Issue 2, 2024
From the journal:

Chemical Science

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

Hui Wang,ab   Hui Liu,*a   Mingsen Wang,a   Jiaheng Hou,a   Yongjun Li, ORCID logo c   Yuancheng Wang ORCID logo *a  and  Yingjie Zhao ORCID logo *a  

* Corresponding authors

a College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
E-mail: hliu@qust.edu.cn, wangyuancheng@qust.edu.cn, yz@qust.edu.cn

b College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China

c Beijing National Laboratory for Molecular Sciences (BNLMS), CAS. Key Laboratory of Organic Solids, Institute of Chemistry, Chinese. Academy of Sciences, Beijing 100190, P. R. China

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

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Article information

DOI
https://doi.org/10.1039/D3SC04813F
Article type
Edge Article
Submitted
12 Sep 2023
Accepted
29 Nov 2023
First published
05 Dec 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

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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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