,, Bz states are nearly degenerate and lie n. 90 cm-' above the Az state that is formally forbidden in Czv. There is also quadratic dependence of the decay rate of the Az state on applied magnetic-field strength.

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