Double 3-Ethyl-2,4-dimethylpyrrole Configured Fluorescent Dye with Fluorine-Boron As the Bridge

Overview

Journal J Fluoresc

Specialties Biophysics
Chemistry

Date 2021 Sep 14

PMID 34519935

Citations 6

Authors

Xiaochuan Li

Xinyu Guo

Yunfeng Chen

Ting Cui

Lina Xing

Affiliations

Soon will be listed here.

Abstract

Dipyrrolydiketones BF complex was synthesized and characterized by NMR, HRMS, and single crystal diffraction. In non-polar environment, this BF containing dye emitted bright blue-green fluorescence. No significant spectra shift was observed both in absorption and emission spectra, which indicates the insensitivity of absorption/emission toward environment. The alkyl substituted pyrrole rings lead to its highly emission character in solid state by enhancing the distance between dye molecules. Absolute quantum yields were determined to be 0.51-0.78/0.36 in selected organic medium and solid state, respectively. The emission dynamics was investigated by fluorescence lifetime and both monoexponential and bi-exponential decay was observed.

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