| Synthesis and Luminescent Properties of Cationic Ir（Ⅲ） Complexes of 2-Phenylquinoline Derivatives |
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| 作者姓名： | TONG Bi-Hai ZHANG Ye MEI Qun-Bo ZHANG Qian-Feng |
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| 作者单位： | 1. College of Metallurgy and Resources, Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Maanshan 243002, China
2. Department of Chemistry and Engineering Technology, Guilin Normal Cllege, Guilin 541001, China
3. Jiangsu Key Lab of Organic Electronics ＆ Information Displays and Institute of Advanced Materials （IAM）, Nanjing University of Posts ＆ Telecommunications OVUPT）, Nanjing 210046, China |
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| 摘 要： | Two cationic iridium(III) complexes, (pqcm)2Ir(pybz)](PF6) (Ir1) and (pqcm)2Ir(apybz)](PF6) (Ir2) (pqcmH=2-phenyl-quinoline-4-carboxylic acid methyl ester, pybz=2-pyridyl-benzimidazole, apybz=1-allyl-2-pyridyl-benzimidazole), were readily synthesized from the reaction of IrIII-μ-chloro-bridged dimer Ir(pqcm)2(Cl)]2 and corresponding ancillary ligands, and characterized by NMR and mass spectroscopies. The structure of Ir2 was also confirmed by single-crystal X-ray diffraction. The photophysical properties of the two complexes were also investigated. Ir1 shows deep red emission peaked at around 652 nm with the phosphorescence quantum yield of ca. 0.29 and the emission lifetime of 233 ns, while Ir2 shows red emission peaked at around 615 nm with the phosphorescence quantum yield of ca. 0.13 and the emission lifetime of 430 ns. The active hydrogen on pybz ligand is believed to have a great influence on the photophysical properties of Ir1.
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| 关 键 词： | 喹啉衍生物 配合物 阳离子 发光性能 合成 苯基 单晶X-射线衍射 光物理性质 |
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