Abstract
A new metal–organic framework (MOF), [Zn4(μ4-O)(μ6-L)2(H2O)2]n·nDMF (ZSTU-10), was assembled from zinc(II) nitrate and N,N′,N″-bis(4-carboxylate)trimesicamide linkers and fully characterized. Its crystal structure discloses an intricate two-fold 3D+3D interpenetrated MOF driven by the [Zn4(μ4-O)]-based tetragonal secondary building units and the C3-symmetric tris-amide-tricarboxylate linkers (μ6-L3–). Topological analysis of ZSTU-10 reveals two interpenetrated 3,6-connected nets with an rtl (rutile) topology. Z-Scan analysis at 532 nm was conducted to study a nonlinear optical (NLO) behavior of ZSTU-10. The nonlinear responses of ZSTU-10 were explored under various laser intensities, revealing notable third-order NLO properties in the visible region. A large two-photon absorption at lower incident intensities highlights the fact that ZSTU-10 can be applied in optical limiting devices as well as optical modulators. Moreover, a nonlinear refractive index (n2) is indicative of a self-defocusing behavior. This work thus expands a family of novel MOF materials with remarkable optical properties.
Original language | English |
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Journal | Inorganic Chemistry |
Early online date | 13 Jun 2021 |
DOIs | |
Publication status | E-pub ahead of print - 13 Jun 2021 |
Keywords
- Ligands
- Nonlinear optics
- Metal organic frameworks
- Optical properties
- Lasers
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CCDC 2001565: Experimental Crystal Structure Determination
Abazari, R. (Creator), Yazdani, E. (Creator), Nadafan, M. (Creator), Kirillov, A. M. (Creator), Gao, J. (Creator), Slawin, A. M. Z. (Creator) & Carpenter-Warren, C. L. (Creator), Cambridge Crystallographic Data Centre, 9 Apr 2021
DOI: 10.5517/ccdc.csd.cc255sms
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