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      Ultrathin 2D Metal-Organic Framework Nanosheets

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          Abstract

          A facile surfactant-assisted bottom-up synthetic method to prepare a series of freestanding ultrathin 2D M-TCPP (M = Zn, Cu, Cd or Co, TCPP = tetrakis(4-carboxyphenyl)porphyrin) nanosheets with a thickness of sub-10 nm is developed. As a proof-of-concept application, some of them are successfully used as new platforms for DNA detection. The Cu-TCPP nanosheet-based sensor shows excellent fluorescent sensing performance and is used for the simultaneous detection of multiple DNA targets.

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          Most cited references36

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          Metal-organic frameworks (MOFs).

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            Metal dichalcogenide nanosheets: preparation, properties and applications.

            Two-dimensional (2D) nanomaterials have received much attention in recent years, because of their unusual properties associated with their ultra-thin thickness and 2D morphology. Besides graphene which has aroused tremendous research interest, other types of 2D nanomaterials such as metal dichalcogenides have also been studied and applied in various applications including electronics, optoelectronics, energy storage devices, and so on. In this tutorial review, we will take MoS(2) as a typical example to introduce the latest research development of 2D inorganic nanomaterials with emphasis on their preparation methods, properties and applications.
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              Colloidal nanocrystal synthesis and the organic-inorganic interface.

              Colloidal nanocrystals are solution-grown, nanometre-sized, inorganic particles that are stabilized by a layer of surfactants attached to their surface. The inorganic cores possess useful properties that are controlled by their composition, size and shape, and the surfactant coating ensures that these structures are easy to fabricate and process further into more complex structures. This combination of features makes colloidal nanocrystals attractive and promising building blocks for advanced materials and devices. Chemists are achieving ever more exquisite control over the composition, size, shape, crystal structure and surface properties of nanocrystals, thus setting the stage for fully exploiting the potential of these remarkable materials.
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                Author and article information

                Journal
                Advanced Materials
                Adv. Mater.
                Wiley
                09359648
                December 2015
                December 2015
                October 15 2015
                : 27
                : 45
                : 7372-7378
                Affiliations
                [1 ]School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Avenue Singapore 639798 Singapore
                [2 ]School of Biosystems Engineering and Food Science; Zhejiang University; 866 Yuhangtang Road Hangzhou 310058 P. R. China
                [3 ]Nanyang Environment and Water Research Institute; Interdisciplinary Graduate School; Nanyang Technological University; 50 Nanyang Avenue Singapore 639798 Singapore
                [4 ]Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; 21 Nanyang Link Singapore 637371 Singapore
                Article
                10.1002/adma.201503648
                26468970
                b6265b64-af7d-432a-b3a1-75d4a606e9da
                © 2015

                http://doi.wiley.com/10.1002/tdm_license_1.1

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