期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 10, 页码 1531-1534出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201100089
关键词
Porphyrinoids; Iridium; Phosphorescence; Optical sensors; Oxygen
资金
- Austrian Science Fund (FWF) [P21192-N17]
- Austrian Science Fund (FWF) [P21192] Funding Source: Austrian Science Fund (FWF)
Synthesis and characterization of four iridium(III)-octaethylporphyrins and a pi-extended iridium(III)-benzoporphyrin are presented. Strong room-temperature phosphorescence was observed for all of the complexes with quantum yields of up to 30%. Axial ligands were introduced to tune the photophysical properties and the solubility. Complexes bearing lipophilic ligands such as pyridine or N-(n-butyl)imidazole were incorporated into polystyrene to obtain optical oxygen sensors. Covalent coupling of the dye is possible by introduction of ligands with binding domains (1-imidazoleacetic acid). This enabled preparation of a water-soluble oxygen probe (by staining bovine serum albumin) and a trace oxygen sensor (by coupling to amino-modified silica gel).
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