Self-Assembly of Flat Organic Molecules on Metal Surfaces PDF Download
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Author: Manuela Mura
Publisher: Springer Science & Business Media
ISBN: 3642303250
Category : Science
Languages : en
Pages : 181
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Book Description
Manuela Mura's thesis is devoted to ab initio studies of self-assembled organic molecules on a gold surface. This area of research is particularly vibrant because of the various applications such studies have in nanoscience and surface chemistry and physics. In this thesis Manuela Mura uses theory to suggest atomistic models for the observed assembled and she proposes an assembly mechanism. The methods and results developed as part of this work will be of wide interest to physicists and chemists working on the assemblies of organic molecules on crystal surfaces.
Author: Manuela Mura
Publisher: Springer Science & Business Media
ISBN: 3642303250
Category : Science
Languages : en
Pages : 181
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Book Description
Manuela Mura's thesis is devoted to ab initio studies of self-assembled organic molecules on a gold surface. This area of research is particularly vibrant because of the various applications such studies have in nanoscience and surface chemistry and physics. In this thesis Manuela Mura uses theory to suggest atomistic models for the observed assembled and she proposes an assembly mechanism. The methods and results developed as part of this work will be of wide interest to physicists and chemists working on the assemblies of organic molecules on crystal surfaces.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 248
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Book Description
Author: Jens Weckesser
Publisher:
ISBN:
Category :
Languages : en
Pages : 134
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Book Description
Author: Manuela Mura (Physicist)
Publisher:
ISBN:
Category : Supramolecular chemistry
Languages : en
Pages : 366
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Book Description
The work in this thesis is focused on molecules that are able to self-assemble on different surfaces by forming two-dimensional templates stabilised via double or triple hydrogen bonding. In particular, assemblies of molecules such as melamine, perylene tetra-carboxylic di-imide (PTCDI), perylene tetra-carboxylic di-anhydride (PTCDA), naphthalene tetracarboxylic-dianhydride (NTCDA) and naphthalene tetracarboxylic diimide (NTCDI) are studied in detail. The aim is to give a complete characterisation of the supramolecular networks, taking into account the balance between the molecule-molecule and molecule-substrate interactions. All our assembly calculations are done within the gas phase approximation, i.e. without taking into account the surface, which is a good approximation assuming that the molecules are quite mobile on the surface. Using a systematic method based on considering all possible hydrogen bond connections between the molecules we investigate planar superstructures that organic molecules can form in one and two dimensions. The structures studied are based on two or more molecules per unit cell and all structures considered, assemble in fiat periodic patterns. Most of the calculations are performed using the density functional theory method. We show that the calculated lattice parameters of the structures considered compare well with those measured experimentally. To specifically check the applicability of the gas-phase approximation, we systematically investigated the adsorption of the molecules on the Au (111) metal surface with the particular attention being paid to the characterisation of the potential energy surface of our molecules on this surface. We performed these calculations using both a conventional functional (PBE) which does not include the dispersion interaction, and the newly developed vdW-DF method which does.
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Category :
Languages : en
Pages :
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Book Description
The embodiments disclosed herein include all-electron control over a chemical attachment and the subsequent self-assembly of an organic molecule into a well-ordered three-dimensional monolayer on a metal surface. The ordering or assembly of the organic molecule may be through electron excitation. Hot-electron and hot-hole excitation enables tethering of the organic molecule to a metal substrate, such as an alkyne group to a gold surface. All-electron reactions may allow a direct control over the size and shape of the self-assembly, defect structures and the reverse process of molecular disassembly from single molecular level to mesoscopic scale.
Author: Giulia Tomba
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 274
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Book Description
Author: David L. Wisman (II)
Publisher:
ISBN:
Category : Metal-organic frameworks
Languages : en
Pages : 0
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Book Description
Surface-assisted self-assembly of architectures is showing promise for the development of more efficient technologies and processes related to the fields of organic electronics, photovoltaics and heterogeneous catalysis. The detailed understanding of the intermolecular and molecule-substrate interactions that are responsible for resulting surface architectures is necessary for the rational design molecular systems. The experiments detailed within this thesis show that through careful tuning of organic molecules significant changes are observed in the 2-D self-assembly, 3-D stacking, or metal-organic coordination properties.
Author: Katsuhiko Ariga
Publisher: Elsevier
ISBN: 0323994733
Category : Technology & Engineering
Languages : en
Pages : 648
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Book Description
Materials Nanoarchitectonics: From Integrated Molecular Systems to Advanced Devices provides the latest information on the design and molecular manipulation of self-organized hierarchically structured systems using tailor-made nanoscale materials as structural and functional units. The book is organized into three main sections that focus on molecular design of building blocks and hybrid materials, formation of nanostructures, and applications and devices. Bringing together emerging materials, synthetic aspects, nanostructure strategies, and applications, the book aims to support further progress, by offering different perspectives and a strong interdisciplinary approach to this rapidly growing area of innovation. This is an extremely valuable resource for researchers, advanced students, and scientists in industry, with an interest in nanoarchitectonics, nanostructures, and nanomaterials, or across the areas of nanotechnology, chemistry, surface science, polymer science, electrical engineering, physics, chemical engineering, and materials science. Offers a nanoarchitectonic perspective on emerging fields, such as metal-organic frameworks, porous polymer materials, or biomimetic nanostructures Discusses different approaches to utilizing "soft chemistry" as a source for hierarchically organized materials Offers an interdisciplinary approach to the design and construction of integrated chemical nano systems Discusses novel approaches towards the creation of complex multiscale architectures
Author: Zhiming M Wang
Publisher: Springer Science & Business Media
ISBN: 144197587X
Category : Technology & Engineering
Languages : en
Pages : 240
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Book Description
The intersection of nanostructured materials with photonics and electronics shows great potential for clinical diagnostics, sensors, ultrafast telecommunication devices, and a new generation of compact and fast computers. Nanophotonics draws upon cross-disciplinary expertise from physics, materials science, chemistry, electrical engineering, biology, and medicine to create novel technologies to meet a variety of challenges. This is the first book to focus on novel materials and techniques relevant to the burgeoning area of nanoscale photonics and optoelectronics, including novel-hybrid materials with multifunctional capabilities and recent advancements in the understanding of optical interactions in nanoscale materials and quantum-confined objects. Leading experts provide a fundamental understanding of photonics and the related science and technology of plasmonics, polaritons, quantum dots for nanophotonics, nanoscale field emitters, near-field optics, nanophotonic architecture, and nanobiophotonic materials.
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Publisher: Elsevier
ISBN: 0128098945
Category : Science
Languages : en
Pages : 5276
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Book Description
Encyclopedia of Interfacial Chemistry: Surface Science and Electrochemistry, Seven Volume Set summarizes current, fundamental knowledge of interfacial chemistry, bringing readers the latest developments in the field. As the chemical and physical properties and processes at solid and liquid interfaces are the scientific basis of so many technologies which enhance our lives and create new opportunities, its important to highlight how these technologies enable the design and optimization of functional materials for heterogeneous and electro-catalysts in food production, pollution control, energy conversion and storage, medical applications requiring biocompatibility, drug delivery, and more. This book provides an interdisciplinary view that lies at the intersection of these fields. Presents fundamental knowledge of interfacial chemistry, surface science and electrochemistry and provides cutting-edge research from academics and practitioners across various fields and global regions
