Download or read book Electronic and structural properties of nanoclusters written by Alexey Tal and published by Linköping University Electronic Press. This book was released on 2018-03-15 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoclusters have gained a huge interest due to their unique properties. They represent an intermediate state between an atom and a solid, which manifests itself in their atomic configurations and electronic structure. The applications of nanoclusters require detailed understanding of their properties and strongly depend on the ability to control their synthesis process. Significant effort has been invested in modelling of nanoclusters properties. However, the complexity of these systems is such that many aspects of their growth process and properties are yet to be understood. My thesis focuses on describing structural and electronic properties of nanoclusters. In particular, the model for nanoparticles growth in plasma condition is developed and applied, allowing to describe the influence of the plasma conditions on the evaporation, growth and morphological transformation processes. The mechanism driving the morphology transition from icosahedral to decahedral phase is suggested based on force-fields models. Spectroscopic methods allow for precise characterization of nanoclusters and constitute an important tool for analysis of their electronic structure of valence band as well as core-states. The special attention in the thesis is paid to the core-states of nanoclusters and influences that affect them. In particular, the effects of local coordination, interatomic distances and confinement effects are investigated in metal nanoclusters by density functional theory methods. These effects and their contribution to spectroscopic features of nanoclusters in X-ray photoemission are modelled. The relation between the reactivity of nanoclusters and their spectroscopic features calculated in different approximations are revealed and explained. Ceria is a very important system for many applications due to the ability of cerium atoms to change their oxidation state depending on the environment. The shift of the oxidation state and its effects on the core-states is examined with X-ray absorption measurements and modelling allowing to build a rigid foundation for interpretation of the measured spectra and characterization of electronic structure of ceria nanoparticles.
Download or read book Structure and Properties of Atomic Nanoclusters written by Julio A. Alonso and published by World Scientific. This book was released on 2012 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomic clusters are aggregates of atoms containing a few to several thousand atoms. Due to the small size of these pieces of matter, the properties of atomic clusters in general are different from those of the corresponding material in the macroscopic bulk phase. This monograph presents the main developments of atomic clusters and the current status of the field. The book treats different types of clusters with very different properties: clusters in which the atoms or molecules are tied by weak van der Waals interactions, metallic clusters, clusters of ionic materials, and network clusters made of typical covalent elements. It includes methods of experimental cluster synthesis as well as the structural, electronic, thermodynamic and magnetic properties of clusters, covering both experiments and the theoretical work that has led to our present understanding of the different properties of clusters. The question of assembling nanoclusters to form solids with new properties is also considered. Having an adequate knowledge of the properties of clusters can be of great help to any scientist working with objects of nanometric size. On the other hand, nanoclusters are themselves potentially important in fields like catalysis and nanomedicine.
Download or read book Metal Nanoclusters in Catalysis and Materials Science The Issue of Size Control written by Benedetto Corain and published by Elsevier. This book was released on 2011-08-11 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Nanoclusters in Catalysis and Materials Science: The Issue of Size Control deals with the synthesis of metal nanoclusters along all known methodologies. Physical and chemical properties of metal nanoclusters relevant to their applications in chemical processing and materials science are covered thoroughly. Special attention is given to the role of metal nanoclusters size and shape in catalytic processes and catalytic applications relevant to industrial chemical processing.An excellent text for expanding the knowledge on the chemistry and physics of metal nanoclusters. Divided in two parts; Part I deals with general aspects of the matter and Part II has to be considered a useful handbook dealing with the production of metal nanoclusters, especially from their size-control point of view.* Divided into two parts for ease of reference: general and operational * Separation of synthetic aspects, physical properties and applications* Specific attention is given to the task of metal nanoclusters size-control
Download or read book Atomically Precise Metal Nanoclusters written by Zhikun Wu and published by Morgan & Claypool Publishers. This book was released on 2020-11-06 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomically precise metal nanocluster research has emerged as a new frontier. This book serves as an introduction to metal nanoclusters protected by ligands. The authors have summarized the synthesis principles and methods, the characterization methods and new physicochemical properties, and some potential applications. By pursuing atomic precision, such nanocluster materials provide unprecedented opportunities for establishing precise relationships between the atomic-level structures and the properties. The book should be accessible to senior undergraduate and graduate students, researchers in various fields (e.g., chemistry, physics, materials, biomedicine, and engineering), R&D scientists, and science policy makers.
Download or read book Metal Nanoparticles written by Daniel L. Fedlheim and published by CRC Press. This book was released on 2001-10-26 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: A state-of-the-art reference, Metal Nanoparticles offers the latest research on the synthesis, characterization, and applications of nanoparticles. Following an introduction of structural, optical, electronic, and electrochemical properties of nanoparticles, the book elaborates on nanoclusters, hyper-Raleigh scattering, nanoarrays, and several applications including single electron devices, chemical sensors, biomolecule sensors, and DNA detection. The text emphasizes how size, shape, and surface chemistry affect particle performance throughout. Topics include synthesis and formation of nanoclusters, nanosphere lithography, modeling of nanoparticle optical properties, and biomolecule sensors.
Download or read book Electronic Structure of Materials written by Rajendra Prasad and published by Taylor & Francis. This book was released on 2013-07-23 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most textbooks in the field are either too advanced for students or don't adequately cover current research topics. Bridging this gap, Electronic Structure of Materials helps advanced undergraduate and graduate students understand electronic structure methods and enables them to use these techniques in their work.Developed from the author's lecture
Download or read book Metal Nanoparticles and Clusters written by Francis Leonard Deepak and published by Springer. This book was released on 2017-11-17 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the continually expanding field of metal nanoparticles and clusters, in particular their size-dependent properties and quantum phenomena. The approaches to the organization of atoms that form clusters and nanoparticles have been advancing rapidly in recent times. These advancements are described through a combination of experimental and computational approaches and are covered in detail by the authors. Recent highlights of the various emerging properties and applications ranging from plasmonics to catalysis are showcased.
Download or read book Nanomaterials written by A.S Edelstein and published by CRC Press. This book was released on 1998-01-01 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomaterials: Synthesis, Properties and Applications provides a comprehensive introduction to nanomaterials, from how to make them to example properties, processing techniques, and applications. Contributions by leading international researchers and teachers in academic, government, and industrial institutions in nanomaterials provide an accessibl
Download or read book Atomically Precise Nanochemistry written by Rongchao Jin and published by John Wiley & Sons. This book was released on 2023-06-12 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explore recent progress and developments in atomically precise nanochemistry Chemists have long been motivated to create atomically precise nanoclusters, not only for addressing some fundamental issues that were not possible to tackle with imprecise nanoparticles, but also to provide new opportunities for applications such as catalysis, optics, and biomedicine. In Atomically Precise Nanochemistry, a team of distinguished researchers delivers a state-of-the-art reference for researchers and industry professionals working in the fields of nanoscience and cluster science, in disciplines ranging from chemistry to physics, biology, materials science, and engineering. A variety of different nanoclusters are covered, including metal nanoclusters, semiconductor nanoclusters, metal-oxo systems, large-sized organometallic nano-architectures, carbon clusters, and supramolecular architectures. The book contains not only experimental contributions, but also theoretical insights into the atomic and electronic structures, as well as the catalytic mechanisms. The authors explore synthesis, structure, geometry, bonding, and applications of each type of nanocluster. Perfect for researchers working in nanoscience, nanotechnology, and materials chemistry, Atomically Precise Nanochemistry will also benefit industry professionals in these sectors seeking a practical and up-to-date resource.
Download or read book Nanoclusters and Nanostructured Surfaces written by Asok K. Ray and published by . This book was released on 2010 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Download or read book Protected Metal Clusters From Fundamentals to Applications written by and published by Elsevier. This book was released on 2015-09-06 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Download or read book Silicene written by Michelle Spencer and published by Springer. This book was released on 2016-02-19 with total page 283 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the current state-of-the art of single layer silicene up to thicker silicon nanosheets, and their structure, properties and potential applications. Silicene is a newly discovered material that is one atomic layer think. It is a two-dimensional (2D) nanomaterial that is classified as a nanosheet, which has large lateral dimensions up to micrometres, but thicknesses of only nanometres or less. Silicon nanosheets are currently a very ‘hot’ area of research. The unique properties and morphology of such materials make them ideal for a variety of applications, including electronic devices, batteries and sensors. 2D nanosheets of silicon can be considered as analogues of graphene. As silicon is already the major component of electronic devices, the significance of nanosheets composed of silicon is that they can be more easily integrated into existing electronic devices. Furthermore, if 2D nanostructured Si can be implemented into such devices, then their size could be reduced into the nano-regime, providing unique properties different from bulk Si that is currently employed. The book is written for researchers and graduate students.
Download or read book Nanoclusters and Nanocrystals written by Hari Singh Nalwa and published by . This book was released on 2003 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoclusters' potential applications include microelectronics, magnetic storage, optical data storage, spintronics devices, telecommunications, sensors, transducers, biological markers, switches, electroluminescent displays, chemical reactors, and catalysts, among others; nanocrystalline materials w
Download or read book Metal Nanocluster Chemistry written by Manzhou Zhu and published by Elsevier. This book was released on 2023-01-18 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomically precise metal nanoclusters occupy the gap between discrete atoms and plasmonic nanomaterials, and they offer intriguing physical-chemical properties that can be rationalized in terms of their quantum size effects and discrete electronic states. The atomically precise nature of their structures lends them well to structure-property relationship elucidation, making them particularly useful for informing the rational design of nanoclusters with enhanced performance. Metal Nanocluster Chemistry: Ligand-Protected Metal Nanoclusters With Atomic Precision provides a concise introduction to the study of these useful nanoclusters. Beginning with an introduction to the fundamental concepts of, and prospects for, metal nanoclusters, the book goes on to highlight synthetic methods for controllable preparation. The subsequent chapters then highlight characterization, mechanism of size growth and structure evolution, and physical-chemical properties. Later chapters examine theoretical approaches for calculating and evaluating structures and properties. They also highlight the assembly of nanocluster building blocks and their practical applications. Drawing on the knowledge of its expert author, Metal Nanocluster Chemistry is a useful introductory guide to these exciting structures. - Provides a concise introduction to atomically-precise metal nanoclusters, ranging from characterization and property investigation to applications - Includes insight into both current trends and future potential, encouraging and supporting further development - Holistically combines physical approaches with theoretical calculation methods
Download or read book Superhalogens Superalkalis Exploration of Structure Properties and Applications written by Ambrish Kumar Srivastava and published by Frontiers Media SA. This book was released on 2022-12-07 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Computational Modeling of Inorganic Nanomaterials written by Stefan T. Bromley and published by CRC Press. This book was released on 2016-01-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering a detailed summary of available modeling methods, both “top-down” and “bottom-up”, this book offers systematic coverage of the use of modeling in the development and application of inorganic nano-materials in industry including sensors, optics, biotechnology, and solar cells. It provides readers with the necessary information to choose the right models and methods for describing particular physical and chemical properties of inorganic materials at varying length scales. Sections include Structure and Dimensionality; Thermodynamics and Nucleation; Magnetic, Optical, and Electronic and Transport Properties; and Case Studies.
