Tuning colorful luminescence of iridium(III) complexes from blue to near infrared

被引：17

作者：

Li, Chao-Jie ^{[1
]}

Yin, Shao-Yun ^{[1
]}

Wang, Hai-Ping ^{[2
]}

Wei, Zhang-Wen ^{[1
]}

Pan, Mei ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Chem, Lehn Inst Funct Mat, MOE Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China

[2] Wuyi Univ, Sch Biotechnol & Hlth Sci, Jiangmen 529020, Peoples R China

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2019年 / 379卷

关键词：

Ir(III) complex; Luminescence; Blue to near infrared; IR(III) COMPLEXES; PHOSPHORESCENT; EMISSION; GREEN;

D O I：

10.1016/j.jphotochem.2019.04.030

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Five cyclometalated Ir(III) complexes with high phosphorescence efficiencies have been synthesized from 1,3-bis (1-propyl-1H-benzo[d] imidazol-2-yl)benzene (Pro-MBImB) or 2-(2,4-Difluorophenyl)pyridine (Fppy) based ligands with different ancillary ligands. It was found that these complexes have a wide range of emitting wavelength, covering the whole visible region, with moderately long lifetime (81-2159 ns) and high quantum yield (75-89%). Especially, the introduction of electron withdrawing - COOEt group onto the ancillary ligand extends the emission wavelength and affords good red-light emitting properties, and the obtained CIE (Commission Internationale de L'Eclairage) coordinates of (0.69, 0.31) in complex 2 are close to the standard red light and approaching near infrared region.

引用

页码：99 / 104

页数：6

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