Issue 2, 2024

Cucurbituril-based supramolecular host–guest complexes: single-crystal structures and dual-state fluorescence enhancement

Abstract

Two supramolecular complexes were prepared using cucurbiturils [CBs] as mediators and a four-armed p-xylene derivative (M1) as a guest molecule. The single crystals of these two complexes were obtained and successfully analyzed by single-crystal X-ray diffraction (SCXRD). An unexpected and intriguing 1 : 2 self-assembly arrangement between M1 and CB[8] was notably uncovered, marking its first observation. These host–guest complexes exhibit distinctive photophysical properties, especially emission behaviors. Invaluable insights can be derived from these single-crystal structures. The precious single-crystal structures provide both precise structural information regarding the supramolecular complexes and a deeper understanding of the intricate mechanisms governing their photophysical properties.

Graphical abstract: Cucurbituril-based supramolecular host–guest complexes: single-crystal structures and dual-state fluorescence enhancement

Supplementary files

Article information

Article type
Edge Article
Submitted
12 sep 2023
Accepted
29 nov 2023
First published
05 des 2023
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2024,15, 458-465

Cucurbituril-based supramolecular host–guest complexes: single-crystal structures and dual-state fluorescence enhancement

H. Wang, H. Liu, M. Wang, J. Hou, Y. Li, Y. Wang and Y. Zhao, Chem. Sci., 2024, 15, 458 DOI: 10.1039/D3SC04813F

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