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Sokołowski K, Justyniak I, Sliwiński W, et al. Towards a new family of photoluminescent organozinc 8-hydroxyquinolinates with a high propensity to form noncovalent porous materials. Chemistry. 2012;18(18):5637-45doi: 10.1002/chem.201104028.
Sokołowski, K., Justyniak, I., Sliwiński, W., Sołtys, K., Tulewicz, A., Kornowicz, A., Moszyński, R., Lipkowski, J., & Lewiński, J. (2012). Towards a new family of photoluminescent organozinc 8-hydroxyquinolinates with a high propensity to form noncovalent porous materials. Chemistry (Weinheim an der Bergstrasse, Germany), 18(18), 5637-45. https://doi.org/10.1002/chem.201104028
Sokołowski, Kamil, et al. "Towards a new family of photoluminescent organozinc 8-hydroxyquinolinates with a high propensity to form noncovalent porous materials." Chemistry (Weinheim an der Bergstrasse, Germany) vol. 18,18 (2012): 5637-45. doi: https://doi.org/10.1002/chem.201104028
Sokołowski K, Justyniak I, Sliwiński W, Sołtys K, Tulewicz A, Kornowicz A, Moszyński R, Lipkowski J, Lewiński J. Towards a new family of photoluminescent organozinc 8-hydroxyquinolinates with a high propensity to form noncovalent porous materials. Chemistry. 2012 Apr 27;18(18):5637-45. doi: 10.1002/chem.201104028. Epub 2012 Mar 19. PMID: 22431330.
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Chemistry. 2012 Apr 27;18(18):5637-45. doi: 10.1002/chem.201104028. Epub 2012 Mar 19.

Towards a new family of photoluminescent organozinc 8-hydroxyquinolinates with a high propensity to form noncovalent porous materials.

Chemistry (Weinheim an der Bergstrasse, Germany)

Kamil Sokołowski, Iwona Justyniak, Witold Sliwiński, Katarzyna Sołtys, Adam Tulewicz, Arkadiusz Kornowicz, Robert Moszyński, Janusz Lipkowski, Janusz Lewiński

Affiliations

  1. Institute of Physical Chemistry, Polish Academy of Sciences, Warsaw, Poland.

PMID: 22431330 DOI: 10.1002/chem.201104028

Abstract

We report on investigations of reactions of tBu(2)Zn with 8-hydroxyquinoline (q-H) and the influence of water on the composition and structure of the final product. A new synthetic approach to photoluminescent zinc complexes with quinolinate ligands was developed that allowed the isolation of a series of structurally diverse and novel alkylzinc 8-hydroxyquinolate complexes: the trinuclear alkylzinc aggregate [tBuZn(q)](3) (1(3)), the pentanuclear oxo cluster [(tBu)(3)Zn(5)(μ(4) -O)(q)(5)] (2), and the tetranuclear hydroxo cluster [Zn(q)(2)](2)[tBuZn(OH)](2) (3). All compounds were characterized in solution by (1)H NMR, IR, UV/Vis, and photoluminescence (PL) spectroscopy, and in the solid state by X-ray diffraction, TGA, and PL studies. Density functional theory calculations were also carried out for these new Zn(II) complexes to rationalize their luminescence behavior. A detailed analysis of the supramolecular structures of 2 and 3 shows that the unique shape of the corresponding single molecules leads to the formation of extended 3D networks with 1D open channels. Varying the stoichiometry, shape, and supramolecular structure of the resulting complexes leads to changes in their spectroscopic properties. The close-packed crystal structure of 1(3) shows a redshifted emission maximum in comparison to the porous crystal structure of 2 and the THF-solvated structure of 3.

Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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