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      Controlled lanthanide–organic framework nanospheres as reversible and sensitive luminescent sensors for practical applications

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          Abstract

          Two novel 3D lanthanide MOFs were synthesized, and further transformed into nanospheres with controlled sizes. Luminescence studies revealed that 2 is a sensitive and reversible luminescent sensor for cyclohexane and nitrobenzene with zero cost regeneration.

          Abstract

          Two novel 3D frameworks were synthesized, and further nanosized to form nanospheres. Studies revealed that 2 is the first MOF-based luminescent sensor for detecting cyclohexane, and this is also the first time that quick regeneration, high sensitivity, high yield, and easy nanocrystallization of MOF-based luminescent sensors have been simultaneously realized.

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          Most cited references55

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          Metal-organic framework materials as chemical sensors.

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            Luminescent metal-organic frameworks for chemical sensing and explosive detection.

            Metal-organic frameworks (MOFs) are a unique class of crystalline solids comprised of metal cations (or metal clusters) and organic ligands that have shown promise for a wide variety of applications. Over the past 15 years, research and development of these materials have become one of the most intensely and extensively pursued areas. A very interesting and well-investigated topic is their optical emission properties and related applications. Several reviews have provided a comprehensive overview covering many aspects of the subject up to 2011. This review intends to provide an update of work published since then and focuses on the photoluminescence (PL) properties of MOFs and their possible utility in chemical and biological sensing and detection. The spectrum of this review includes the origin of luminescence in MOFs, the advantages of luminescent MOF (LMOF) based sensors, general strategies in designing sensory materials, and examples of various applications in sensing and detection.
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              A Luminescent Microporous Metal-Organic Framework for the Fast and Reversible Detection of High Explosives

              Sensors and sensitivity: A highly luminescent microporous metal-organic framework, [Zn(2)(bpdc)(2)(bpee)] (bpdc = 4,4'-biphenyldicarboxylate; bpee = 1,2-bipyridylethene), is capable of very fast and reversible detection of the vapors of the nitroaromatic explosive 2,4-dinitrotoluene and the plastic explosive taggant 2,3-dimethyl-2,3-dinitrobutane, through redox fluorescence quenching with unprecedented sensitivity (see spectra).
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                Author and article information

                Journal
                CHCOFS
                Chemical Communications
                Chem. Commun.
                Royal Society of Chemistry (RSC)
                1359-7345
                1364-548X
                2015
                2015
                : 51
                : 31
                : 6769-6772
                Affiliations
                [1 ]Department of Chemistry
                [2 ]Key Laboratory of Advanced Energy Material Chemistry
                [3 ]MOE, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
                [4 ]Nankai University
                [5 ]Tianjin 300071
                Article
                10.1039/C5CC01181G
                7a59ae48-6f89-4a95-9eaf-a59577dd742a
                © 2015
                History

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