Issue 9, 2022

Tunable third-order nonlinear optical effect via modifying Ti4(embonate)6 cage-based ionic pairs

Abstract

Benefiting from the strong inherent π-conjugation properties, the integration of Ti4L6 (L = embonate) cages and various N,N-chelated transition-metal cations into tightly packed structures accurately leads to high-performance materials with adjustable nonlinear optical (NLO) effects. These cage-based ionic pairs possess different supramolecular packing structures, including a π⋯π stacked porous framework where the Ti4L6 cages are tactically located at the channels. Interestingly, by introducing the large π-conjugated 1,10-phenanthroline type ligands and adjusting the aromatic ring electron cloud density, we have effectively regulated their third-order NLO properties, realizing nonlinear absorption responses from reverse saturated absorption (RSA) to saturated absorption (SA). This work not only presents an extraordinary coordination cage-based assembly, but also provides new insights into the function of cage materials.

Graphical abstract: Tunable third-order nonlinear optical effect via modifying Ti4(embonate)6 cage-based ionic pairs

Supplementary files

Article information

Article type
Research Article
Submitted
17 Jan 2022
Accepted
05 Mar 2022
First published
08 Mar 2022

Inorg. Chem. Front., 2022,9, 1984-1991

Tunable third-order nonlinear optical effect via modifying Ti4(embonate)6 cage-based ionic pairs

G. Chen, Y. He, Z. Wang, Q. Li, Z. Ma and J. Zhang, Inorg. Chem. Front., 2022, 9, 1984 DOI: 10.1039/D2QI00138A

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