期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 29, 期 24, 页码 1919-1925出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200800561
关键词
atom transfer radical polymerization (ATRP); free radical polymerization (FRP); phosphorescence; polymeric iridium(III)-complex; supramolecular structures
资金
- Dutch Polymer Institute
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek
- Fonds der Chemischen Industrie
- Interreg project OLED+
A methacrylate-functionalized phosphorescent Ir(III)-complex has been synthesized, characterized, and applied as a monomer in radical copolymerizations. Together with methyl methacrylate, the complex has been copolymerized under free radical polymerization conditions. Aiming for host-guest-systems, applicable e.g. in organic light emitting devices (OLEDs), the complex was further copolymerized with a methacrylate-functionalized carbazole derivative using the atom transfer radical polymerization technique. Applying gel permeation chromatography, in combination with a photodiode array detector, could clearly prove the formation of the copolymers. The optical properties of the photoactive monomers as well as the copolymers were investigated by absorption and emission spectroscopy (in solution). For the carbazole-copolymer, the emission originates almost exclusively from the complex. This provides evidence of an efficient intrachain energy transfer, which makes the system an interesting candidate for potential OLED applications.
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