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Characterization Of Self Assembled Monolayers By Sum Frequency Generation Spectroscopy And Imaging Microscopy
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Book Synopsis Characterization of Self-assembled Monolayers by Sum Frequency Generation Spectroscopy and Imaging Microscopy by : Jack Deodato C. Jacob
Download or read book Characterization of Self-assembled Monolayers by Sum Frequency Generation Spectroscopy and Imaging Microscopy written by Jack Deodato C. Jacob and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation reports the characterization of self-assembled monolayers utilizing sum frequency generation (SFG) vibrational spectroscopy and imaging microscopy. Several variables were studied for their effect on the conformational order of the formed monolayers. In the analysis of octadecanoxy-phenylethanethiolate monolayers on gold, it was determined that the presence of an aromatic ring near the gold substrate caused no significant loss of the conformational order of the monolayer. Gauche and kink defects were observed by SFG spectroscopy, caused by the cross-sectional difference of the alkoxy chains and the aromatic ring, forcing the chains to tilt and kink until the methylene groups further above the chains can align to form the all-trans conformation. Additional octadecyl chains attached to the aromatic ring led to an increase in gauche defects, implying the decrease of conformational order is also due to steric effects. SFG imaging microscopy was used to determine the effect of the grain size of the gold substrate on the quality of monolayers produced. Analysis of the resulting images revealed that dodecanethiolate monolayers grown on surfaces with a large average grain size have fewer gauche defects within the alkyl chain assembly and thus are more conformationally ordered than those deposited on smaller-grained substrates. This variance between surfaces was not observed with octadecanethiolate monolayers, possibly due to the increased conformational ordering associated with their longer chain length enables the these thiolates to reduce any chain disordering induced by the grain size of the substrate. Finally, the in situ SFG spectroscopy was used to monitor self-assembled monolayers as they reductively desorb in alkaline solution.
Book Synopsis Improvements on the Analysis and Instrumentation for Sum Frequency Generation Spectroscopy and Microscopy by : Joon Hee Jang
Download or read book Improvements on the Analysis and Instrumentation for Sum Frequency Generation Spectroscopy and Microscopy written by Joon Hee Jang and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Sum frequency generation (SFG) vibrational spectroscopy has been established as one of the most essential tools to investigate chemistry of the surfaces and interfaces for several decades. Orientation, structure, and chemical reaction of molecules at the interfaces have been examined by using temporally and spatially resolved SFG. As a unique method to observe the chemistry at the interfaces, SFG has a great potential for further developments. In this dissertation, the possibility of extending the SFG field is gauged, including the introduction of detailed theory and formulation of SFG. Firstly, the principle of sum frequency vibrational depletion spectroscopy (SVDS) technique is presented. Newly developed SVDS has been established for observing vibrational behaviors of molecules on the surface with high spatial resolution below the diffraction limit. This technique is accomplished by depletion of the ground state molecules around the center of probing focal spot on the surface. High energy density IR generated is employed to deplete the ground state molecules to its first vibrational excited state. Then, SFG technique has been conducted to measure the vibrational dipoles of the surface molecules from the confined probing area. The instrumentation, theoretical simulation, depletion efficiency and the preliminary experimental results of this technique is reported. In the following chapter, SFG from acetonitrile on rutile TiO2 (110) surface has been measured using distinct polarization combinations and compared to the spectra obtained by polarization mapping and null angle methods. By varying the polarization combinations of SFG, the magnitude and shape of the spectra undergo substantial change, originating from the interference between the non-resonant signal inherent from the rutile substrate and the resonant signal from the adsorbed molecules. Theory, simulation, and analytical methods for obtaining quantitative orientation information in the presence of non-resonant signal of the adsorbed molecules on a semiconductor are presented. In the last chapter, a refined analytical procedure for SFG imaging microscope (SFGIM) is discussed. In order to determine the surface properties, the images need to be fitted using an SFG model equation which contains the physical properties relevant to interpret the surface. Experimental results obtained from SFGIM analysis of binary system of self-assembled monolayers on gold surface have been reported.
Book Synopsis Characterization of Solid Materials and Heterogeneous Catalysts by : Michel Che
Download or read book Characterization of Solid Materials and Heterogeneous Catalysts written by Michel Che and published by John Wiley & Sons. This book was released on 2012-04-16 with total page 1313 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume book provides an overview of physical techniques used to characterize the structure of solid materials, on the one hand, and to investigate the reactivity of their surface, on the other. Therefore this book is a must-have for anyone working in fields related to surface reactivity. Among the latter, and because of its most important industrial impact, catalysis has been used as the directing thread of the book. After the preface and a general introduction to physical techniques by M. Che and J.C. Vedrine, two overviews on physical techniques are presented by G. Ertl and Sir J.M. Thomas for investigating model catalysts and porous catalysts, respectively. The book is organized into four parts: Molecular/Local Spectroscopies, Macroscopic Techniques, Characterization of the Fluid Phase (Gas and/ or Liquid), and Advanced Characterization. Each chapter focuses upon the following important themes: overview of the technique, most important parameters to interpret the experimental data, practical details, applications of the technique, particularly during chemical processes, with its advantages and disadvantages, conclusions.
Book Synopsis Springer Handbook of Advanced Catalyst Characterization by : Israel E. Wachs
Download or read book Springer Handbook of Advanced Catalyst Characterization written by Israel E. Wachs and published by Springer Nature. This book was released on 2023-06-12 with total page 1109 pages. Available in PDF, EPUB and Kindle. Book excerpt: Co-edited by world-renowned scientists in the field of catalysis, this book contains the cutting-edge in situ and operando spectroscopy characterization techniques operating under reaction conditions to determine a materials’ bulk, surface, and solution complex and their applications in the field of catalysis with emphasis on solid catalysts in powder form since such catalyst are relevant for industrial applications. The handbook covers from widely-used to cutting-edge techniques. The handbook is written for a broad audience of students and professionals who want to pursue the full capabilities available by the current state-of-the-art in characterization to fully understand how their catalysts really operate and guide the rational design of advanced catalysts. Individuals involved in catalysis research will be interested in this handbook because it contains a catalogue of cutting-edge methods employed in characterization of catalysts. These techniques find wide use in applications such as petroleum refining, chemical manufacture, natural gas conversion, pollution control, transportation, power generation, pharmaceuticals and food processing. fdsfds
Book Synopsis Nanoscale Characterization of Heteropolyacid Self-Assembled Monolayers (SAMS) By Scanning Tunneling Microscopy (STM) and Tunneling Spectroscopy (TS) : / by : Mark A. Barteau
Download or read book Nanoscale Characterization of Heteropolyacid Self-Assembled Monolayers (SAMS) By Scanning Tunneling Microscopy (STM) and Tunneling Spectroscopy (TS) : / written by Mark A. Barteau and published by . This book was released on 2001 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dekker Encyclopedia of Nanoscience and Nanotechnology by : James A. Schwarz
Download or read book Dekker Encyclopedia of Nanoscience and Nanotechnology written by James A. Schwarz and published by CRC Press. This book was released on 2004 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Vincent S. Smentkowski Publisher :Springer Science & Business Media ISBN 13 :3319013602 Total Pages :333 pages Book Rating :4.3/5 (19 download)
Book Synopsis Surface Analysis and Techniques in Biology by : Vincent S. Smentkowski
Download or read book Surface Analysis and Techniques in Biology written by Vincent S. Smentkowski and published by Springer Science & Business Media. This book was released on 2014-03-18 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the main surface analysis techniques that are being used to study biological specimens/systems. The compilation of chapters in this book highlight the benefits that surface analysis provides. The outer layer of bulk solid or liquid samples is referred to as the surface of the sample/material. At the surface, the composition, microstructure, phase, chemical bonding, electronic states, and/or texture is often different than that of the bulk material. The outer surface is where many material interactions/reactions take place. This is especially true biomaterials which may be fabricated into bio-devices and in turn implanted into tissues and organs. Surfaces of biomaterials (synthetic or modified natural materials) are of critical importance since the surface is typically the only part of the biomaterial/bio-device that comes in contact with the biological system. Analytical techniques are required to characterize the surface of biomaterials and quantify their impact in real-world biological systems. Surface analysis of biological materials started in the 1960’s and the number of researchers working in this area have increased very rapidly since then, a number of advances have been made to standard surface analytical instrumentation, and a number of new instruments have been introduced.
Book Synopsis Characterization of Self-assembled Monolayers for Use as a Matrix in Laser Desorption Ionization by : Kevin L. Francis
Download or read book Characterization of Self-assembled Monolayers for Use as a Matrix in Laser Desorption Ionization written by Kevin L. Francis and published by . This book was released on 2007 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biomaterials Science by : William R Wagner
Download or read book Biomaterials Science written by William R Wagner and published by Academic Press. This book was released on 2020-05-23 with total page 1612 pages. Available in PDF, EPUB and Kindle. Book excerpt: The revised edition of the renowned and bestselling title is the most comprehensive single text on all aspects of biomaterials science from principles to applications. Biomaterials Science, fourth edition, provides a balanced, insightful approach to both the learning of the science and technology of biomaterials and acts as the key reference for practitioners who are involved in the applications of materials in medicine.This new edition incorporates key updates to reflect the latest relevant research in the field, particularly in the applications section, which includes the latest in topics such as nanotechnology, robotic implantation, and biomaterials utilized in cancer research detection and therapy. Other additions include regenerative engineering, 3D printing, personalized medicine and organs on a chip. Translation from the lab to commercial products is emphasized with new content dedicated to medical device development, global issues related to translation, and issues of quality assurance and reimbursement. In response to customer feedback, the new edition also features consolidation of redundant material to ensure clarity and focus. Biomaterials Science, 4th edition is an important update to the best-selling text, vital to the biomaterials’ community. The most comprehensive coverage of principles and applications of all classes of biomaterials Edited and contributed by the best-known figures in the biomaterials field today; fully endorsed and supported by the Society for Biomaterials Fully revised and updated to address issues of translation, nanotechnology, additive manufacturing, organs on chip, precision medicine and much more. Online chapter exercises available for most chapters
Book Synopsis Nano-Structures for Optics and Photonics by : Baldassare Di Bartolo
Download or read book Nano-Structures for Optics and Photonics written by Baldassare Di Bartolo and published by Springer. This book was released on 2014-10-06 with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt: The contributions in this volume were presented at a NATO Advanced Study Institute held in Erice, Italy, 4-19 July 2013. Many aspects of important research into nanophotonics, plasmonics, semiconductor materials and devices, instrumentation for bio sensing to name just a few, are covered in depth in this volume. The growing connection between optics and electronics, due to the increasing important role plaid by semiconductor materials and devices, find their expression in the term photonics, which also reflects the importance of the photon aspect of light in the description of the performance of several optical systems. Nano-structures have unique capabilities that allow the enhanced performance of processes of interest in optical and photonic devices. In particular these structures permit the nanoscale manipulation of photons, electrons and atoms; they represent a very hot topic of research and are relevant to many devices and applications. The various subjects bridge over the disciplines of physics, biology and chemistry, making this volume of interest to people working in these fields. The emphasis is on the principles behind each technique and on examining the full potential of each technique.
Book Synopsis The Handbook of Surface Imaging and Visualization by : Arthur T. Hubbard
Download or read book The Handbook of Surface Imaging and Visualization written by Arthur T. Hubbard and published by CRC Press. This book was released on 2022-04-13 with total page 928 pages. Available in PDF, EPUB and Kindle. Book excerpt: This exciting new handbook investigates the characterization of surfaces. It emphasizes experimental techniques for imaging of solid surfaces and theoretical strategies for visualization of surfaces, areas in which rapid progress is currently being made. This comprehensive, unique volume is the ideal reference for researchers needing quick access to the latest developments in the field and an excellent introduction to students who want to acquaint themselves with the behavior of electrons, atoms, molecules, and thin-films at surfaces. It's all here, under one cover! The Handbook of Surface Imaging and Visualization is filled with sixty-four of the most powerful techniques for characterization of surfaces and interfaces in the material sciences, medicine, biology, geology, chemistry, and physics. Each discussion is easy to understand, succinct, yet incredibly informative. Data illustrate present research in each area of study. A wide variety of the latest experimental and theoretical approaches are included with both practical and fundamental objectives in mind. Key references are included for the reader's convenience for locating the most recent and useful work on each topic. Readers are encouraged to contact the authors or consult the references for additional information. This is the best ready reference available today. It is a perfect source book or supplemental text on the subject.
Book Synopsis Silicone Surface Science by : Michael J. Owen
Download or read book Silicone Surface Science written by Michael J. Owen and published by Springer Science & Business Media. This book was released on 2012-05-22 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: Silicone Surface Science offers a survey of the major topics concerning the properties and behavior of silicone surfaces. It covers all main aspects of the subject, including: polydimethylsiloxane, spread monolayers, self-assembled monolayers, hydrophobicity and super-hydrophobicity, coupling agents, surfactants, fluorosilicones, surface treatments and surface analysis. This book brings together the field's leading experts who investigated both fundamental and applied aspects of silicone surface science and technology, and introduces the reader to the origins and historical development of silicone surfaces as well as to their most significant current key features. Silicone Surface Science is an invaluable guide and indispensable reference source for all those interested in this important area of polymer and materials science and technology, from graduate students to experienced scientists alike.
Book Synopsis Characterization of Self-assembled Monolayers Using the Ion-surface Reactivity of Organic Projectile Ions by : Rebecca Lynne Franklin
Download or read book Characterization of Self-assembled Monolayers Using the Ion-surface Reactivity of Organic Projectile Ions written by Rebecca Lynne Franklin and published by . This book was released on 1995 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surfactants in Tribology by : Girma Biresaw
Download or read book Surfactants in Tribology written by Girma Biresaw and published by CRC Press. This book was released on 2014-11-21 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface science and tribology play very critical roles in many industries. Manufacture and use of almost all consumer and industrial products rely on the application of advanced surface and tribological knowledge. The fourth in a series, Surfactants in Tribology, Volume 4 provides an update on research and development activities connecting surfactants and tribological phenomena. Written by renowned subject matter experts, the book demonstrates how improved design of surfactants can be harnessed to control tribological phenomena. Profusely illustrated and copiously referenced, the chapters also discuss novel approaches to control tribological phenomena using surfactants including green surfactants. It also discusses the underlying tribological and surface science issues relevant to many situations in diverse industries. The information in this volume provides a cutting-edge reference connecting the fields of surfactants and tribology as a way forward to novel, enhanced methods of controlling lubrication, friction, and wear. It reflects the latest developments, highlighting the relevance of surfactants in tribological phenomena in a broad range of industries. As we learn more about the connection between surfactants and tribology, new and improved ways to control lubrication, friction, and wear utilizing surfactants will emerge. This book takes us farther on the path towards this goal.
Book Synopsis Microtribological Characterization of Self Assembled and Langmuir-Blodgett Monolayers by Atomic and Friction Force Microscopy by :
Download or read book Microtribological Characterization of Self Assembled and Langmuir-Blodgett Monolayers by Atomic and Friction Force Microscopy written by and published by . This book was released on 1994 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organized and dense monolayers were produced by chemical grafting of molecules and by Langmuir Blodgett (L-B) deposition. Friction, wear and indentation of these films on a microscale have been studied using atomic force microscopy friction force microscopy (AFM/FFM). For comparison, macroscale friction and wear measurements have also been made. Mechanisms of friction, wear and lubrication of chemical grafted and L-B films are discussed. These studies show that coefficient of friction, wear resistance, and nanoindentation properties of C18 double grafted films are superior to L-B films. It is concluded that chemical grafted films may be suitable for lubrication of microcomponents.
Book Synopsis Advanced Analytical Methods in Tribology by : Martin Dienwiebel
Download or read book Advanced Analytical Methods in Tribology written by Martin Dienwiebel and published by Springer. This book was released on 2018-10-04 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the basics and methods of nanoscale analytical techniques for tribology field. It gives guidance to the application of mechanical, microstructural, chemical characterization methods and topography analysis of materials. It provides an overview of the of state-of-the-art for researchers and practitioners in the field of tribology. It shows different examples to the application of mechanical, microstructural, chemical characterization methods and topography analysis of materials. Friction and Wear phenomena are governed by complexe processes at the interface of sliding surfaces. For a detailed understanding of these phenomena many surface sensitive techniques have become available in recent years. The applied methods are atom probe tomography, in situ TEM, SERS, NEXAFS, in situ XPS, nanoindentation and in situ Raman spectroscopy. A survey of new related numerical calculations completes this book. This concerns ab-initio coupling, numerical calculations for mechanical aspects and density functional theory (DFT) to study chemical reactivity.
