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Hydrothermal Synthesis And Structural Characterization Of Intercalated Vanadium Oxides
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Book Synopsis Hydrothermal Synthesis and Structural Characterization of Intercalated Vanadium Oxides by : Megan L. Roppolo
Download or read book Hydrothermal Synthesis and Structural Characterization of Intercalated Vanadium Oxides written by Megan L. Roppolo and published by . This book was released on 2010 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrothermal Synthesis and Characterization of Novel Vanadium Oxides and Their Application as Cathodes in Lithium Secondary Batteries by : Thomas G. Chirayil
Download or read book Hydrothermal Synthesis and Characterization of Novel Vanadium Oxides and Their Application as Cathodes in Lithium Secondary Batteries written by Thomas G. Chirayil and published by . This book was released on 1998 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrothermal Synthesis and Characterization of Transition Metal Oxides by : Aytaç Şahin
Download or read book Hydrothermal Synthesis and Characterization of Transition Metal Oxides written by Aytaç Şahin and published by . This book was released on 2004 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrothermal method has proven to be an excellent method for the synthesis of novel metal oxides and vanadates. This research pertains to the synthesis of novel lead chlorovanadate compound and of a known alkali metal trivanadate compound, KV3O8 by hydrothermal method This method has been used to synthesize many inorganic oxide compounds Hydrothermal synthesis is the use of aqueous solvents under high temperature and high pressure to dissolve and recrystallize materials. Compounds with interesting structure and physical properties are often obtained from this technique that is known as one of the low-temperature synthesis techniques for solid state compounds. There are many studies that have been done on oxides in the Pb-V-O systems There are also many vanadium oxides containing Pb, V, O elements in Pb-V-O system such as Pb1.32V8.35O16.7, PbV6O11, PbV2O6, Pb2V3O8.5, and .-PbxV2O5 bronzes (x = 0.3). In an attempt to synthesize vanadium oxides at low temperature, we were able to obtain needle shaped yellow crystals of PbVO3Cl. In the nature, there is a kombatite mineral, Pb14(VO4)2O9Cl4, with the same composition of elements. A new lead chlorovanadate, PbVO3Cl, was obtained from the reaction of NaVO3 and PbCl2 in aqueous solution of B(OH)3. The compound was prepared in an autoclave that was filled with aqueous solution of B(OH)3 and heated at 170oC for 3 days. The compound crystallizes in the space group Pnma of the orthorhombic system with formula units in a cell of dimensions a = 10.022(2)
Book Synopsis Hydrothermal Synthesis and Characterization of Vanadium and Tungsten Oxide Containing Organic-inoganic Hynrid Material by : Banu Önen
Download or read book Hydrothermal Synthesis and Characterization of Vanadium and Tungsten Oxide Containing Organic-inoganic Hynrid Material written by Banu Önen and published by . This book was released on 2011 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrothermal synthesis of transition metal oxide containing organic-inorganic hybrid materials has attracted great attention recently. Two novel organic-inorganic hybrid materials (4,4ʼ-bipy)3[HPW12O39] and [Cu(4,4ʼ-bipy)4][HPW12O40] were hydrothermally synthesized as green and purple crystals respectively, from the reaction of Na6[H2W12O40], CuCl2.2H2O, 4,4ʼ- bipyridine and H3PO4 in a 23 ml autoclave at 170°C for 72 hours. The compound (4,4ʼ-bipy)3[HPW12O39] crystallizes in the space group P21/n of the monoclinic system with four formula units in a cell with dimensions a = 13.503(3) Å, b = 26.726(5) Å, c =15.169(3) Å and V = 5397.3(19) Å3. [Cu(4,4ʼ-bipy)4][HPW12O40] crystallizes in the space group Pbcn of the tetragonal system with eight formula units in a cell of dimensions a = 20.236(4) Å, b = 25.635(5) Å, c = 20.236(4) Å; V = 10497(4) Å3 . Both of the compounds are Keggin polyoxometalate structures. (4,4ʼ-bipy)3[HPW12O39] contains free 4,4ʼ-bipy groups among the clusters while in [Cu(4,4ʼ-bipy)4][HPW12O40] 4,4ʼ-bipy ligands are coordinated to Cu2+ ions. A novel compound (H2NC4H8NH2)[(VO)2(PO4)2] was synthesized hydrothermally from the reaction of NaVO3, V2O5, ethylenediamine and H3PO4 at 170 C for 72 hours. The compound crystallizes in the space group P-1 of the trigonal system with five formula units in a cell of dimensions a= 6.3345(13) Å, b= 6.3353(13) Å, c= 15.940(3) Å, V=639.6(2) Å3. (H2NC4H8NH2)[(VO)2(PO4)2] displays a layered structure with protonated piperazine groups between layers. In addition to the novel compounds, several known compounds were synthesized as well. Blue crystals of (VO)(H2PO4)2 were obtained hydrothermally from the reaction of NaVO3, ethylenediamine and H3PO4 at 170C for 72 hours (C5NH6)4.5(H3O)1.5[P2W18O62] , a known compound also, was synthesized from the reaction of Na2WO4 .2H2O, CuCl2.2H2O, pyridine and H3PO4 at 170C for 72 hours.
Book Synopsis Synthesis and Structural Characterization of Vanadium Complexes Supported on Oxide and Fluoride Surfaces and Their Catalytic Properties in the Oxidative Dehydrogenation of Propane by : Barbara Müller
Download or read book Synthesis and Structural Characterization of Vanadium Complexes Supported on Oxide and Fluoride Surfaces and Their Catalytic Properties in the Oxidative Dehydrogenation of Propane written by Barbara Müller and published by . This book was released on 2008 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low Temperature Synthesis and Characterization of New Vandadium Oxides by : Curtis Weeks
Download or read book Low Temperature Synthesis and Characterization of New Vandadium Oxides written by Curtis Weeks and published by . This book was released on 1998-02-01 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transition metal oxides are receiving a great deal of attention because the materials produced are showing promise in the fields of catalysis and electrochemistry. These materials are being produced in a variety of ways, but the low temperature hydrothermal method is producing materials with desired structural characteristics. This study discusses efforts in mild reaction conditions of heat temperatures ranging between 160 and 200 deg C. The factors of pH, reaction time, reaction temperature, and the presence of organic templating cations are also studied to see their impact on traditional and microwave reactions. The relatively new field of microwave synthesis has shown that materials which customarily took 2 days of reaction time in the traditional ovens are reproducible in 30-60 minutes via the microwave ovens. The influence of the organic cations in the reaction mediums is the focus of this particular study. The ability to produce layered vanadium oxides in the absence of such templating cations as TMA would make the materials potentially better for electrochemical purposes. This research used a variety of solvents in an attempt to produce interlayer bridging by organic anions. The solvents of ethylene glycol and acetic acid act as those bridges, each with 2 accessible oxygens.
Book Synopsis Nanostructured Vanadium Oxides by : Sediri Faouzi
Download or read book Nanostructured Vanadium Oxides written by Sediri Faouzi and published by LAP Lambert Academic Publishing. This book was released on 2015-05-25 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: The synthesis and the characterization of new inorganic and/or hybrid organic-inorganic nanomaterials have been the subject of many research projects with high technological impact. Among these nanostructured vanadium oxides, as cathode and electrochromic materials, seem good candidates for use in such devices, with their open crystal structures and their electrochemical performances. However, industrial applications require simple and inexpensive methods of synthesis. Thus, the hydrothermal method (soft chemistry) has been used for the synthesis of vanadium oxides nanomaterials with high purity and cristallinity. The correlation of electrochemical and electrochromic performances with structural and morphological properties could leads to original applications such as electrochromic displays.
Book Synopsis Nano-Materials as Photocatalysts for Degradation of Environmental Pollutants by : Pardeep Singh
Download or read book Nano-Materials as Photocatalysts for Degradation of Environmental Pollutants written by Pardeep Singh and published by Elsevier. This book was released on 2019-12-02 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nano-Materials as Photocatalysts for Degradation of Environmental Pollutants: Challenges and Possibilities contains both practical and theoretical aspects of environmental management using the processes of photodegradation and various heterogeneous catalysts. The book's main focus is on the degradation of harmful pollutants, such as petrochemicals, crude oils, dyes, xenobiotic pharmaceutical waste, endocrine disrupting compounds, and other common pollutants. Chapters incorporate both theoretical and practical aspects. This book is useful for undergraduate or university students, teachers and researchers, especially those working in areas of photocatalysis through heterogeneous catalysts. The primary audience for this book includes Chemical Engineers, Environmental Engineers and scientists, scholars working on the management of hazardous waste, scientists working in fields of materials science, and Civil Engineers working on wastewater treatment. Reviews recent trends in the photodegradation of organic pollutants Offers a bibliometric analysis of photocatalysis for environmental abatement Includes many degradation mechanisms of organic pollutants using various catalysts Includes examples on the degradation of organic pollutants from various sources, e.g., pharmaceuticals, dyes, pesticides, etc. Discusses the effect of nanocatalysts on soil, plants and the ecosystem
Book Synopsis Magnetic Nanoparticles and Polymer Nanocomposites by : Imran Khan
Download or read book Magnetic Nanoparticles and Polymer Nanocomposites written by Imran Khan and published by Elsevier. This book was released on 2024-03-21 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic Nanoparticles and Polymer Nanocomposites: Fundamentals and Biological, Environmental and Energy Applications focuses on the manufacturing and design of innovative magnetic polymeric nanocomposite materials for a broad range of different applications. These materials have truly outstanding and sustainable properties unlike other composites because they are combined with both organic (polymer matrix) and inorganic (semiconductor nanoparticles) materials to form a sustainable composite material. The book's focus is on magnetic semiconductor and polymer nanocomposites made from bioresorbable and biocompatible polymers, modified with magnetic nanoparticles. This book provides detailed knowledge on the modern research application of magnetic semiconductor and polymeric nanocomposites that have tremendous commercial value. In addition, these nanocomposite materials are also a good source for the renewable energy-based industry. Covers magnetic nanoparticles and polymer nanocomposites in environmental, renewable energy, water treatment, energy storage and biomedical applications Provides fundamental knowledge on design, synthesis, properties investigation, applications and manufacturing Emphasizes recent advances on magnetic nanoparticles and polymer nanocomposites
Book Synopsis Structural Characterization of Catalytically Active Vanadium(V) Surface Oxides Using V Solid State Nuclear Magnetic Resonance Spectroscopy by : Nandini Das
Download or read book Structural Characterization of Catalytically Active Vanadium(V) Surface Oxides Using V Solid State Nuclear Magnetic Resonance Spectroscopy written by Nandini Das and published by . This book was released on 1994 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrothermal Synthesis and Characterization of Ethylenediamine-containing Molybdenum Oxides by : Özgül Gün
Download or read book Hydrothermal Synthesis and Characterization of Ethylenediamine-containing Molybdenum Oxides written by Özgül Gün and published by . This book was released on 2006 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, hydrothermal synthesis and characterization of organic-inorganic hybrid materials has attracted great attention.A novel organic-inorganic hybrid material, [Cu(en)MoO4], was hydrothermally synthesized as blue crystals. A mixture of Na2MoO4 CuCl2 NaCl, ethylenediamine and water was loaded into a 23 mL autoclave and heated at 170ʻC for 72 h. The compound crystallizes in the space group P2(1)/c of the monoclinic system with four formula units in a cell of dimensions a = 7.6743(15) b = 9.4364(19)c = 9.9538(2) = 72.266(3) V = 686.6(2) The structure is composed of {MoO4}tetrahedra and {CuN2O4} octahedra. Each pair of copper octahedra forms a binuclear edge-sharing unit through a {Cu2O2} interaction. The binuclear octahedral units are interconnected through the bridging {MoO4} yielding a layer structure.Purple crystals of a known hybrid material, [Cu(en)2]2[Mo8O26], was hydrothermally obtained under different reaction conditions. A mixture of Na2MoO4 ethylenediamine and water was loaded into the autoclave and heated at 170ʻC for 72 crystallizes in the space group Pbca of the orthorhombic system with eight formula units in a cell of dimensions a = 13.516 b = 15.548(3) c = 16.725(3) V = 3514.7(12) The structure consists of linked through groups. Each unit forms covalent interactions with two units.Green and black crystals were obtained from the reaction of with different ratios. Via the reaction of NaCl, ethylenediamine and yellow crystals were obtained.
Download or read book Bibliography written by Pierre Villars and published by Walter de Gruyter. This book was released on 2012-12-21 with total page 1827 pages. Available in PDF, EPUB and Kindle. Book excerpt: By browsing about 10 000 000 scientific articles of over 200 major journals mainly in a 'cover to cover approach' some 200 000 publications were selected. The extracted data is part of the following fundamental material research fields: crystal structures (S), phase diagrams (also called constitution) (C) and the comprehensive field of intrinsic physical properties (P). This work has been done systematically starting with the literature going back to 1900. The above mentioned research field codes (S, C, P) as well as the chemical systems investigated in each publication were included in the present work. The aim of the Inorganic Substances Bibliography is to provide researchers with a comprehensive compilation of all up to now published scientific publications on inorganic systems in only three handy volumes.
Download or read book Vanadium written by Alan S. Tracey and published by CRC Press. This book was released on 2007-03-19 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first comprehensive resource on the chemistry of vanadium, Vanadium: Chemistry, Biochemistry, Pharmacology, and Practical Applications has evolved from over a quarter century of research that concentrated on delineating the aqueous coordination reactions that characterize the vanadium(V) oxidation state. The authors distill information o
Book Synopsis Low Temperature Synthesis and Characterization of Organically Templated Novel Vanadium Oxides by : Samuel T. Lutta
Download or read book Low Temperature Synthesis and Characterization of Organically Templated Novel Vanadium Oxides written by Samuel T. Lutta and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2002 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low Temperature Synthesis and Characterization of New Vanadium Oxides by : Curtis L. Weeks
Download or read book Low Temperature Synthesis and Characterization of New Vanadium Oxides written by Curtis L. Weeks and published by . This book was released on 1997 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Organic--inorganic Hybrid Oxide Materials by : Jessica Chuang
Download or read book Organic--inorganic Hybrid Oxide Materials written by Jessica Chuang and published by . This book was released on 2007 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
