Blue-green Phosporescent Iridium Complex with Terdentate Ligand

被引：0
|
作者：
Chen Man [1 ]
Wang Xue-Mei [1 ]
He Yu-Heng [1 ]
Yang Jian [1 ]
Wang Song [1 ]
Tong Bi-Hai [1 ]
机构：
[1] Anhui Univ Technol, Sch Met Engn, Maanshan 243002, Anhui, Peoples R China
来源：
CHINESE JOURNAL OF STRUCTURAL CHEMISTRY | 2016年 / 35卷 / 01期
基金：
中国国家自然科学基金;
关键词：
iridium complex; aggregation induced emission (AIE); crystal structure; phosphorescence;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
An ionic iridium(III) complex [Ir(F(2)dpyb)(bzdpp)(2)C1]OTf] with 1,3-difluoro-4,6-di(2-pyridinyl) benzene (F(2)dpybH) terdentate ligand and benzyldiphenylphosphine (bzdpp) ligand was synthesized and characterized. The structure of iridium complex was verified by single-crystal X-ray crystallography. It crystallizes in monoclinic, space group P2(1)/n with a = 14.3654(7), b = 23.0026(10), c = 15.7964(7) angstrom,beta = 97.6029(11), V = 5173.9(4) angstrom(3), Z = 4, F(000) = 2552, D-c = 1.645 Mg/m(3), M-r = 1281.49 and mu = 0.071 mm(-1). The UV-vis absorption and phosphorescence of the complex were discussed. The complex was 'aggregation induced emission (AIE)' active. It exhibited no emission in CH2Cl2 solution but strong blue-green emission in solid state under ultraviolet light excitation. The complex emitted a strong phosphorescence centered at 493 nm when doped in PMMA. Its lifetime is 0.755 mu s and quantum yield is approximately 0.134.
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页码：114 / 118
页数：5
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