作者：徐涵; 潘兆瑞luminescentsensorhelicalchainquenchingmechanism
摘要：A new complex, {[Cd(BIDPT)(NBA)]}n(1), was synthesized from the selfassembly of BIDPT(BIDPT = 4,4'-bis(imidazol-l-yl)diphenyl thioether) and H2NBA(H2 NBA = 4,4'-azanediyldibenzoic acid) ligands with Cd(Ⅱ). 1 was characterized by infrared spectroscopy, powder X-ray diffraction, elemental analysis, and thermogravimetry measurement. 1 crystallizes in monoclinic system, space group P21/c with a = 8.8204(1), b = 29.835(3), c = 10.3813(1) A, β = 96.180(2)°, V = 2730.7(5) A^3, Z = 4, C32H22CdN5O4S, Mr = 685.01, Dc = 1.666 g/cm^3, μ = 0.926 mm^-1, R = 0.0548 and wR = 0.1528. 1 features a parallel structure with 3-connected hcb network and the adjacent 2 D networks are stacked together via C–H···π interaction to form a 3 D network. Its application in detecting metal cations and inorganic anions was explored. 1 exhibits excellent photoluminescence sensing for Fe^3+ and Cr2O7^2- ions. And the mechanism of quenching is also studied.
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