Ancillary ligand-regulated Ti( iv )-based metallocalixarene coordination cages for photocatalytic H 2 evolution

High-valence Ti( iv )-based metallocalixarene coordination cages that are linked by oriented ancillary ligands are unknown so far. Herein, the first family of tunable calixarene-based coordination cages of Ti( iv ) with a framework formula [Ti 12 (O i Pr) 12 (TBC[4]) 6 L 6 ] have been assembled from...

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Published in:Chemical communications (Cambridge, England) England), 2022-08, Vol.58 (64), p.9034-9037
Main Authors: Tian, Yi-Qi, Cui, Yun-Shu, Zhu, Jia-Hui, Xu, Cong-Qiao, Yi, Xiao-Yi, Li, Jun, Liu, Chao
Format: Article
Language:English
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Summary:High-valence Ti( iv )-based metallocalixarene coordination cages that are linked by oriented ancillary ligands are unknown so far. Herein, the first family of tunable calixarene-based coordination cages of Ti( iv ) with a framework formula [Ti 12 (O i Pr) 12 (TBC[4]) 6 L 6 ] have been assembled from six {Ti 2 (O i Pr) 2 (TBC[4])} 2+ nodes and six pyridinedicarboxylic ligands. Furthermore, the {Ti12L6} cage showed strong photocatalytic H 2 evolution activity, and DFT studies were performed to explore its electronic structure.
ISSN:1359-7345
1364-548X
DOI:10.1039/D2CC03131K