Alignment of supramolecular J-aggregates based on uracil-functionalized BODIPY dye for polarized photoluminescence

A BODIPY dye functionalized with uracil-ethynyl groups at the 2,6-positions supramolecularly polymerized into J-aggregates directed by intermolecular H-bonds and featured intense absorption and resonant fluorescence. The alignment of J-aggregated chromophores in a thin film was achieved by a rubbing...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2020-10, Vol.56 (8), p.1269-1272
Main Authors: Zhang, Yongjie, Liu, Ping, Pan, Hongfei, Dai, Haitao, Ren, Xiang-Kui, Chen, Zhijian
Format: Article
Language:English
Subjects:
Aggregates
Alignment
Chromophores
Dyes
Fluorescence
Photoluminescence
Rubbing
Thin films
Uracil
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Summary:A BODIPY dye functionalized with uracil-ethynyl groups at the 2,6-positions supramolecularly polymerized into J-aggregates directed by intermolecular H-bonds and featured intense absorption and resonant fluorescence. The alignment of J-aggregated chromophores in a thin film was achieved by a rubbing method and polarized photoluminescence with a dichroic ratio up to 14.3 was obtained. The H-bonding directed supramolecular J-aggregates of a uracil-functionalized BODIPY dye are uniaxially aligned through the rubbing method to generate highly polarized photoluminescence.
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc04929h