Metal Clusters In Catalysis

Author : Bruce C. Gates,L. Guczi,H. Knözinger
Publisher : Elsevier Publishing Company
Page : 684 pages
File Size : 51,6 Mb
Release : 1986
Category : Science
ISBN : UOM:39015016013354

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Metal Clusters in Catalysis by Bruce C. Gates,L. Guczi,H. Knözinger Pdf

Research on metal clusters (compounds with metal-metal bonds) has undergone explosive growth and the subject is now perhaps one of the hottest'' topics in organometallic chemistry. The prospect of catalytic applications has motivated a large part of the research mentioned in this book - the long term goal being to exploit the unique properties of metal clusters to prepare catalysts with new activities and selectivities. This is the first book to address the role of metal clusters in catalysis. The coverage is up-to-date and is particularly comprehensive, ranging from molecular chemistry of clusters (synthesis, structure, thermochemistry, reactivity, and homogeneous catalysis) to supported clusters (molecular analogues on polymers, and metal oxides and metals in zeolite cages). Preparation by methods of organometallic surface chemistry and metal atom chemistry and characterization of surface structures by physical methods are highlighted. Concepts unifying metal cluster chemistry and the chemistry of metal surfaces are elucidated. Of particular value to the user will be the cluster and subject indexes. The cluster index is organized in alphabetical order according to the metal.

Author : Zhixun Luo,Shiv N. Khanna
Publisher : Springer Nature
Page : 267 pages
File Size : 49,8 Mb
Release : 2020-10-31
Category : Science
ISBN : 9789811597046

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Metal Clusters and Their Reactivity by Zhixun Luo,Shiv N. Khanna Pdf

This book discusses current techniques and instrumentation for cluster chemistry. It addresses both the experimental and theoretical aspects of gas-phase metal cluster reactivities, especially those pertaining to pollution removal, energetic reactions and corrosion and anticorrosion. These metal cluster systems have attracted enormous interest as they display a completely new class of physical, chemical, electronic, magnetic and catalytic properties. As these properties change with size and composition, it can thus be understood how their nature evolves from atoms to bulk solids. The book offers readers a basic understanding of the structural chemistry and reactivity of metal clusters in both gas-phase and wet chemistry. Further, the lessons they learn here regarding metal cluster chemistry will prepare researchers for the study of condensed phase dynamics that pertain to wet chemical synthesis, soft-landing deposition and cluster assembly.

Author : John P. Fackler Jr.
Publisher : Springer Science & Business Media
Page : 344 pages
File Size : 44,7 Mb
Release : 2013-11-22
Category : Science
ISBN : 9781489924926

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Metal-Metal Bonds and Clusters in Chemistry and Catalysis by John P. Fackler Jr. Pdf

This book contains a series of papers and abstracts from the 7th Industry-University Cooperative Chemistry Program symposium held in the spring of 1989 at Texas A&M University. The symposium was larger than previous IUCCP symposia since it also celebrated the 25 years that had elapsed since the initial discovery by F. A. Cotton and his co-workers of the existence of metal-metal quadruple bonds. Cotton's discovery demonstrated that multiple bonding in inorganic systems is not governed by the same constraints observed in organic chemistry regarding s and p orbital involvement. The d orbitals are involved in the multiple bonding description. The quadruple bond involves considerable d orbital overlap between adjacent metal centers. Part I of this series of papers focuses upon the impact of this discovery and describes further contributions to the development of the field. Multiple metal-metal bonding now is known to permeate broad areas of transition metal chemistry. The understanding of metal-metal bonding that developed as a result of the discovery of multiple metal-metal bonding awakened a new chemistry involving metal clusters. Clusters were defined by Cotton to be species containing metal-metal bonding. Clusters in catalysis therefore seemed a logical grouping of papers in this symposium. Clusters play an every increasing role in the control of chemical reactions. Part II of this book describes some of the interesting new developments in this field. In Part III the papers examine the role clusters play in describing and understanding solid state materials.

Author : Bruce C. Gates
Publisher : Unknown
Page : 0 pages
File Size : 47,5 Mb
Release : 1986
Category : Catalisis
ISBN : 0444418016

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Metal clusters in catalysis by Bruce C. Gates Pdf

Author : Uwe Kreibig,Michael Vollmer
Publisher : Springer Science & Business Media
Page : 552 pages
File Size : 40,5 Mb
Release : 2013-04-17
Category : Technology & Engineering
ISBN : 9783662091098

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Optical Properties of Metal Clusters by Uwe Kreibig,Michael Vollmer Pdf

Optical Properties of Metal Clusters deals with the electronic structure of metal clusters determined optically. Clusters - as state intermediate between molecules and the extended solid - are important in many areas, e.g. in air pollution, interstellar matter, clay minerals, photography, heterogeneous catalysis, quantum dots, and virus crystals. This book extends the approaches of optical molecular and solid-state methods to clusters, revealing how their optical properties evolve as a function of size. Cluster matter, i.e. extended systems of many clusters - the most frequently occuring form - is also treated. The combination of reviews of experimental techniques, lists of results and detailed descriptions of selected experiments will appeal to experts, newcomers and graduate students in this expanding field.

Author : Richard D. Adams,F. Albert Cotton
Publisher : Wiley-VCH
Page : 586 pages
File Size : 47,7 Mb
Release : 1998-03-16
Category : Science
ISBN : UOM:39015040163183

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Catalysis by Di- and Polynuclear Metal Cluster Complexes by Richard D. Adams,F. Albert Cotton Pdf

A pioneer work on catalysis of organic chemical reactions involving multinuclear metal complexes. Catalysis by Di- and Polynuclear Metal Cluster Complexes surveys the latest developments at the frontier of this exciting field, combining theory with new and original examples of catalytic processes produced by polynuclear metal complexes. An invaluable resource for inorganic and organometallic chemists in industry and R&D, it contains chapters from world experts and scholars on: Concepts and models for characterizing homogeneous reactions catalyzed by transition metal cluster complexes Activation of ruthenium clusters for use in catalysis Catalysis by mixed metal clusters containing gold phosphine groupings Catalysis by sulfido bridged dimolybdenum complexes Dimolybdenum and ditungsten complexes Synthesis of organic compounds catalyzed by transition metal clusters Catalysis with dirhodium (II) complexes Catalytic synthesis of polythioether macrocycles Catalysis of Rh, Rh-Co, and Ir-Co multinuclear complexes and its applications to organic syntheses Bimetallic hydroformylation catalysis Catalysis by colloids Catalysis with palladium clusters Heterometallic clusters for heterogeneous catalysis Supported clusters in catalysis.

Author : John B. Moffat
Publisher : Springer Science & Business Media
Page : 318 pages
File Size : 44,5 Mb
Release : 2005-12-11
Category : Science
ISBN : 9780306473784

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Metal-Oxygen Clusters by John B. Moffat Pdf

Metal-Oxygen Clusters is the first book, providing an overview of the surface chemistry and catalytic properties of heteropoly oxometalates. After a brief look at the early knowledge of heteropoly oxometalates, the book discusses the synthesis, characterization, structure, bulk properties and stability of these materials. The remainder and the largest portion of the book explores the properties of these solids as catalysts in acid-catalyzed and oxidation processes in supported or unsupported forms. The book provides an up-to-date review of the methods for synthesizing heteropoly oxometalates of Keggin structure, techniques from spectroscopic through electrochemical to elemental analysis for their characterization and the current information on their structure, bulk properties and their stabilities at high temperatures and under acid and alkaline conditions. The book discusses the materials employed as supports for the title solid and the results of the examination of the supported materials. Methods for the identification of the nature and source of the two catalytic functions, the acidic and oxidative properties, of the heteropoly oxometalates are reviewed and discussed. The use of both the supported and unsupported heteropoly oxometalates as catalysts in acidity-requisite processes ranging from methanol conversion to hydrocarbons to ring-expansion and contraction processes and in oxidation processes from methane cyclohexane are described and related to the aforementioned properties.

Author : Jean Bourdon
Publisher : Elsevier
Page : 548 pages
File Size : 47,5 Mb
Release : 2000-04-01
Category : Technology & Engineering
ISBN : 0080954308

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Growth and Properties of Metal Clusters: Applications to Catalysis and the Photographic Process - International Conference Proceedings by Jean Bourdon Pdf

Growth and Properties of Metal Clusters: Applications to Catalysis and the Photographic Process - International Conference Proceedings

Author : Duward F. Shriver,Herbert D. Kaesz,Richard D. Adams
Publisher : Wiley-VCH
Page : 456 pages
File Size : 42,8 Mb
Release : 1990
Category : Science
ISBN : UOM:39015021543395

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The Chemistry of Metal Cluster Complexes by Duward F. Shriver,Herbert D. Kaesz,Richard D. Adams Pdf

Seven chapters summarize the current status of organometallic cluster chemistry from the viewpoints of synthesis, structure and bonding, ligand substitution reactions, ligand transformations, polyhedral rearrangement, cluster fragmentation reactions, and metal clusters as homogeneous catalysts. An eighth provides an extensive bibliography of reviews for the period from 1965 to 1988. Annotation copyrighted by Book News, Inc., Portland, OR

Author : Paul J. Dyson,J. Scott McIndoe
Publisher : CRC Press
Page : 180 pages
File Size : 53,5 Mb
Release : 2018-10-03
Category : Science
ISBN : 9781482283075

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Transition Metal Carbonyl Cluster Chemistry by Paul J. Dyson,J. Scott McIndoe Pdf

Transition metal carbonyl clusters (TMCCs) continue to inspire great interest in chemical research, as much for their fascinating structures as for potential industrial applications conferred by their unique properties. This highly accessible book introduces the bonding, structure, spectroscopic properties, and characterization of clusters, and then explores their synthesis, reactivity, reaction mechanisms and use in organic synthesis and catalysis. Transition Metal Carbonyl Cluster Chemistry describes models and rules that correlate cluster structure with electron count, which are then applied in worked examples. Subsequent chapters explain how bonding relates to molecular structure, demonstrate the use of spectroscopic techniques such as NMR, IR and MS in cluster chemistry, and outline the factors contributing to the stability, dynamics and reactivity of clusters. The second part of this book discusses the synthesis and applications of TMCCs. It emphasizes the differences between the reactivities of clusters vs. mononuclear metal complexes, contingent to the availability of multiple-bonding sites and heterosite reactivity. The final chapters discuss reactions in which clusters act as homogeneous catalysts; including discussion on the use of solid and biphasic liquid-liquid supported clusters in heterogeneous catalysts. A useful reference for those commencing further research or post-graduate study on metal carbonyl clusters and advanced organometallic chemistry, this book is also a cornerstone addition to academic and libraries as well as private collections.

Author : R.M. Lambert,Gianfranco Pacchioni
Publisher : Springer Science & Business Media
Page : 534 pages
File Size : 42,5 Mb
Release : 2013-04-17
Category : Science
ISBN : 9789401589116

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Chemisorption and Reactivity on Supported Clusters and Thin Films: by R.M. Lambert,Gianfranco Pacchioni Pdf

Heterogeneous catalysis provides the backbone of the world's chemical and oil industries. The innate complexity of practical catalytic systems suggests that useful progress should be achievable by investigating key aspects of catalysis by experimental studies on idealised model systems. Thin films and supported clusters are two promising types of model system that can be used for this purpose, since they mimic important aspects of the properties of practical dispersed catalysts. Similarly, appropriate theoretical studies of chemisorption and surface reaction clusters or extended slab systems can provide valuable information on the factors that underlie bonding and catalytic activity. This volume describes such experimental and theoretical approaches to the surface chemistry and catalytic behaviour of metals, metal oxides and metal/metal oxide systems. An introduction to the principles and main themes of heterogeneous catalysis is followed by detailed accounts of the application of modern experimental and theoretical techniques to fundamental problems. The application of advanced experimental methods is complemented by a full description of theoretical procedures, including Hartree-Fock, density functional and similar techniques. The relative merits of the various approaches are considered and directions for future progress are indicated.

Author : Paul J. Dyson,J. Scott McIndoe
Publisher : CRC Press
Page : 190 pages
File Size : 41,7 Mb
Release : 2000-11-17
Category : Science
ISBN : 9056992899

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Transition Metal Carbonyl Cluster Chemistry by Paul J. Dyson,J. Scott McIndoe Pdf

Transition metal carbonyl clusters (TMCCs) continue to inspire great interest in chemical research, as much for their fascinating structures as for potential industrial applications conferred by their unique properties. This highly accessible book introduces the bonding, structure, spectroscopic properties, and characterization of clusters, and then explores their synthesis, reactivity, reaction mechanisms and use in organic synthesis and catalysis. Transition Metal Carbonyl Cluster Chemistry describes models and rules that correlate cluster structure with electron count, which are then applied in worked examples. Subsequent chapters explain how bonding relates to molecular structure, demonstrate the use of spectroscopic techniques such as NMR, IR and MS in cluster chemistry, and outline the factors contributing to the stability, dynamics and reactivity of clusters. The second part of this book discusses the synthesis and applications of TMCCs. It emphasizes the differences between the reactivities of clusters vs. mononuclear metal complexes, contingent to the availability of multiple-bonding sites and heterosite reactivity. The final chapters discuss reactions in which clusters act as homogeneous catalysts; including discussion on the use of solid and biphasic liquid-liquid supported clusters in heterogeneous catalysts. A useful reference for those commencing further research or post-graduate study on metal carbonyl clusters and advanced organometallic chemistry, this book is also a cornerstone addition to academic and libraries as well as private collections.

Author : Pierre Braunstein,Luis A. Oro,Paul R. Raithby
Publisher : Wiley-VCH
Page : 568 pages
File Size : 42,6 Mb
Release : 2000-01-11
Category : Science
ISBN : 3527295496

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Metal Clusters in Chemistry by Pierre Braunstein,Luis A. Oro,Paul R. Raithby Pdf

Metal cluster chemistry is at the cutting edge between molecular and solid-state chemistry and has therefore had a great impact on the researchers working on organic, coordination, and solid-state chemistry, catalysis, physics, and materials science. The development of new sophisticated synthetic techniques has led to enormous progress in the synthesis of this diverse class of compounds. The number of clusters is growing rapidly, since the possible variations in the metal and ligand sphere are numerous. Modern bonding theories, such as the isolobal principle, have allowed a better understanding of the structures and properties of metal clusters, and thus paved the way for the usage of these versatile materials. Catalysis and nanomaterials are just two of the very promising application-oriented fields. Seventy six contributions, written by world experts in this research field, provide extensive coverage of different aspects of cluster chemistry, ranging from synthesis, structure determination, and dynamics to applications. Up-to-date information, including an impressive collection of structural data and illustrations, extensive coverage of the most important publications of the last decade, and many more features make this three-volume set a complete single-source guide for all researchers working in the area of cluster chemistry.

Author : Jean-François Halet
Publisher : Springer Nature
Page : 201 pages
File Size : 48,7 Mb
Release : 2019-08-29
Category : Science
ISBN : 9783030251246

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Ligated Transition Metal Clusters in Solid-state Chemistry by Jean-François Halet Pdf

This volume dedicated to the memory of Marcel Sergent who was a leader in this field for many years, addresses past achievements and recent developments in this vibrant area of research. Large classes of ligated transition metal clusters are produced either exclusively or most reliably by means of high-temperature solid-state reactions. Among them, the Chevrel-Sergent phases and related materials have generated enormous interest since their discovery in 1971. Today, these materials and their numerous derivatives still constitute a vivid area of research finding some applications not only in superconductivity, but also in catalysis, optics or thermoelectricity to mention a few.

Author : Anonim
Publisher : Elsevier
Page : 372 pages
File Size : 50,9 Mb
Release : 2015-09-06
Category : Technology & Engineering
ISBN : 9780444635020

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Protected Metal Clusters: From Fundamentals to Applications by Anonim Pdf

Protected Metal Clusters: From Fundamentals to Applications surveys the fundamental concepts and potential applications of atomically precise metal clusters protected by organic ligands. As this class of materials is now emerging as a result of breakthroughs in synthesis and characterization that have taken place over the last few years, the book provides the first reference with a focus on these exciting novel nanomaterials, explaining their formation, and how, and why, they play an important role in the future of molecular electronics, catalysis, sensing, biological imaging, and medical diagnosis and therapy. Surveys the fundamental concepts and potential applications of atomically precise metal clusters protected by organic ligands. Provides well-organized, tutorial style chapters that are ideal for teaching and self-study In-depth descriptions by top scientists in the field Presents the state-of-the art of protected metal clusters and their future prospects