Issue 23, 2022

Cyclodextrin-catalyzed self-assembly of a coordinating fluorescent molecule into microflowers

Abstract

We report that γ-cyclodextrin (γ-CD) is able to catalyze the self-assembly process of the coordinating fluorescent molecule pyrenebutyrate with Zn2+. The direct interaction between pyrenebutyrate and Zn2+ would simply lead to amorphous precipitates, whereas addition of Zn2+ to the host–guest complex of pyrenebutyrate @ γ-CD would generate well-defined microflowers that have exactly the same composition as the amorphous pyrenebutyrate/Zn2+. The evidence of host–guest formation between 1-PBA and γ-CD and the absence of γ-CD in the final microflowers manifest that γ-CD acts as a catalyst in the self-assembly process. We envision that this dynamic host–guest chemistry would be very promising in creating catassemblies.

Graphical abstract: Cyclodextrin-catalyzed self-assembly of a coordinating fluorescent molecule into microflowers

Supplementary files

Article information

Article type
Paper
Submitted
12 Apr 2022
Accepted
11 May 2022
First published
25 May 2022

Soft Matter, 2022,18, 4372-4377

Cyclodextrin-catalyzed self-assembly of a coordinating fluorescent molecule into microflowers

T. Gu, J. Huang and Y. Yan, Soft Matter, 2022, 18, 4372 DOI: 10.1039/D2SM00462C

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