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Author : Sinue Gomez
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (671 download)
Download or read book Metal Containing Mesoporous Silica Materials written by Sinue Gomez and published by . This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peng Wu
Publisher : John Wiley & Sons
ISBN 13 : 3527350942
Total Pages : 501 pages
Book Rating : 4.5/5 (273 download)
Download or read book Micro-Mesoporous Metallosilicates written by Peng Wu and published by John Wiley & Sons. This book was released on 2024-05-28 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt: Micro-Mesoporous Metallosilicates Up-to-date and in-depth text bridging the technology gap between fundamental research and industry-scale applications of porous materials for catalysis Micro-Mesoporous Metallosilicates: Synthesis, Characterization, and Catalytic Applications comprehensively introduces the chemistry and catalytic technologies of metallosilicates, an important family of microporous crystalline zeolite and heteroatom-containing mesoporous materials, with a primary focus on design synthesis, characterization, theoretical studies, and catalytic applications of titanosilicates, tin-silicates, germanosilicates and Ti-mesosilica, and more. The text covers recent advances in the synthesis of titanosilicates, including hydrothermal synthesis, dry-gel conversion, fluoride-assisted synthesis, and post-synthesis methods, along with the synthesis of metallosilicates with two-dimensional lamellar structures and their structural modifications as well as applications in selective oxidation reactions. The text also discusses synthesis of germanosilicates with specially designed organic structure-directing agents, synthesis and catalytic applications of heteroatom-containing mesoporous silica, and dendritic mesoporous silica nanoparticles with unique wrinkled center-radial structures. Overall, every important porous metallosilicate and its synthesis, characterization, pore engineering, catalytic application, and industrial technique and process are covered. Specific sample topics discussed in Micro-Mesoporous Metallosilicates include: Chemical post-modifications of titanosilicates, in terms of the effects on transfer, adsorption/desorption, and surface reactions X-Ray based techniques, ultraviolet-visible-near infrared spectroscopy, Raman spectroscopy, and solid-state NMR spectroscopy Theoretical calculation as an effective tool and supplement to understand the catalytic active center, structural character, and Brønsted/Lewis acidity Titanosilicates in the liquid-phase epoxidation reaction of propylene and propylene chloride to corresponding epoxides Effects of particle sizes, oxidation state, and location sites of Au nanoparticles, and epoxidation performance of Ti-containing materials Delivering cutting-edge research and bridging the technology gap between fundamental research and industrial applications, Micro-Mesoporous Metallosilicates is a valuable resource for chemists, materials scientists, chemical engineers, and experienced researchers in related fields.
Author : Xining Chen
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659609220
Total Pages : 224 pages
Book Rating : 4.6/5 (92 download)
Download or read book Synthesis and Application of Mesoporous Silica written by Xining Chen and published by LAP Lambert Academic Publishing. This book was released on 2014-09-17 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mesoporous materials with well-defined pore size and structure have applications in a wide range of topics from catalysis, environment and medicine to electronics. This work presents the methods and procedures for preparing functional mesoporous materials for applications in the environment from removal of toxic metals to clean synthesis of fine chemicals. Magnetic mesoporous silica (magMCM-41) of large surface area (800 m2 g-1) and high magnetization (8.30 emu g-1) was prepared by grafting 10 nm magnetic iron oxide nanoparticles in the silica matrix, and this highly dispersible material can be easily separated from aqueous solution by a magnetic field. Functionalization of the surface with selected ligands and metal complexes creates powerful capabilities for chemical separation and catalysis. Fe3+-magMCM-41 prepared by grafting aminopropyls and then adsorbing Fe3+ was found to be a highly selective adsorbent which adsorbed only As(V) and Cr(VI) oxyanions (70 and 100 mg g-1, respectively) without any Cu(II). A series of salt-tolerant sorbents with designed functionalized groups were capable of removing 97 99% toxic heavy metals with a high Kd (distribution coefficient) value.
Author : Malcolm Davidson
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (13 download)
Download or read book Preparation of Earth Abundant Metal Mesoporous Silica Materials with Implications for the Production of Liquid Fuels written by Malcolm Davidson and published by . This book was released on 2018 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rafael Huirache Acuña
Publisher : BoD – Books on Demand
ISBN 13 : 1838807551
Total Pages : 126 pages
Book Rating : 4.8/5 (388 download)
Download or read book Advances in Microporous and Mesoporous Materials written by Rafael Huirache Acuña and published by BoD – Books on Demand. This book was released on 2020-07-15 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nowadays, microporous and mesoporous materials are versatile solids of great interest due to their structures and pore sizes, which allow their application in many areas. Accordingly, with IUPAC, materials with pore sizes smaller than 2 nm are called microporous and with pore sizes between 2 and 50 nm are called mesoporous. The pore size has an important impact on the material properties and affects their applications. In addition, high surface area, and their ability to incorporate functional groups on the framework are of great relevance for commercial and science applications. This book intends to provide readers with a comprehensive overview of recent improvements in the microporous and mesoporous materials field.
Author : Alaa S. Abd-El-Aziz
Publisher : John Wiley & Sons
ISBN 13 : 0470527048
Total Pages : 552 pages
Book Rating : 4.4/5 (75 download)
Download or read book Macromolecules Containing Metal and Metal-Like Elements, Volume 9 written by Alaa S. Abd-El-Aziz and published by John Wiley & Sons. This book was released on 2009-11-19 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 9 in a scientific research series, covering macromolecules This book, Macromolecules Containing Metal and Metal-like Elements, presents research developments in the study of: supramolecular chemistry, supramolecular architecture and supramolecular self-assemblies. The topics addressed involve materials containing metals and metal-like elements as well as the possible applications of hybrid materials. The volume offers a broad series of coverage with conclusions and perspectives for the various areas covered.
Author : Viorica Parvulescu
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Catalytic Behavior of Metal Active Sites From Modified Mesoporous Silicas in Oxidation of Organic Compounds written by Viorica Parvulescu and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ordered mesoporous silicas containing transition metals are versatile catalytic materials for oxidation of a wide range of organic compounds. In order to obtain active catalysts, different active redox metal sites have been introduced into specific locations (mesoporous channels and framework) of ordered mesoporous silicas (OMSs). All the reported results evidenced that localization of metal ions, their interaction with another metal (bimetallic catalysts) and the support, with typical properties of the ordered mesoporous silica, influenced the oxidation state, respectively their redox properties. To support this, the results regarding the specific properties of transitional metals in the ordered structure of silica, obtained using various characterization methods, were presented. The activity of metal sites in the oxidation reactions was evidenced in various applications carried out in the liquid or gaseous phase. The oxidation of various organic compounds in liquid phase with H2O2 (especially aromatic compounds and of alcohols) and in gas phase with oxygen from air was presented for a variety of metal-modified OMSs. The active sites and possible reaction mechanisms were presented for some catalytic systems. The immobilization of multiple metal active species on new ordered porous frameworks and their synergistic interactions remain topics of interest in the future.
Author : Xinqing Chen
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659677304
Total Pages : 224 pages
Book Rating : 4.6/5 (773 download)
Download or read book Synthesis and Applications of Mesoporous Materials written by Xinqing Chen and published by LAP Lambert Academic Publishing. This book was released on 2015-01-19 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mesoporous materials with well-defined pore size and structure have applications in a wide range of topics from catalysis, environment and medicine to electronics. This work presents the methods and procedures for preparing functional mesoporous materials for applications in the environment from removal of toxic metals to clean synthesis of fine chemicals.Magnetic mesoporous silica (magMCM-41) of large surface area (800 m2 g-1) and high magnetization (8.30 emu g-1) was prepared by grafting 10 nm magnetic iron oxide nanoparticles in the silica matrix, and this highly dispersible material can be easily separated from aqueous solution by a magnetic field.Functionalization of the surface with selected ligands and metal complexes creates powerful capabilities for chemical separation and catalysis. Fe3+-magMCM-41 prepared by grafting aminopropyls and then adsorbing Fe3+ was found to be a highly selective adsorbent which adsorbed only As(V) and Cr(VI) oxyanions (i.e. 70 and 100 mg g-1, respectively) without any Cu(II). Meanwhile, the catalytic performances of modified materials were tested for Knoevenagel condensation reactions. The result showed the conversion excessed 97%.
Author : An-Hui Lu
Publisher : Royal Society of Chemistry
ISBN 13 : 0854041885
Total Pages : 279 pages
Book Rating : 4.8/5 (54 download)
Download or read book Nanocasting written by An-Hui Lu and published by Royal Society of Chemistry. This book was released on 2010 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured materials with tailored properties are regarded as a fundamental element in the development of future science and technology. Research is still ongoing into the nanosized construction elements required to create functional solids. The recently developed technique, nanocasting, has great advantage over others in terms of the synthesis of special nanostructured materials by the careful choice of suitable elements and nanoengineering steps. This new book summarizes the recent developments in nanocasting, including the principles of nanocasting, syntheses of novel nanostructured materials, characterization methods, detailed synthetic recipes and further possible development in this area. The book focuses on the synthesis of porous solids from the viewpoint of methodology and introduces the science of nanocasting from fundamental principles to their use in synthesis of various materials. It starts by outlining the principles of nanocasting, requirements to the templates and precursors and the tools needed to probe matter at the nanoscale level. It describes how to synthesize nano structured porous solids with defined characteristics and finally discusses the functionalization and application of porous solids. Special attention is given to new developments in this field and future perspectives. A useful appendix covering the detailed synthetic recipes of various templates including porous silica, porous carbon and colloidal spheres is included which will be invaluable to researchers wanting to follow and reproduce nanocast materials. Topics covered in the book include: * inorganic chemistry * organic chemistry * solution chemistry * sol-gel and interface science * acid-base equilibria * electrochemistry * biochemistry * confined synthesis The book gives readers not only an overview of nanocasting technology, but also sufficient information and knowledge for those wanting to prepare various nanostructured materials without needing to search the available literature.
Author : Dongyuan Zhao
Publisher : John Wiley & Sons
ISBN 13 : 3527647880
Total Pages : 480 pages
Book Rating : 4.5/5 (276 download)
Download or read book Ordered Mesoporous Materials written by Dongyuan Zhao and published by John Wiley & Sons. This book was released on 2012-11-26 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mesoporous materials are a class of molecules with a large and uniform pore size, highly regular nanopores, and a large surface area. This book is devoted to all aspects and types of these materials and describes, in an in-depth and systematic manner, the step-by-step synthesis and its mechanism, as well as the characterization, morphology control, hybridization, and applications, of mesoporous molecular sieves. In so doing, it covers silicates, metal-doped silicates, nonsilicates, and organic-inorganic hybrids. Although the emphasis is on synthesis, the expert authors also discuss characterization and applications, ranging from catalysis and biochemistry to optics and the use of these materials as templates for nanomaterial synthesis. Both the fundamentals and the latest research results are covered, ensuring that this monograph serves as a reference for researchers in and newcomers to the field.
Author : Abderrazzak Douhal
Publisher : Elsevier
ISBN 13 : 0128178140
Total Pages : 464 pages
Book Rating : 4.1/5 (281 download)
Download or read book Chemistry of Silica and Zeolite-Based Materials written by Abderrazzak Douhal and published by Elsevier. This book was released on 2019-07-04 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemistry of Silica and Zeolite-Based Materials covers a wide range of topics related to silica-based materials from design and synthesis to applications in different fields of science and technology. Since silica is transparent and inert to the light, it is a very attractive host material for constructing artificial photosynthesis systems. As an earth-abundant oxide, silica is an ideal and basic material for application of various oxides, and the science and technology of silica-based materials are fundamentally important for understanding other oxide-based materials. The book examines nanosolvation and confined molecules in silica hosts, catalysis and photocatalysis, photonics, photosensors, photovoltaics, energy, environmental sciences, drug delivery, and health. Written by a highly experienced and internationally renowned team from around the world, Chemistry of Silica and Zeolite-Based Materials is ideal for chemists, materials scientists, chemical engineers, physicists, biologists, biomedical sciences, environmental scientists, toxicologists, and pharma scientists. --- "The enormous versatility of silica for building a large variety of materials with unique properties has been very well illustrated in this book.... The reader will be exposed to numerous potential applications of these materials – from photocatalytic, optical and electronic applications, to chemical reactivity in confined spaces and biological applications. This book is of clear interest not only to PhD students and postdocs, but also to researchers in this field seeking an understanding of the possible applications of meso and microporous silica-derived materials." - Professor Avelino Corma, Institute of Chemical Technology (ITQ-CSIC) and Polytechnical University of Valencia, Spain Discusses the most important advances in various fields using silica materials, including nanosolvation and confined molecules in silica hosts, catalysis and photocatalysis, and other topics Written by a global team of experts from a variety of science and technology disciplines Ideal resource for chemists, materials scientists, and chemical engineers working with oxide-based materials
Author : Ruren Xu
Publisher : John Wiley & Sons
ISBN 13 : 0470822368
Total Pages : 616 pages
Book Rating : 4.4/5 (78 download)
Download or read book Chemistry of Zeolites and Related Porous Materials written by Ruren Xu and published by John Wiley & Sons. This book was released on 2009-05-29 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: Widely used in adsorption, catalysis and ion exchange, the family of molecular sieves such as zeolites has been greatly extended and many advances have recently been achieved in the field of molecular sieves synthesis and related porous materials. Chemistry of Zeolites and Related Porous Materials focuses on the synthetic and structural chemistry of the major types of molecular sieves. It offers a systematic introduction to and an in-depth discussion of microporous, mesoporous, and macroporous materials and also includes metal-organic frameworks. Provides focused coverage of the key aspects of molecular sieves Features two frontier subjects: molecular engineering and host-guest advanced materials Comprehensively covers both theory and application with particular emphasis on industrial uses This book is essential reading for researches in the chemical and materials industries and research institutions. The book is also indispensable for researches and engineers in R&D (for catalysis) divisions of companies in petroleum refining and the petrochemical and fine chemical industries.
Author :
Publisher :
ISBN 13 :
Total Pages : 45 pages
Book Rating : 4.:/5 (16 download)
Download or read book Mesoporous Silica Nanoparticles for Biomedical and Catalytical Applications written by and published by . This book was released on 2011 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mesoporous silica materials, discovered in 1992 by the Mobile Oil Corporation, have received considerable attention in the chemical industry due to their superior textual properties such as high surface area, large pore volume, tunable pore diameter, and narrow pore size distribution. Among those materials, MCM-41, referred to Mobile Composition of Matter NO. 41, contains honeycomb liked porous structure that is the most common mesoporous molecular sieve studied. Applications of MCM-41 type mesoporous silica material in biomedical field as well as catalytical field have been developed and discussed in this thesis. The unique features of mesoporous silica nanoparticles were utilized for the design of delivery system for multiple biomolecules as described in chapter 2. We loaded luciferin into the hexagonal channels of MSN and capped the pore ends with gold nanoparticles to prevent premature release. Luciferase was adsorbed onto the outer surface of the MSN. Both the MSN and the gold nanoparticles were protected by poly-ethylene glycol to minimize nonspecific interaction of luciferase and keep it from denaturating. Controlled release of luciferin was triggered within the cells and the enzymatic reaction was detected by a luminometer. Further developments by varying enzyme/substrate pairs may provide opportunities to control cell behavior and manipulate intracellular reactions. MSN was also served as a noble metal catalyst support due to its large surface area and its stability with active metals. We prepared MSN with pore diameter of 10 nm (LP10-MSN) which can facilitate mass transfer. And we successfully synthesized an organo silane, 2,2'-Bipyridine-amide-triethoxylsilane (Bpy-amide-TES). Then we were able to functionalize LP10-MSN with bipyridinyl group by both post-grafting method and co-condensation method. Future research of this material would be platinum complexation. This Pt (II) complex catalyst has been reported for a C-H bond activation reaction as an alternative of the traditional Friedel-Crafts reaction. And we will compare the turnover numbers of MSN supported material with homogenous catalyst to evaluate the catalytical efficiency of our material.
Author : Shunai Che
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110554852
Total Pages : 278 pages
Book Rating : 4.1/5 (15 download)
Download or read book Mesoporous Silica written by Shunai Che and published by Walter de Gruyter GmbH & Co KG. This book was released on 2020-12-16 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mesoporous silica has large-scale industrial applications such as catalysis, drug delivery and bio/chemical absorptions. This book is devoted to all aspects and types of this material, focusing synthesis of mesoporous silica with anionic amphiphilic molecules. Characterization, properties, and applications are also discussed, making the book an essential reference for material scientists, chemists, and chemical Engineer.
Author : Zhiyong Tang
Publisher : John Wiley & Sons
ISBN 13 : 3527337571
Total Pages : 300 pages
Book Rating : 4.5/5 (273 download)
Download or read book Chiral Nanomaterials written by Zhiyong Tang and published by John Wiley & Sons. This book was released on 2018-03-05 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thorough and up-to-date, this book presents recent developments in this exciting research field. To begin with, the text covers the fabrication of chiral nanomaterials via various synthesis methods, including electron beam lithography, ion beam etching, chemical synthesis and biological DNA directed assembly. This is followed by the relevant theory and reaction mechanisms, with a discussion of the characterization of chiral nanomaterials according to the optical properties of metal nanoparticles, semiconductor nanocrystals, and nanoclusters. The whole is rounded off by a summary of applications in the field of catalysis, sensors, and biomedicine. With its comprehensive yet concise coverage of the whole spectrum of research, this is invaluable reading for senior researchers and entrants to the field of nanoscience and materials science.
Author : M. Jaroniec
Publisher : Elsevier
ISBN 13 : 0080537227
Total Pages : 711 pages
Book Rating : 4.0/5 (85 download)
Download or read book Nanoporous Materials III written by M. Jaroniec and published by Elsevier. This book was released on 2002-05-15 with total page 711 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoporous Materials III contains the invited lectures and peer-reviewed oral and poster contributions to be presented at the 3rd Conference on Nanoporous Materials, which will be hosted in Ottawa, Canada, June 2002. The work covers complementary approaches to and recent advances in the field of nanostructured materials with pore sizes larger than 1nm, such as periodic mesoporous molecular sieves M41S and FSM16 and related materials including clays, carbon molecular sieves, colloidal crystal templated organic and inorganic materials, porous polymers and sol gels. The broad range of topics covered in relation to the synthesis and characterization of ordered mesoporous materials are of great importance for advanced adsorption, catalytic and separation processes as well as the development of nanotechnology. The contents of this title are based on topics to be discussed by invited lecturers, which deal with periodic mesoporous organosilicas, stability and catalytic activity of aluminosilicate mesostructures, electron microscopy studies of ordered materials, imprinted polymers and highly porous metal-organic frameworks. The other contributions deal with tailoring the surface and structural properties of nanoporous materials, giving a detailed characterization as well as demonstrating their usefulness for advanced adsorption and catalytic applications.
Author : San Ping Jiang
Publisher : CRC Press
ISBN 13 : 1498748015
Total Pages : 336 pages
Book Rating : 4.4/5 (987 download)
Download or read book Mesoporous Materials for Advanced Energy Storage and Conversion Technologies written by San Ping Jiang and published by CRC Press. This book was released on 2017-05-25 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Innovation through specific and rational design and functionalization has led to the development of a wide range of mesoporous materials with varying morphologies (hexagonal, cubic, rod-like), structures (silicates, carbons, metal oxides), and unique functionalities (doping, acid functionalization) that currently makes this field one of the most exciting in materials science and energy applications. This book focuses primarily on the rapid progress in their application in energy conversion and storage technologies, including supercapacitor, Li-ion battery, fuel cells, solar cells, and photocatalysis (water splitting) and will serve as a valuable reference for researchers in the field
