Neutral Luminescent Metal-Organic Frameworks: Structural Diversification, Photophysical Properties, and Sensing Applications
作者:Gouri Chakraborty、Sanjay K. Mandal
DOI:10.1021/acs.inorgchem.7b02264
日期:2017.12.4
Utilizing flexible bis(tridentate)polypyridyl ligands, the two new luminescent 2D metal organic frameworks Zn2(tpbn)(2,6-NDC)2}n (1) and [Zn2(tphn)(2,6-NDC)2]·4H2O}n (2), where tpbn = N,N′,N″,N‴-tetrakis(2-pyridylmethyl)-1,4-diaminobutane, tphn = N,N′,N″,N‴-tetrakis(2-pyridylmethyl)-1,6-diaminohexane, and 2,6-H2NDC = 2,6-naphthalenedicarboxylic acid, have been isolated in good yields under solvothermal
利用灵活的双(三齿)聚吡啶基配体,两个新的发光二维金属有机骨架Zn 2(tpbn)(2,6-NDC)2 } n(1)和[Zn 2(tphn)(2,6-NDC) )2 ]·4H 2 ö} ñ(2),其中tpbn = ñ,ñ ',ñ “,ñ ''',N'-四(2-吡啶基甲基)-1,4-二氨基丁烷,tphn = ñ,ñ ',ñ ”,N ‴-四(2-吡啶基甲基)-1,6-二氨基己烷和2,6-H 2NDC = 2,6-萘二甲酸,已在溶剂热条件下以高收率分离出。它们的固态分子结构已经通过单晶X射线衍射法确定。既1和2已经五配位的Zn(II)与N-中心3 ö 2从tpbn或tphn配体和两个羧基的氧原子的三个氮原子的环境从两个不同的2,6-NDC接头。但是,聚吡啶基配体的三齿部分与Zn(II)中心的结合方式在1和2由于亚甲基链长的增加(1.5倍),子午线(tpbn)与脸部(tphn)的关系。因此,2