Tuning the solid-state emission by co-crystallization through σ- and -hole directed intermolecular interactions

被引：30

作者：

Bhowal, Rohit ^{[1
]}

Biswas, Suprakash ^{[1
]}

Saseendran, Devi Prasad Adiyeri ^{[1
]}

Koner, Apurba L. ^{[1
]}

Chopra, Deepak ^{[1
]}

机构：

[1] Indian Inst Sci Educ & Res Bhopal, Dept Chem, Bhopal 462066, India

来源：

CRYSTENGCOMM | 2019年 / 21卷 / 12期

关键词：

CENTER-DOT-PI; HALOGEN BOND; LUMINESCENT PROPERTIES; OPTICAL-PROPERTIES; CHARGE-TRANSFER; PACKING; DESIGN; 1,4-DIIODOTETRAFLUOROBENZENE; PHOSPHORESCENCE; FLUORESCENCE;

D O I：

10.1039/c8ce02118j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Four new binary luminescent co-crystals and a co-crystal stoichiomorph comprising aromatic compounds and 1,4-diiodotetrafluorobenzene were successfully synthesized by the solvent drop grinding method. Structural features of these co-crystals indicate that the relative interplay of sigma- and -hole directed intermolecular interactions were observed to be responsible for modulating luminescence properties of those materials. Investigation of photoluminescence properties reveals that there is a substantial change in emission color from the starting aromatic materials to co-crystals. The IN and sigma-hole halogen bonds along with -hole interactions have been instrumental towards altering the emissive properties of the luminescent materials.

引用

页码：1940 / 1947

页数：8

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