Stable Luminescent Metal-Organic Frameworks as Dual-Functional Materials To Encapsulate Ln(3+) Ions for White-Light Emission and To Detect Nitroaromatic Explosives
Stable Luminescent Metal-Organic Frameworks as Dual-Functional Materials To Encapsulate Ln(3+) Ions for White-Light Emission and To Detect Nitroaromatic Explosives
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稳定的发光金属有机框架作为双功能材料来封装 Ln(3 ) 离子以实现白光发射和检测硝基芳香族爆炸物
DOI：
10.1021/ic5029383
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发表时间：
2015
影响因子：
4.6
通讯作者：
Lan Ya-Qian
中科院分区：
文献类型：
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作者：
Xie Wei;Zhang Shu-Ran;Du Dong-Ying;Qin Jun-Sheng;Bao Shao-Juan;Li Jing;Su Zhong-Min;He Wen-Wen;Fu Qiang;Lan Ya-Qian
成功构建了一种稳定的多孔咔唑基发光金属-有机骨架NenU-522。它在空气和酸性/碱性水溶液中非常稳定，这为发光材料包覆Ln3+离子提供了一种策略，使其具有可调谐的发光性能，用于发光。更重要的是，Ln3+@Nenu-522可以通过包裹不同摩尔比的Eu3+和Tb3+离子而发出白光。此外，Tb~(3+)@NENU-522可作为荧光指示剂，用于定性和定量检测具有不同−NO2基数的硝基芳香族炸药，对硝基苯、1，3-二硝基苯和2，4，6-三硝基苯酚的完全猝灭浓度分别约为2000ppm、1000ppm和80ppm。同时，Tb3+@NenU-522对硝基芳香族炸药的检测具有较高的选择性和可回收性。
A stable porous carbazole-based luminescent metal–organic framework,NENU-522, was successfully constructed. It is extremely stable in air and acidic/basic aqueous solutions, which provides the strategy for luminescent material encapsulation of Ln3+ions with tunable luminescence for application in light emission. More importantly,Ln3+@NENU-522can emit white light by encapsulating different molar ratios of Eu3+and Tb3+ions. Additionally,Tb3+@NENU-522is found to be useful as a fluorescent indicator for the qualitative and quantitative detection of nitroaromatic explosives with different numbers of −NO2groups, and the concentrations of complete quenching are about 2000, 1000, and 80 ppm for nitrobenzene, 1,3-dinitrobenzene, and 2,4,6-trinitrophenol, respectively. Meanwhile,Tb3+@NENU-522displays high selectivity and recyclability in the detection of nitroaromatic explosives.