Synthesis and Characterization of Oxetane-Functionalized Phosphorescent Ir(III)-Complexes
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Ulbricht, Christoph; Rehmann, Nina; Holder, Elisabeth; Hertel, Dirk; Meerholz, Klaus; Schubert, Ulrich S.
- Abstract:
- In order to incorporate iridium(III) complexes covalently into an oxetane-bearing holetransporting
matrix, a new oxetane-equipped acetoacetate derivative was introduced as an
ancillary ligand. Model complexes with an analogical nonpolymerizable ligand were also
prepared in order to perform comparative investigations.
Therefore, a series of bis-cyclometalated Ir(III) complexes, showing orange (C^N-ligand,
coumarin 6) and green (C^N-ligand, phenylpyridine) emission were synthesized and fully
characterized. The emission maxima are 569 nm
for the orange and 518 nm for the green-emitting
Ir(III) complexes. Entirely solution processed
devices, based on crosslinkable hole-conductors,
partially doped with the described orange and
green Ir(III) emitters, respectively, were fabricated
and tested.
- Year:
- 2009
- Type of Publication:
- Article
- Journal:
- Macromolecular Chemistry and Physics
- Volume:
- 210
- Pages:
- 531 - 541