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Synthesis, structure, and photoluminescence properties of coordination polymers of 4,4',4'',4'''-tetrakiscarboxyphenylsilane and 3,5-bis(1',2',4'-triazol-1'-yl) pyridine

Abstract

Three coordination polymers (CPs) incorporating both 4,4',4'',4'''-tetrakiscarboxyphenylsilane (H4tcps) and 3,5-bis(1',2',4'-triazol-1'-yl) pyridine (btap), namely [Co2(tcps)(btap)(H2O)3] (1), [Co3(Htcps)2(btap)(H2O)6] (2) and [Cd3(Htcps)2(btap)(H2O)6] (3), were synthesized by solvothermal method. Compound 1 features a 3D (3,4,5)-connected framework with (67584)(6482)2(729) topology. Compounds 2 and 3 are isostructural, which display an unusual 1D + 3D - 3D polythreaded supramolecular architecture with the 1D chain inserted into the channels of the two-fold interpenetrating 3D motif. Hydrogen bonds among the 3D anionic motif and the 1D cationic motif further stabilize the compounds. The structure of compounds 2 and 3 is a 3D 3-connected framework with a point symbol of (103)4. The luminescence properties of compound 3 in their solid state and as dispersed in various solvents were investigated. Luminescence studies have revealed that compound 3 exhibits high sensitivity and stable antiinterference towards Fe3+ and Cu2+ cations in aqueous solution.

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Publication details

The article was accepted on 21 Oct 2019 and first published on 25 Oct 2019


Article type: Paper
DOI: 10.1039/C9CE01529A
CrystEngComm, 2019, Accepted Manuscript

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    Synthesis, structure, and photoluminescence properties of coordination polymers of 4,4',4'',4'''-tetrakiscarboxyphenylsilane and 3,5-bis(1',2',4'-triazol-1'-yl) pyridine

    J. Sun, T. Zhou, D. Pan, X. Zhang, Y. Wang, Y. Shi and H. Yu, CrystEngComm, 2019, Accepted Manuscript , DOI: 10.1039/C9CE01529A

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