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      Preparation and evaluation of ZnO nanoparticles by thermal decomposition of MOF-5

      a , b ,

      Heliyon

      Elsevier

      Inorganic chemistry, Materials chemistry, Nanotechnology

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          Abstract

          In recent years, the use of zinc oxide nanoparticles (ZnO NPs) has attracted considerable attention due to its unique properties. In this study, ZnO nanoparticles were synthesized by a simple and repeatable method with thermal decomposition of a zinc-based metal organic framework (Zn-MOF). MOF-5 was prepared by solution (at room temperature) and solvothermal (at 90 °C) methods in dimethylformamide (DMF) as a solvent via the self-assembly of zinc acetate and dehydrate benzene-1,4-dicarboxylate (BDC) as metal ion center and organic bridging ligand respectively without and with tri-ethylamine (TEA) as capping agent. The result products were characterized by Fourier transform infrared (FTIR) for investigation functional groups, X-ray diffraction (XRD) for determination of crystalline structure, scanning electron microscope (SEM) for evaluation of size and morphology, energy-dispersive X-ray spectroscopy (EDS) for determination of chemical composition, and diffuse reflection spectroscopy (DRS) for investigation of Ultraviolet (UV) protective properties. The antibacterial activities of ZnO NPs were studied against Escherichia coli ( E. coli).

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          Most cited references 55

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          Nanobelts of semiconducting oxides.

          Ultralong beltlike (or ribbonlike) nanostructures (so-called nanobelts) were successfully synthesized for semiconducting oxides of zinc, tin, indium, cadmium, and gallium by simply evaporating the desired commercial metal oxide powders at high temperatures. The as-synthesized oxide nanobelts are pure, structurally uniform, and single crystalline, and most of them are free from defects and dislocations. They have a rectanglelike cross section with typical widths of 30 to 300 nanometers, width-to-thickness ratios of 5 to 10, and lengths of up to a few millimeters. The beltlike morphology appears to be a distinctive and common structural characteristic for the family of semiconducting oxides with cations of different valence states and materials of distinct crystallographic structures. The nanobelts could be an ideal system for fully understanding dimensionally confined transport phenomena in functional oxides and building functional devices along individual nanobelts.
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            Design and synthesis of an exceptionally stable and highly porous metal-organic framework

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              Industrial applications of metal-organic frameworks.

              New materials are prerequisite for major breakthrough applications influencing our daily life, and therefore are pivotal for the chemical industry. Metal-organic frameworks (MOFs) constitute an emerging class of materials useful in gas storage, gas purification and separation applications as well as heterogeneous catalysis. They not only offer higher surface areas and the potential for enhanced activity than currently used materials like base metal oxides, but also provide shape/size selectivity which is important both for separations and catalysis. In this critical review an overview of the potential applications of MOFs in the chemical industry is presented. Furthermore, the synthesis and characterization of the materials are briefly discussed from the industrial perspective (88 references).
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                Author and article information

                Contributors
                Journal
                Heliyon
                Heliyon
                Heliyon
                Elsevier
                2405-8440
                07 September 2019
                September 2019
                07 September 2019
                : 5
                : 9
                Affiliations
                [a ]Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Chemistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
                [b ]Department of Medical Nanotechnology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
                Author notes
                []Corresponding author. motakef@ 123456iaups.ac.ir
                Article
                S2405-8440(19)35812-8 e02152
                10.1016/j.heliyon.2019.e02152
                6734196
                © 2019 Published by Elsevier Ltd.

                This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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