Tsuboi, T. and Murayama, H. and Penzkofer, Alfons (2005) Energy transfer in a thin film of TPD fluorescent molecules doped with PtOEP and Ir(ppy)(3) phosphorescent molecules. APPLIED PHYSICS B-LASERS AND OPTICS, 81 (1). pp. 93-99. ISSN 0946-2171, 1432-0649
Full text not available from this repository. (Request a copy)Abstract
A thin film of triphenylamine dimer, N,N'-bis(3-methylphenyl)-N,N'-bis(phenyl)-benzidine (TPD), doped with fac tris(2-phenylpyridine) iridium (Ir(ppy)(3)) and platinum octaethyl porphine (PtOEP) is characterized by photoluminescence emission measurements at several excitation wavelengths and photoluminescence excitation measurements at relevant emission wavelengths in the temperature range from 10 K to room temperature. The investigated film is a phosphorescent OLED material with singlet absorbing host (TPD) and triplet emitting guests [Ir(ppy)(3) and PtOEP]. At short wavelength excitation simultaneous triple band emission from singlet TPD, triplet Ir(ppy)(3) and TPD, and from triplet PtOEP is observed. Forster-type singlet-singlet state energy transfer from TPD to Ir(ppy)(3) and PtOEP, intra-component intersystem crossing, and Dexter-type triplet-triplet energy transfer between the substituents are studied.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | LIGHT-EMITTING DEVICES; ORGANIC ELECTROLUMINESCENT DEVICES; 8-HYDROXYQUINOLINE ALUMINUM; TRIPLET ENERGY; SPECTROSCOPIC CHARACTERIZATION; OPTICAL CHARACTERISTICS; TRANSIENT ANALYSIS; AROMATIC DIAMINE; NEAT FILMS; DIODES; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Alfons Penzkofer |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 04 May 2021 12:29 |
| Last Modified: | 04 May 2021 12:29 |
| URI: | https://pred.uni-regensburg.de/id/eprint/35896 |
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