Issue 17, 2024

Metal-ion-determined geometrical configurations of metallo-cages with different emission properties

Abstract

The formation of metallo-cages is affected by a variety of factors such as the ligands, metals, and anions, among which the impact of metals with different binding capacities is particularly important, but has rarely been studied in three-dimensional metallo-cages. Herein, we report the design of truxene-centered terpyridine ligands and the self-assembly of a series of tetrameric metallo-cages. The utilization of metal ions with strong (Zn2+, Fe2+) or weak (Cd2+) binding strength afforded 3D metallo-cages with low symmetry or highly symmetric metallo-tetrahedra, respectively, possessing totally different geometrical configurations. In addition, their photophysical properties and host–guest chemical properties were investigated.

Graphical abstract: Metal-ion-determined geometrical configurations of metallo-cages with different emission properties

Supplementary files

Article information

Article type
Paper
Submitted
20 Jan 2024
Accepted
26 Mar 2024
First published
02 Apr 2024

Dalton Trans., 2024,53, 7555-7560

Metal-ion-determined geometrical configurations of metallo-cages with different emission properties

Z. Zhai, Q. Bai, Y. Guan, H. Zhao, T. Wu, J. Pang, H. Xu, T. Xie, Z. Zhang and P. Wang, Dalton Trans., 2024, 53, 7555 DOI: 10.1039/D4DT00178H

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