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Fluorescence detection of Mn2+, Cr2O72? and nitroexplosives and photocatalytic degradation of methyl violet and rhodamine B based on two stable metal–organic frameworks

机译:Mn 2 + ,Cr 2 O 7 2?和硝基炸药的荧光检测以及甲基紫罗兰和甲基紫的光催化降解罗丹明B基于两个稳定的金属有机框架

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The reaction of Zn(NO3)2·6H2O/Cd(NO3)2·4H2O with a semi-flexible ligand 4′-(4-(3,5-dicarboxylphenoxy)phenyl)-4,2′:6′,4′′-terpyridine (H2dbp) gave two new metal–organic frameworks of [Zn(dbp)]n (1) and [Cd(dbp)(H2O)·2H2O·CH3CN]n (2). Single crystal X-ray diffraction analyses reveal that both 1 and 2 show three-dimensional, two-fold interpenetrating four-connected networks with 44.610.8 topology. The photoluminescence investigation indicates that both 1 and 2 could be prospective candidates for developing luminescence sensors for the sensing of Mn2+, Cr2O72? and nitroaromatic analytes. Furthermore, the photocatalysis properties of 1–2 for the degradation of methyl violet and rhodamine B were examined.
机译:Zn(NO 3 2 ·6H 2 的反应 O / Cd(NO 3 2 ·4H 2 < / sub> O与半柔性配体4'-(4-(3,5-二羧基苯氧基)苯基)-4,2':6',4''-吡啶(H 2 dbp)给出了[Zn(dbp)] n 的两个新的金属有机骨架(1 )和[Cd(dbp)(H 2 O)·2H 2 O·CH < sub> 3 CN] n 。单晶X射线衍射分析显示1和2均显示具有4 4 .6 10 .8拓扑。光致发光研究表明,1和2都可能是开发用于检测Mn 2 + ,Cr 2 的发光传感器的潜在候选对象。 > O 7 2? 和硝基芳香族分析物。此外,还研究了1-2降解甲基紫和若丹明B的光催化性能。

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