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- Title
Supramolecular Sky-Blue Phosphorescent Polymer Iridium Complexes for Single-Emissive-Layer Organic Light-Emitting Diodes.
- Authors
Liang, Ai‐hui; Dong, Sheng; Zhang, Kai; Xiao, Xiao; Huang, Fei; Zhu, Xu‐Hui; Cao, Yong
- Abstract
Novel supramolecular phosphorescent polymers (SPPs) are synthesized as a new class of solution-processable electroluminescent emitters. The formation of these SPPs takes advantage of the efficient non-bonding assembly between bis(dibenzo-24-crown-8)-functionalized iridium complex monomer and bis(dibenzylammonium)-tethered co-monomer, which is monitored by 1H NMR spectroscopy and viscosity measurements. These SPPs show good film morphology and an intrinsic glass transition with a Tg of 94-116 °C. Noticeably, they are highly photoluminescent in solid state with quantum efficiency up to ca. 78%. The photophysical and electroluminescent properties are strongly dependent on the molecular structures of the iridium complex monomers.
- Subjects
LIGHT emitting diodes; RHEOLOGY; CHEMICALS; PLATINUM group; POLYMERS; GLASS
- Publication
Macromolecular Rapid Communications, 2013, Vol 34, Issue 16, p1301
- ISSN
1022-1336
- Publication type
Article
- DOI
10.1002/marc.201300254