2-(2′-Hydroxyphenyl)benzimidazole and 9,10-Phenanthroimidazole Chelates and Borate Complexes: Solution- and Solid-State Emitters

被引：130

作者：

Benelhadj, Karima ^{[1
]}

Massue, Julien ^{[1
]}

Retailleau, Pascal ^{[2
]}

Ulrich, Gilles ^{[1
]}

Ziessel, Raymond ^{[1
]}

机构：

[1] Ecole Chim Polymeres Mat Strasbourg ECPM, Lab Chim Organ & Spect Avancees ICPEES LCOSA, CNRS UMR7515, F-67087 Strasbourg 02, France

[2] ICSN CNRS, Lab Crystallochim, F-91198 Gif Sur Yvette, France

来源：

ORGANIC LETTERS | 2013年 / 15卷 / 12期

关键词：

INTRAMOLECULAR PROTON-TRANSFER; AGGREGATION-INDUCED EMISSION; BORON-FLUORINE DERIVATIVES; LARGE STOKES SHIFT; FLUORESCENCE PROPERTIES; BODIPY DYES; NAPHTHYRIDINE-BF2; COMPLEXES; SPECTROSCOPIC PROPERTIES; CHARGE-TRANSFER; DIFLUORIDE;

D O I：

10.1021/ol400849a

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The synthesis, structural, and optical properties of a series of luminescent N-alkylated 2-(2'-hydroxyphenyl)benzimidazole (HBI) or N-arylated 9,10-phenanthroimidazole (HPI) borate complexes are described. The optical properties of these complexes as well as their corresponding ligands were evaluated in solution and the solid state. Efficient emission in the blue-green region was obtained with quantum yields up to 91% In CH2Cl2 and 27% in the solid state. These emissions originate from excited state intramolecular proton transfer (ESIPT) for the ligands and from a singlet excited state for the borate complexes.

引用

页码：2918 / 2921

页数：4

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