Mallick Arijit, Garai Bikash, Addicoat Matthew A, Petkov Petko St, Heine Thomas, Banerjee Rahul
Physical/Materials Chemistry Division , CSIR-National Chemical Laboratory , Dr Homi Bhabha Road , Pune 411008 , India . Email:
Academy of Scientific and Innovative Research (AcSIR) , New Delhi , India.
Chem Sci. 2015 Feb 1;6(2):1420-1425. doi: 10.1039/c4sc03224a. Epub 2014 Dec 5.
A new Mg(ii) based photochromic porous metal-organic framework (MOF) has been synthesized bearing naphthalenediimide (NDI) chromophoric unit. This MOF (Mg-NDI) shows instant and reversible solvatochromic behavior in presence of solvents with different polarity. Mg-NDI also exhibits fast and reversible photochromism radical formation. Due to the presence of electron deficient NDI moiety, this MOF exhibits selective organic amine (electron rich) sensing in solid state. The organic amine detection has been confirmed by photoluminescence quenching experiment and visual color change.
一种基于镁（II）的新型光致变色多孔金属有机框架（MOF）已被合成出来，其带有萘二亚胺（NDI）发色单元。这种MOF（Mg-NDI）在存在不同极性的溶剂时表现出即时且可逆的溶剂致变色行为。Mg-NDI还展现出快速且可逆的光致变色自由基形成。由于存在缺电子的NDI部分，这种MOF在固态下表现出对有机胺（富电子）的选择性传感。有机胺的检测已通过光致发光猝灭实验和视觉颜色变化得到证实。
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