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Guest Effects on Crystal Structure and Phosphorescence of a Cu6L3 Prismatic Cage

Abstract

Coordination cages with nanocavity can encapsulate various guests that allow to modulate the physical and chemical properties of host-guest inclusion complexes. In this work, we design and prepared a phosphorescence Cu6L3 trigonal prismatic cage, which accommodates a series of aromatic guest molecules. The single crystal X-ray analysis revealed that the intermolecular Cu···Cu distance can be medicated by changing the volume of guests. Moreover, the host-gest charge-transfer interactions can be also fine-tuned via tailoring the ionization potential of guests. Consequently, we have observed the guest-induced photoluminescence properties change including the gradual red shift of maximum emission peak and linear relationship between quantum yield and ionization potential of guests.

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Supplementary files

Article information


Submitted
03 Dec 2019
Accepted
26 Jan 2020
First published
10 Feb 2020

Inorg. Chem. Front., 2020, Accepted Manuscript
Article type
Research Article

Guest Effects on Crystal Structure and Phosphorescence of a Cu6L3 Prismatic Cage

Z. Shi, W. Chen, S. Zhan, M. Li, M. Xie, Y. Y. Li, S. W. Ng, Y. Huang, Z. Zhang, G. Ning and D. Li, Inorg. Chem. Front., 2020, Accepted Manuscript , DOI: 10.1039/C9QI01578G

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