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Understanding Shape Control In Gold Nanoparticles From Molecular Dynamics Simulations
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Book Synopsis Understanding Shape Control in Gold Nanoparticles from Molecular Dynamics Simulations by : Santosh Kumar Meena
Download or read book Understanding Shape Control in Gold Nanoparticles from Molecular Dynamics Simulations written by Santosh Kumar Meena and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Shape Control and Shape Transformations of Metal Nanocrystals by : Tianyu Yan
Download or read book Shape Control and Shape Transformations of Metal Nanocrystals written by Tianyu Yan and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past decades, a great variety of metal nanostructures have been synthesized via solution-phase techniques. These nanostructures benefit diverse applications, including catalysis, bioelectronics, energy conversion and storage. It has been acknowledged that the sizes and shapes of metal nanoparticles can significantly impact their performances. In this dissertation, we focused on the shape-control mechanisms within the solution-phase synthesis of Cu and Ag nanocrystals using molecular dynamics simulations. The shapes of nanocrystal seeds are highly sensitive to the solution environment surrounding them. Our recent work has focused on characterizing the structures of Ag, Cu, Au, and Pd nanocrystals (at various sizes between 1-2 nm) using parallel tempering simulations based on embedded-atom method potentials. These simulations render the distribution of thermodynamically favored crystal shapes as a function of temperature and size in vacuum for each metal we studied. We also obtained kinetic information on the transformation pathways of clusters between different nanocrystal motifs and calculated the energy barriers. As observed in experiments and other theoretical studies, we find that many nanocrystal shape transitions are initiated by surface reconstruction. It allows the solvent, capping molecules, and additives which adsorb on the metal surfaces to modulate these transformations in solution-phase syntheses. To probe the solution-phase synthesis of Cu nanocrystals, we studied the assembly of long-chain alkylamine structure-directing agents (SDAs) in the presence of aqueous-phase on: i) infinite Cu planar surfaces; ii) thin and ultra-long five-fold Cu nanowires; and iii) a small decahedral Cu seed. The configuration and mobility of alkylamine SDAs are significantly impacted by the morphology of the Cu nanostructures, temperature and alkylamine chain length. The mobility of long-chain SDAs is temperature-dependent, which impacts the growth rate and consequently the morphology of a growing nanocrystal. Polyvinylpyrrolidone (PVP) has severed as an SDA in the shape formation of Ag nanocrystals in ethylene glycol (EG) solvent at moderate temperatures. To study how a long PVP chain interacts with a small Ag nanocluster in EG, we consider a Ag nanocluster, SDA, and solvent molecules into parallel tempering simulations, and probe the thermodynamically favored shapes of Ag nanoclusters at various sizes between 1-2 nm in solution-phase at the typical experimental temperatures. The equilibrium shapes of a Ag nanocrystal are subject to its size and solution environment.
Book Synopsis The Flatey Enigma by : Viktor Arnar Ingólfsson
Download or read book The Flatey Enigma written by Viktor Arnar Ingólfsson and published by Amazon Crossing. This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the spring of 1960 three men accidentally discover a decaying body on a deserted island, later identified as the body of a Danish codicologist who had been missing for several months. An investigation ensues and the case is mysteriously linked to the contents of a medieval manuscript known as the Book of Flatey. Before long another body is found in Flatey, but this time an eagle has been carved into the victim's back in blood, in the ancient Viking tradition.
Book Synopsis Molecular Dynamics Study of Alkanethiolate Self-Assembled Monolayer Coated Gold Nanoparticle by :
Download or read book Molecular Dynamics Study of Alkanethiolate Self-Assembled Monolayer Coated Gold Nanoparticle written by and published by . This book was released on 2007 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Through molecular simulations we have observed that the surface of gold nanoparticles become highly corrugated by the adsorption of alkanethiolate self assembled monolayers (SAMs). Furthermore, as the temperature is increased, the SAMs dissolve into the gold nanoparticle, creating a liquid mixture at temperatures much lower than the melting temperature of the gold nanoparticle. By analyzing the mechanical and chemical properties of gold nanoparticles at temperatures below the melting point of gold, with different SAM chain lengths and surface coverage properties, we have determined that the system is metastable. The model and computational results that provide support for this hypothesis are presented in this paper.
Book Synopsis Gold Nanoparticles for Physics, Chemistry and Biology by : Catherine Louis
Download or read book Gold Nanoparticles for Physics, Chemistry and Biology written by Catherine Louis and published by World Scientific. This book was released on 2012 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fascination with gold is a story which spans millennia, however scientists have recently found a new interest for gold when it is divided into miniscule grains, such as gold nanoparticles. This scientific enthusiasm started in various fields of science in the middle of the 1980s and the present book offers a panorama of the major scientific achievements obtained with gold nanoparticles.Various topics are reviewed such as: gold nanoparticle preparation methods, their plasmon resonance and thermo-optical properties, their catalytic properties, their use in biology and medicine as well as their possible toxicity and, finally, their future technological applications. The book also contains an in-depth study of the use of gold nanoparticles throughout the ages, starting from times where the concept of nanoparticles was beyond the realm of human imagination. All these topics are presented by world-class scientists within a set of self-contained chapters.This book may be used as an advanced textbook by graduate students and scientists who need an introduction to gold nanoparticles. It is also suitable for experts in the related areas of chemistry, biology, material science, optics and physics, who are interested in broadening their knowledge and who wish to have an overview of the subject. Each chapter gradually leads the reader from the basics of a topic towards some of the current scientific challenges in the area. The necessary background material to achieve a solid understanding of each topic and the scientific literature to go further in the field is provided.
Book Synopsis Molecular Dynamics and Machine Learning in Drug Discovery by : Sergio Decherchi
Download or read book Molecular Dynamics and Machine Learning in Drug Discovery written by Sergio Decherchi and published by Frontiers Media SA. This book was released on 2021-06-08 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dr. Sergio Decherchi and Dr. Andrea Cavalli are co-founders of BiKi Technologies s.r.l. - a company that commercializes a Molecular Dynamics-based software suite for drug discovery. All other Topic Editors declare no competing interests with regards to the Research Topic subject.
Book Synopsis Surface and Interface Science, Volume 7 by : Klaus Wandelt
Download or read book Surface and Interface Science, Volume 7 written by Klaus Wandelt and published by Wiley-VCH. This book was released on 2020-01-10 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering interface science from a novel surface science perspective, this seven-volume handbook offers a comprehensive overview of both these and numerous other topics. The initial chapters treat basic fundamentals on such topics as vacuum technology, while general chapters -- where appropriate -- describe theoretical methods and provide models to help explain the respective phenomena, such as band structure calculations, chemisorption and segregation. Additionally, short references to more specialized methodology accompany the descriptions of the most important techniques. Ideal as a reference for scientists in the field, as well as an introduction to current methods for newcomers.
Book Synopsis Morphological, Compositional, and Shape Control of Materials for Catalysis by : Paolo Fornasiero
Download or read book Morphological, Compositional, and Shape Control of Materials for Catalysis written by Paolo Fornasiero and published by Elsevier. This book was released on 2017-05-23 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: Morphological, Compositional, and Shape Control of Materials for Catalysis, Volume 177, the latest in the Studies in Surface Science and Catalysis series, documents the fast-growing developments in the synthesis, characterization, and utilization of nanostructures for catalysis. The book provides essential background on using well-defined materials for catalysis and presents exciting new paradigms in the preparation and application of catalytic materials, with an emphasis on how structure determines catalytic properties. In addition, the book uniquely features discussions on the future of the field, with ample space for future directions detailed in each chapter. - Presents the latest paradigms in the preparation and application of catalytic materials - Provides essential background on using well-defined materials for catalysis - Features discussion of future directions at the end of each chapter
Book Synopsis Handbook of Less-Common Nanostructures by : Boris I. Kharisov
Download or read book Handbook of Less-Common Nanostructures written by Boris I. Kharisov and published by CRC Press. This book was released on 2012-03-19 with total page 867 pages. Available in PDF, EPUB and Kindle. Book excerpt: As nanotechnology has developed over the last two decades, some nanostructures, such as nanotubes, nanowires, and nanoparticles, have become very popular. However, recent research has led to the discovery of other, less-common nanoforms, which often serve as building blocks for more complex structures. In an effort to organize the field, the Handbook of Less-Common Nanostructures presents an informal classification based mainly on the less-common nanostructures. A small nanotechnological encyclopedia, this book: Describes a range of little-known nanostructures Offers a unifying vision of the synthesis of nanostructures and the generalization of rare nanoforms Includes a CD-ROM with color versions of more than 100 nanostructures Explores the fabrication of rare nanostructures, including modern physical, chemical, and biological synthesis techniques The Handbook of Less-Common Nanostructures discusses a classification system not directly related to the dimensionality and chemical composition of nanostructure-forming compounds or composite. Instead, it is based mainly on the less-common nanostructures. Possessing unusual shapes and high surface areas, these structures are potentially very useful for catalytic, medical, electronic, and many other applications.
Book Synopsis Advances in Mathematical Modeling and Experimental Methods for Materials and Structures by : Rivka Gilat
Download or read book Advances in Mathematical Modeling and Experimental Methods for Materials and Structures written by Rivka Gilat and published by Springer Science & Business Media. This book was released on 2009-12-18 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of cutting-edge papers, written by leading authors in honor of Professor Jacob Aboudi, covers a wide spectrum of topics in the field, presents both theoretical and experimental approaches, and suggests directions for possible future research.
Book Synopsis Exploration of Interfacial Thermal Conductance of Gold Nanoparticles Using Molecular Dynamics by : Suzanne M. Neidhart
Download or read book Exploration of Interfacial Thermal Conductance of Gold Nanoparticles Using Molecular Dynamics written by Suzanne M. Neidhart and published by . This book was released on 2019 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermoplasmonics by : Guillaume Baffou
Download or read book Thermoplasmonics written by Guillaume Baffou and published by Cambridge University Press. This book was released on 2017-10-19 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasmonics is an important branch of optics concerned with the interaction of metals with light. Under appropriate illumination, metal nanoparticles can exhibit enhanced light absorption, becoming nanosources of heat that can be precisely controlled. This book provides an overview of the exciting new field of thermoplasmonics and a detailed discussion of its theoretical underpinning in nanophotonics. This topic has developed rapidly in the last decade, and is now a highly-active area of research due to countless applications in nanoengineering and nanomedicine. These important applications include photothermal cancer therapy, drug and gene delivery, nanochemistry and photothermal imaging. This timely and self-contained text is suited to all researchers and graduate students working in plasmonics, nano-optics and thermal-induced processes at the nanoscale.
Book Synopsis Anisotropic and Shape-Selective Nanomaterials by : Simona E. Hunyadi Murph
Download or read book Anisotropic and Shape-Selective Nanomaterials written by Simona E. Hunyadi Murph and published by Springer. This book was released on 2017-07-14 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews recent advances in the synthesis, characterization, and physico-chemical properties of anisotropic nanomaterials. It highlights various emerging applications of nanomaterials, including sensing and imaging, (bio)medical applications, environmental protection, plasmonics, catalysis, and energy. It provides an excellent and comprehensive overview of the effect that morphology and nanometric dimension has on the physico-chemical properties of various materials and how this leads to novel applications.
Book Synopsis Molecular Simulations of Gold Nanoparticles Coated With Self-Assembled Alkanethiolate Monolayers by :
Download or read book Molecular Simulations of Gold Nanoparticles Coated With Self-Assembled Alkanethiolate Monolayers written by and published by . This book was released on 2006 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to utilize the novel electrical, magnetic, optical, and physical properties of coated metal nanoparticles, one must be able to efficiently predict the nanoparticle size-dependent properties and to fabricate consistently sized nanoparticles. Both of these goals can be obtained through the use of numerical simulation. In this work the gold nanoparticle and nanoparticle/self-assembled monolayer systems have been analyzed with a physically accurate and computationally efficient numerical simulation. The simulation model and method are described in the following paper.
Book Synopsis Complex-shaped Metal Nanoparticles by : Tapan K. Sau
Download or read book Complex-shaped Metal Nanoparticles written by Tapan K. Sau and published by John Wiley & Sons. This book was released on 2012-08-07 with total page 583 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past few years have witnessed the development of non-spherical metal nanoparticles with complex morphologies, which offer tremendous potential in materials science, chemistry, physics and medicine. Covering all important aspects and techniques of preparation and characterization of metal nanoparticles with controlled morphology and architecture, this book provides a sound overview - from the basics right up to recent developments. Renowned research scientists from all over the world present the existing knowledge in the field, covering theory and modeling, synthesis and properties of these nanomaterials. By emphasizing the underlying concepts and principles in detail, this book enables researchers to fully recognize the future research scope and the application potential of the complex-shaped metal nanoparticles, inspiring further research in this field.
Book Synopsis Nanoparticles by : American Chemical Society. Meeting
Download or read book Nanoparticles written by American Chemical Society. Meeting and published by . This book was released on 2008 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book summarizes recent advances in methods to synthesize, stabilize, passivate and functionalize diverse nanoparticles from metals, metal oxides, semiconductors, polymers, organics and biomolecules. A wide range of potential appplications with nanoparticles as building blocks are described.
Book Synopsis 21st Century Nanoscience – A Handbook by : Klaus D. Sattler
Download or read book 21st Century Nanoscience – A Handbook written by Klaus D. Sattler and published by CRC Press. This book was released on 2019-11-26 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date reference is the most comprehensive summary of the field of nanoscience and its applications. It begins with fundamental properties at the nanoscale and then goes well beyond into the practical aspects of the design, synthesis, and use of nanomaterials in various industries. It emphasizes the vast strides made in the field over the past decade – the chapters focus on new, promising directions as well as emerging theoretical and experimental methods. The contents incorporate experimental data and graphs where appropriate, as well as supporting tables and figures with a tutorial approach.
