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Chemical Modifications Of Graphene-like Materials

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Release : 2023-12-27
Genre : Science
Kind : eBook
Book Rating : 952/5 ( reviews)

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Book Synopsis Chemical Modifications Of Graphene-like Materials by : Nguyen Thanh Tien

Download or read book Chemical Modifications Of Graphene-like Materials written by Nguyen Thanh Tien. This book was released on 2023-12-27. Available in PDF, EPUB and Kindle. Book excerpt: Graphene-like materials have attracted considerable interest in the fields of condensed-matter physics, chemistry, and materials science due to their interesting properties as well as the promise of a broad range of applications in energy storage, electronic, optoelectronic, and photonic devices.The contents present the diverse phenomena under development in the grand quasiparticle framework through the first-principles calculations. The critical mechanisms, the orbital hybridizations and spin configurations of graphene-like materials through the chemical adsorptions, intercalations, substitutions, decorations, and heterojunctions, are taken into account. Specifically, the hydrogen-, oxygen-, transition-metal- and rare-earth-dependent compounds are thoroughly explored for the unusual spin distributions. The developed theoretical framework yields concise physical, chemical, and material pictures. The delicate evaluations are thoroughly conducted on the optimal lattices, the atom- and spin-dominated energy bands, the orbital-dependent sub-envelope functions, the spatial charge distributions, the atom- orbital- and spin-projected density of states, the spin densities, the magnetic moments, and the rich optical excitations. All consistent quantities are successfully identified by the multi-orbital hybridizations in various chemical bonds and guest- and host-induced spin configurations.The scope of the book is sufficiently broad and deep in terms of the geometric, electronic, magnetic, and optical properties of 3D, 2D, 1D, and 0D graphene-like materials with different kinds of chemical modifications. How to evaluate and analyze the first-principles results is discussed in detail. The development of the theoretical framework, which can present the diversified physical, chemical, and material phenomena, is obviously illustrated for each unusual condensed-matter system. To achieve concise physical and chemical pictures, the direct and close combinations of the numerical simulations and the phenomenological models are made frequently available via thorough discussions. It provides an obvious strategy for the theoretical framework, very useful for science and engineering communities.

Graphene Materials

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Release : 2017-05-17
Genre : Science
Kind : eBook
Book Rating : 397/5 ( reviews)

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Book Synopsis Graphene Materials by : George Kyzas

Download or read book Graphene Materials written by George Kyzas. This book was released on 2017-05-17. Available in PDF, EPUB and Kindle. Book excerpt: Graphene is, basically, a single atomic layer of graphite, an abundant mineral that is an allotrope of carbon that is made up of very tightly bonded carbon atoms organized into a hexagonal lattice. What makes graphene so special is its sp2 hybridization and very thin atomic thickness (of 0.345 Nm). These properties are what enable graphene to break so many records in terms of strength, electricity, and heat conduction (as well as many others). This book gathers valuable information about the surface chemistry of graphene, some of its properties (electrical, mechanical, etc.), and many of its modifications that can be taken into account.

Chemical Synthesis and Applications of Graphene and Carbon Materials

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Release : 2016-11-22
Genre : Science
Kind : eBook
Book Rating : 194/5 ( reviews)

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Book Synopsis Chemical Synthesis and Applications of Graphene and Carbon Materials by : Markus Antonietti

Download or read book Chemical Synthesis and Applications of Graphene and Carbon Materials written by Markus Antonietti. This book was released on 2016-11-22. Available in PDF, EPUB and Kindle. Book excerpt: This ready reference and handbook is unique in its focus on synthesis and the application of graphene and other carbon materials with an emphasis on chemistry aspects. To this extent, it deals with top-down and bottom-up approaches across the different length scales for graphene from polycyclic aromatic hydrocarbons to graphene nanoribbons and graphene sheets, as well as carbon materials from quantum dots, nanostructured particles, and fibers, right up to tubes, bulk structures, and much more besides. In so doing, it presents the best synthetic methods: pyrolysis, chemical vapor deposition, templating and surface-mediated synthesis, self-assembly, surface-grafting and modification. Edited by two excellent, experienced and highly renowned editors, both of whom are directors of Max Planck Institutes.

Modification of Graphene Oxide for Tailored Functionality

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Release : 2018
Genre : Chemistry
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Modification of Graphene Oxide for Tailored Functionality by : Bradley J. Rodier

Download or read book Modification of Graphene Oxide for Tailored Functionality written by Bradley J. Rodier. This book was released on 2018. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanomaterials have garnered increasing attention in the past decade due to their multifunctionality. Graphene, a two-dimensional hexagonal lattice of sp2 hybridized carbons, has been of particular interest due to its high electrical and thermal conductivity as well as it mechanical robustness, good gas barrier properties, and antimicrobial properties. Derivatives of graphene, graphene oxide (GO) and reduced graphene oxide (rGO), provide unique chemical landscapes of oxygenated moieties for targeted chemistry, and also allow for isolation of single nanosheets. The aim of this work was to explore the utilization of these chemical targets to provide novel and unexplored structures and properties through the unique capability of GO to assemble at fluid-fluid interfaces. In doing so, the use of GO as a nanosurface for polymerizations, composite enhancement, and surfactants for complex emulsions systems were defined. Herein, GO assembly at the interface of oil in water was used in combination with grafting to, grafting from, and grafting through polymerizations. This demonstrated that polymer brushes could successfully be attached on the surface of this nanomaterial through covalent means to prepare Janus nanosheets, as well as that GO could be incorporated to the surface of polymer particles. This interfacial assembly was then extended to feed materials for 3D printing and encapsulation of phase change materials. This demonstrated that rGO could be put at the surface of these materials and bestow electrical and thermal conductivity, to tailored and novel composites. Lastly, a facile process was developed to chemically modify GO nanosheets such that they can be dispersed in a variety of solvents. This allowed for the formation of stable oil-in-oil emulsions. This system was then used for emulsion polymerizations. Several polymeric architectures could be prepared by reactions in the oil-in-oil emulsions based on the phase location of the monomers; this process allowed for the incorporation of water sensitive reagents normally ignored in traditional oil-in-water emulsion reactions. The work reported herein provides a foundation from which to explore novel and useful materials architectures using fundamental chemical modifications.

Graphene Chemistry

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Release : 2013-10-14
Genre : Technology & Engineering
Kind : eBook
Book Rating : 128/5 ( reviews)

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Book Synopsis Graphene Chemistry by : De-en Jiang

Download or read book Graphene Chemistry written by De-en Jiang. This book was released on 2013-10-14. Available in PDF, EPUB and Kindle. Book excerpt: What are the chemical aspects of graphene as a novel 2D material and how do they relate to the molecular structure? This book addresses these important questions from a theoretical and computational standpoint. Graphene Chemistry: Theoretical Perspectives presents recent exciting developments to correlate graphene’s properties and functions to its structure through state-of-the-art computational studies. This book focuses on the chemistry aspect of the structure-property relationship for many fascinating derivatives of graphene; various properties such as electronic structure, magnetism, and chemical reactivity, as well as potential applications in energy storage, catalysis, and nanoelectronics are covered. The book also includes two chapters with significant experimental portions, demonstrating how deep insights can be obtained by joint experimental and theoretical efforts. Topics covered include: Graphene ribbons: Edges, magnetism, preparation from unzipping, and electronic transport Nanographenes: Properties, reactivity, and synthesis Clar sextet rule in nanographene and graphene nanoribbons Porous graphene, nanomeshes, and graphene-based architecture and assemblies Doped graphene: Theory, synthesis, characterization and applications Mechanisms of graphene growth in chemical vapor deposition Surface adsorption and functionalization of graphene Conversion between graphene and graphene oxide Applications in gas separation, hydrogen storage, and catalysis Graphene Chemistry: Theoretical Perspectives provides a useful overview for computational and theoretical chemists who are active in this field and those who have not studied graphene before. It is also a valuable resource for experimentalist scientists working on graphene and related materials, who will benefit from many concepts and properties discussed here.

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