期刊
JOURNAL OF PHYSICAL CHEMISTRY A
卷 113, 期 4, 页码 726-735出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp807429h
关键词
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资金
- Swedish Institute [01403/2007]
- Ukrainian-Rotnanian
Time-dependent density functional theory with linear and quadratic response technology is used to calculate electronic structure, spectra, and spin-orbit coupling effects for analysis, of the main mechanism for phosphorescence of the recently synthesized iridium complex [bis(2-phenylpyridine)(2-carboxy-4-dimethyl-aminopyridine)iridium(III)]. This compound exhibits strong green phosphorescence which is used in solution processable organic light-emitting diode devices (OLEDs) to overcome the efficiency limit imposed by the formation of triplet excitons. Attempting to foresee new structure-property relations that can guide an improved design of OLED devices based on phosphorescence of the lowest triplet state, we have conducted a theoretical analysis of the photophysical properties of a series of iridium cyclometalated complexes.
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