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- Title
Integrated Anionic Zirconium‐Organic Cage and Cationic Boron‐Imidazolate Cage for Synergetic Optical Limiting.
- Authors
Li, Yi‐Fei; He, Yan‐Ping; Li, Qiao‐Hong; Zhang, Jian
- Abstract
Making oppositely charged metal‐organic cages (MOCs) into a tightly ordered structure may bring interesting functions. Herein, we report a novel structure composed of anionic (Zr4L6)8− (L=embonate) tetrahedral cages and in situ‐formed cationic [Zn4(Bim)4]4+ (Bim=[BH(im)3]−; im=imidazole) cubic cages. Chiral transfer is observed from enantiopure (Zr4L6)8− cage to enantiopure [Zn4(Bim)4]4+ cage. A pair of enantiomers (PTC‐373(Δ) and PTC‐373(Λ)) are formed. PTC‐373 exhibits high chemical and thermal stabilities, affording an interesting single‐crystal‐to‐single‐crystal transformation. More importantly, the combination of ionic pair cages significantly enhances its third‐order nonlinear optical property, and its thin‐film exhibits an excellent optical limiting effect.
- Subjects
OPTICAL limiting; OPTICAL properties; NONLINEAR optics; CHEMICAL stability; NONLINEAR optical spectroscopy; THERMAL stability
- Publication
Angewandte Chemie, 2024, Vol 136, Issue 12, p1
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.202318806