Method Development for Scanning Electrochemical Microscopy and Its Application for Material Characterization

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (119 download)

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Book Synopsis Method Development for Scanning Electrochemical Microscopy and Its Application for Material Characterization by : Christian Iffelsberger

Download or read book Method Development for Scanning Electrochemical Microscopy and Its Application for Material Characterization written by Christian Iffelsberger and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scanning Electrochemical Microscopy

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Publisher : CRC Press
ISBN 13 : 9780203910771
Total Pages : 668 pages
Book Rating : 4.9/5 (17 download)

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Book Synopsis Scanning Electrochemical Microscopy by : Allen J. Bard

Download or read book Scanning Electrochemical Microscopy written by Allen J. Bard and published by CRC Press. This book was released on 2001-04-18 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning Electrochemical Microscopy describes the theory and operating principles of scanning electrochemical microscopy (SECM), including instrumentation, tip preparation, imaging techniques and potentiometric probes. The book explores applications relevant to electron transfer reactions, reaction kinetics, chemical events at interfaces, biologica

Scanning Electrochemical Microscopy

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Publisher : CRC Press
ISBN 13 : 1000584062
Total Pages : 1260 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Scanning Electrochemical Microscopy by : Allen J. Bard

Download or read book Scanning Electrochemical Microscopy written by Allen J. Bard and published by CRC Press. This book was released on 2022-07-29 with total page 1260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of its simplicity of use and quantitative results, Scanning Electrochemical Microscopy (SECM) has become an indispensable tool for the study of surface reactivity. The fast expansion of the SECM field over several years has been fueled by the introduction of new probes, commercially available instrumentation, and new practical applications. Scanning Electrochemical Microscopy, Third Edition offers essential background and in-depth overviews of specific applications in self-contained chapters. The vitality and growing popularity of SECM over the past 30+ years have largely been determined by its versatility and capability to remain useful in the changing scientific and technological environments. New applications reported during the last decade reflect significant current activity in biomedical and energy-related research. This thoroughly updated edition provides up-to-date comprehensive reviews of different aspects of SECM. New chapters by renowned professionals in the field cover recent advances in different areas of SECM including nanoSECM, surface reactions and films, batteries, and fuel cells. Expanded coverage of electrocatalysis and surface interrogation as well as photoelectrochemistry and photoelectrocatalysis are also provided. Useful for a broad range of interdisciplinary research—from biological systems to nanopatterning—this book is invaluable to all interested in learning and applying SECM.

Materials and Process Characterization

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Publisher : Academic Press
ISBN 13 : 1483217736
Total Pages : 614 pages
Book Rating : 4.4/5 (832 download)

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Book Synopsis Materials and Process Characterization by : Norman G. Einspruch

Download or read book Materials and Process Characterization written by Norman G. Einspruch and published by Academic Press. This book was released on 2014-12-01 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: VLSI Electronics: Microstructure Science, Volume 6: Materials and Process Characterization addresses the problem of how to apply a broad range of sophisticated materials characterization tools to materials and processes used for development and production of very large scale integration (VLSI) electronics. This book discusses the various characterization techniques, such as Auger spectroscopy, secondary ion mass spectroscopy, X-ray topography, transmission electron microscopy, and spreading resistance. The systematic approach to the technologies of VLSI electronic materials and device manufacture are also considered. This volume is beneficial to materials scientists, chemists, and engineers who are commissioned with the responsibility of developing and implementing the production of materials and devices to support the VLSI era.

Development and Application of an Experimental Concept for Surface Characterization of Semiconductor Based Substrates Using Scanning Electrochemical Microscopy

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)

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Book Synopsis Development and Application of an Experimental Concept for Surface Characterization of Semiconductor Based Substrates Using Scanning Electrochemical Microscopy by : Patrick Hanekamp

Download or read book Development and Application of an Experimental Concept for Surface Characterization of Semiconductor Based Substrates Using Scanning Electrochemical Microscopy written by Patrick Hanekamp and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Development of Micro-and Nano-scanning Electrochemical Microscopy Probes for Perspective Applications in Lithium Ion Batteries

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (979 download)

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Book Synopsis Development of Micro-and Nano-scanning Electrochemical Microscopy Probes for Perspective Applications in Lithium Ion Batteries by : Laurence Danis

Download or read book Development of Micro-and Nano-scanning Electrochemical Microscopy Probes for Perspective Applications in Lithium Ion Batteries written by Laurence Danis and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Lithium ion batteries (LIBs) have become a common power source for most portable home electronic devices including cellular phones, computers, tablets, power tools, and, recently, electric vehicles. Despite their success, the commercial market demands portable energy storage which offers more charge/discharge cycles, shorter recharge times, and higher power densities. Therefore, LIB materials research aims to improve key electrochemical properties. The cubic spinel lithium manganese oxide (LixMn2O4) is an alternative to LiCoO2 and is one of the most investigated positive electrode materials for LIBs. LixMn2O4 is of particular interest due to its advantageous electrochemical performance at room temperature (i.e. high capacity and stable operating voltage), significant natural abundance, low cost, and low toxicity. Regardless of these advantages, LixMn2O4 experiences a fast capacity fade with charge/discharge cycling and poor storage performance, particularly at elevated temperatures. This hinders its widespread commercial use, especially for large-scale automotive applications. This capacity-fading phenomenon is believed to be due to numerous factors, such as the Jahn-Teller distortion, the decomposition of electrolyte solution on the negative electrode, and the dissolution of Mn2+ from the positive electrode into the electrolyte. Most research groups agree that dissolution of Mn2+ cations is the leading mechanisms for the decreased capacity and is primarily caused by the hydrogen fluoride (HF) contained in the electrolyte.In-depth understanding of the mechanism of Mn dissolution could provide insights for new methods to inhibit the dissolution pathway. However, standard manganese detection techniques are performed ex-situ, post cell disassembly and have potential risk of data alterations due to air sensitivity of these materials, creating a need for in-situ analysis techniques of battery materials. The presented dissertation investigates the use of scanning probe microscopy (SPM) analysis methods to provide localized information on the fundamental mechanisms, processes and degradation of LIBs. Herein, we present the step-by-step development of a high resolution scanning electrochemical microscopy (SECM) technique for the quantitative detection of Mn2+ cations. More precisely, we describe the development and characterization of Hg/Pt hemispherical micro- and nano- SECM probes used with anodic stripping voltammetry (ASV), for the quantitative detection of Mn2+ cations. We have successfully developed a simple, fast, and reproducible method for the fabrication of disk microelectrodes with controlled geometry. A second fabrication technique is presented for the production of well-defined Pt disk electrodes with the electroactive core in the nanometer scale. Both of these fabrication techniques produce electrodes that are are ideal backbones for the production of Hg-based hemispherical ASV sensors. Also presented is a systematic study of the shear force (SF) characteristics of these nanoelectrodes and a new methodology to identify SF sensitive frequencies. SF is used in SECM to maintain a constant tip-to-substrate distance for the deconvolution of the kinetic and topographic information received in SECM. The Hg/Pt hemispherical nanoelectrodes were used for the quantitative detection of manganese cations. The ASV technique has been used to evaluate the impact of using polymeric chelating macrocyles, such as crown ethers, as separator coatings. The coated separators would serve for the sequestration of Mn2+ cations, thus preventing their migration to negative electrodes, and therefore mitigating the undesirable consequences of manganese dissolution in LIBs. A transition from an aqueous environment to a more representative oxygen and water-free environment in propylene carbonate (PC) LiClO4, a typical a non-aqueous electrolyte for LIBs, has also been performed. " --

Microscopy Applied to Materials Sciences and Life Sciences

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Publisher : CRC Press
ISBN 13 : 1351251570
Total Pages : 502 pages
Book Rating : 4.3/5 (512 download)

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Book Synopsis Microscopy Applied to Materials Sciences and Life Sciences by : Ajay Vasudeo Rane

Download or read book Microscopy Applied to Materials Sciences and Life Sciences written by Ajay Vasudeo Rane and published by CRC Press. This book was released on 2018-11-21 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new volume, Microscopy Applied to Materials Sciences and Life Sciences. focuses on recent theoretical and practical advances in polymers and their blends, composites, and nanocompos¬ites related to their microscopic characterization. It highlights recent accomplishments and trends in the field of polymer nanocomposites and filled polymers related to microstructural characterization. This book gives an insight and better understanding into the development in microscopy as a tool for characterization. The book emphasizes recent research work in the field of microscopy in life sciences and materials sciences mainly related to its synthesis, characterizations, and applications. The book explains the application of microscopic techniques in life sciences and materials sciences, and their applications and state of current research carried out. The book aims to foster a better understanding of the properties of polymer composites by describing new techniques to measure microstructure property relationships and by utilizing techniques and expertise developed in the conventional filled polymer composites. Characterization techniques, particularly microstructural characterization, have proven to be extremely difficult because of the range of length-scales associated with these materials. Topics include: •Instrumentation and Techniques: advances in scanning probe microscopy, SEM, TEM, OM. 3D imaging and tomography, electron diffraction techniques and analytical microscopy, advances in sample preparation techniques in-situ microscopy, correlative microscopy in life and material sciences, low voltage electron microscopy. •Life Sciences: Structure and imaging of biomolecules, live cell imaging, neurobiology, organelles and cellular dynamics, multi-disciplinary approaches for medical and biological sciences, microscopic application in plants, microorganism and environmental science, super resolution microscopy in biological sciences. •Materials Sciences: materials for nanotechnology, metals alloys and inter-metallic, ceramics, composites, minerals and microscopy in cultural heritage, thin films, coatings, surfaces and interfaces, carbon based materials, polymers and soft materials and self-assembled materials, semiconductors and magnetic materials. Polymers and inorganic nanoparticles. The volume will be of significant interest to scientists working on the basic issues surrounding polymers, nanocomposites, and nanoparticulate-filled polymers, as well as those working in industry on applied problems, such as processing. Because of the multidisciplinary nature of this research, the book will be valuable to chemists, materials scientists, physicists, chemical engineers, and processing specialists who are involved and interested in the future frontiers of blends.

Handbook of Electrochemistry

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Publisher : Elsevier
ISBN 13 : 0444519580
Total Pages : 935 pages
Book Rating : 4.4/5 (445 download)

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Book Synopsis Handbook of Electrochemistry by : Cynthia G. Zoski

Download or read book Handbook of Electrochemistry written by Cynthia G. Zoski and published by Elsevier. This book was released on 2007-02-07 with total page 935 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrochemistry plays a key role in a broad range of research and applied areas including the exploration of new inorganic and organic compounds, biochemical and biological systems, corrosion, energy applications involving fuel cells and solar cells, and nanoscale investigations. The Handbook of Electrochemistry serves as a source of electrochemical information, providing details of experimental considerations, representative calculations, and illustrations of the possibilities available in electrochemical experimentation. The book is divided into five parts: Fundamentals, Laboratory Practical, Techniques, Applications, and Data. The first section covers the fundamentals of electrochemistry which are essential for everyone working in the field, presenting an overview of electrochemical conventions, terminology, fundamental equations, and electrochemical cells, experiments, literature, textbooks, and specialized books. Part 2 focuses on the different laboratory aspects of electrochemistry which is followed by a review of the various electrochemical techniques ranging from classical experiments to scanning electrochemical microscopy, electrogenerated chemiluminesence and spectroelectrochemistry. Applications of electrochemistry include electrode kinetic determinations, unique aspects of metal deposition, and electrochemistry in small places and at novel interfaces and these are detailed in Part 4. The remaining three chapters provide useful electrochemical data and information involving electrode potentials, diffusion coefficients, and methods used in measuring liquid junction potentials. * serves as a source of electrochemical information * includes useful electrochemical data and information involving electrode potentials, diffusion coefficients, and methods used in measuring liquid junction potentials * reviews electrochemical techniques (incl. scanning electrochemical microscopy, electrogenerated chemiluminesence and spectroelectrochemistry)

The Use of Electrochemical Scanning Tunnelling Microscopy (EC-STM) in Corrosion Analysis

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Publisher : Woodhead Publishing
ISBN 13 : 184569256X
Total Pages : 47 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis The Use of Electrochemical Scanning Tunnelling Microscopy (EC-STM) in Corrosion Analysis by : R Lindstrom

Download or read book The Use of Electrochemical Scanning Tunnelling Microscopy (EC-STM) in Corrosion Analysis written by R Lindstrom and published by Woodhead Publishing. This book was released on 2006-11-30 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: The European Federation of Corrosion’s Working Party on Surface Science and the Mechanisms of Corrosion and Protection (EFC WP6) has defined, as one of its objectives, the development of a reference material and reference guidelines for the application of electrochemical scanning tunnelling microscopy (EC-STM) in corrosion science. The use of EC-STM to study the relationship between surface structure and surface reactivity in situ on electrodes in contact with an electrolyte is of major importance in corrosion research. This report describes the reference material and procedural guidelines required to use this technique effectively. STM-users are instructed how to obtain high resolution data on a carefully prepared copper single-crystal surface. Describes the reference material and procedural guidelines required to use this technique effectively Discusses an area of major importance in corrosion research

Scanning Electrochemical Microscopy, Second Edition

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Publisher : CRC Press
ISBN 13 : 1439831122
Total Pages : 673 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Scanning Electrochemical Microscopy, Second Edition by : Allen J. Bard

Download or read book Scanning Electrochemical Microscopy, Second Edition written by Allen J. Bard and published by CRC Press. This book was released on 2012-04-16 with total page 673 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of its simplicity of use and quantitative results, Scanning Electrochemical Microscopy (SECM) has become an indispensable tool for the study of surface reactivity. The fast expansion of the SECM field during the last several years has been fueled by the introduction of new probes, commercially available instrumentation, and new practical applications. Scanning Electrochemical Microscopy, Second Edition offers essential background and in-depth overviews of specific applications in self-contained chapters. Recent methodological advances have greatly increased the capacity of SECM to characterize interfaces at the nanoscale and to obtain molecular-level chemical information. This thoroughly updated edition retains original chapters describing the principles of SECM measurements, instrumentation, preparation of SECM probes, imaging methodologies, and theory and offers: New chapters on studies of single biological cells, corrosion, electrocatalysis, and hybrid techniques Descriptions of recent advances of SECM in several areas of current interest: biotechnological applications, nanofabrication and surface patterning, and molecular transport across films and membranes Discussion of the ongoing shift from micrometer-scale experiments to the nanoscale Useful for a broad range of interdisciplinary research—from biological systems to probing reactions at the liquid–liquid interface—this book is invaluable to all interested in learning and applying SECM.

Scanning Electrochemical Microscopy

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Publisher : CRC Press
ISBN 13 : 1000584054
Total Pages : 619 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Scanning Electrochemical Microscopy by : Allen J. Bard

Download or read book Scanning Electrochemical Microscopy written by Allen J. Bard and published by CRC Press. This book was released on 2022-07-29 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of its simplicity of use and quantitative results, Scanning Electrochemical Microscopy (SECM) has become an indispensable tool for the study of surface reactivity. The fast expansion of the SECM field over several years has been fueled by the introduction of new probes, commercially available instrumentation, and new practical applications. Scanning Electrochemical Microscopy, Third Edition offers essential background and in-depth overviews of specific applications in self-contained chapters. The vitality and growing popularity of SECM over the past 30+ years have largely been determined by its versatility and capability to remain useful in the changing scientific and technological environments. New applications reported during the last decade reflect significant current activity in biomedical and energy-related research. This thoroughly updated edition provides up-to-date comprehensive reviews of different aspects of SECM. New chapters by renowned professionals in the field cover recent advances in different areas of SECM including nanoSECM, surface reactions and films, batteries, and fuel cells. Expanded coverage of electrocatalysis and surface interrogation as well as photoelectrochemistry and photoelectrocatalysis are also provided. Useful for a broad range of interdisciplinary research—from biological systems to nanopatterning—this book is invaluable to all interested in learning and applying SECM.

Scanning Transmission Electron Microscopy

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Publisher : CRC Press
ISBN 13 : 0429516169
Total Pages : 162 pages
Book Rating : 4.4/5 (295 download)

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Book Synopsis Scanning Transmission Electron Microscopy by : Alina Bruma

Download or read book Scanning Transmission Electron Microscopy written by Alina Bruma and published by CRC Press. This book was released on 2020-12-22 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning Transmission Electron Microscopy: Advanced Characterization Methods for Materials Science Applications The information comprised in this book is focused on discussing the latest approaches in the recording of high-fidelity quantitative annular dark-field (ADF) data. It showcases the application of machine learning in electron microscopy and the latest advancements in image processing and data interpretation for materials notoriously difficult to analyze using scanning transmission electron microscopy (STEM). It also highlights strategies to record and interpret large electron diffraction datasets for the analysis of nanostructures. This book: Discusses existing approaches for experimental design in the recording of high-fidelity quantitative ADF data Presents the most common types of scintillator-photomultiplier ADF detectors, along with their strengths and weaknesses. Proposes strategies to minimize the introduction of errors from these detectors and avenues for dealing with residual errors Discusses the practice of reliable multiframe imaging, along with the benefits and new experimental opportunities it presents in electron dose or dose-rate management Focuses on supervised and unsupervised machine learning for electron microscopy Discusses open data formats, community-driven software, and data repositories Proposes methods to process information at both global and local scales, and discusses avenues to improve the storage, transfer, analysis, and interpretation of multidimensional datasets Provides the spectrum of possibilities to study materials at the resolution limit by means of new developments in instrumentation Recommends methods for quantitative structural characterization of sensitive nanomaterials using electron diffraction techniques and describes strategies to collect electron diffraction patterns for such materials This book helps academics, researchers, and industry professionals in materials science, chemistry, physics, and related fields to understand and apply computer-science–derived analysis methods to solve problems regarding data analysis and interpretation of materials properties.

Scanning Probe Techniques for Materials Characterization at Nanometer Scale

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Author :
Publisher : The Electrochemical Society
ISBN 13 : 9781566773027
Total Pages : 224 pages
Book Rating : 4.7/5 (73 download)

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Book Synopsis Scanning Probe Techniques for Materials Characterization at Nanometer Scale by : Douglas C. Hansen

Download or read book Scanning Probe Techniques for Materials Characterization at Nanometer Scale written by Douglas C. Hansen and published by The Electrochemical Society. This book was released on 2001 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scanning Probe Microscopy: Characterization, Nanofabrication and Device Application of Functional Materials

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Publisher : Springer Science & Business Media
ISBN 13 : 9781402030185
Total Pages : 532 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Scanning Probe Microscopy: Characterization, Nanofabrication and Device Application of Functional Materials by : Paula M. Vilarinho

Download or read book Scanning Probe Microscopy: Characterization, Nanofabrication and Device Application of Functional Materials written by Paula M. Vilarinho and published by Springer Science & Business Media. This book was released on 2005-02-21 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the characteristic dimensions of electronic devices continue to shrink, the ability to characterize their electronic properties at the nanometer scale has come to be of outstanding importance. In this sense, Scanning Probe Microscopy (SPM) is becoming an indispensable tool, playing a key role in nanoscience and nanotechnology. SPM is opening new opportunities to measure semiconductor electronic properties with unprecedented spatial resolution. SPM is being successfully applied for nanoscale characterization of ferroelectric thin films. In the area of functional molecular materials it is being used as a probe to contact molecular structures in order to characterize their electrical properties, as a manipulator to assemble nanoparticles and nanotubes into simple devices, and as a tool to pattern molecular nanostructures. This book provides in-depth information on new and emerging applications of SPM to the field of materials science, namely in the areas of characterisation, device application and nanofabrication of functional materials. Starting with the general properties of functional materials the authors present an updated overview of the fundamentals of Scanning Probe Techniques and the application of SPM techniques to the characterization of specified functional materials such as piezoelectric and ferroelectric and to the fabrication of some nano electronic devices. Its uniqueness is in the combination of the fundamental nanoscale research with the progress in fabrication of realistic nanodevices. By bringing together the contribution of leading researchers from the materials science and SPM communities, relevant information is conveyed that allows researchers to learn more about the actual developments in SPM applied to functional materials. This book will contribute to the continuous education and development in the field of nanotechnology.

Visualizing Chemistry

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Publisher : National Academies Press
ISBN 13 : 030916463X
Total Pages : 222 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Visualizing Chemistry by : National Research Council

Download or read book Visualizing Chemistry written by National Research Council and published by National Academies Press. This book was released on 2006-06-01 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientists and engineers have long relied on the power of imaging techniques to help see objects invisible to the naked eye, and thus, to advance scientific knowledge. These experts are constantly pushing the limits of technology in pursuit of chemical imagingâ€"the ability to visualize molecular structures and chemical composition in time and space as actual events unfoldâ€"from the smallest dimension of a biological system to the widest expanse of a distant galaxy. Chemical imaging has a variety of applications for almost every facet of our daily lives, ranging from medical diagnosis and treatment to the study and design of material properties in new products. In addition to highlighting advances in chemical imaging that could have the greatest impact on critical problems in science and technology, Visualizing Chemistry reviews the current state of chemical imaging technology, identifies promising future developments and their applications, and suggests a research and educational agenda to enable breakthrough improvements.

Scanning Microscopy for Nanotechnology

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Publisher : Springer Science & Business Media
ISBN 13 : 0387396209
Total Pages : 533 pages
Book Rating : 4.3/5 (873 download)

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Book Synopsis Scanning Microscopy for Nanotechnology by : Weilie Zhou

Download or read book Scanning Microscopy for Nanotechnology written by Weilie Zhou and published by Springer Science & Business Media. This book was released on 2007-03-09 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents scanning electron microscopy (SEM) fundamentals and applications for nanotechnology. It includes integrated fabrication techniques using the SEM, such as e-beam and FIB, and it covers in-situ nanomanipulation of materials. The book is written by international experts from the top nano-research groups that specialize in nanomaterials characterization. The book will appeal to nanomaterials researchers, and to SEM development specialists.

The Use of Scanning Electrochemical Microscopy for the Detection and Quantification of Adsorbed Intermediates at Electrodes

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Publisher :
ISBN 13 :
Total Pages : 466 pages
Book Rating : 4.:/5 (69 download)

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Book Synopsis The Use of Scanning Electrochemical Microscopy for the Detection and Quantification of Adsorbed Intermediates at Electrodes by : Joaquin Rodriguez Lopez

Download or read book The Use of Scanning Electrochemical Microscopy for the Detection and Quantification of Adsorbed Intermediates at Electrodes written by Joaquin Rodriguez Lopez and published by . This book was released on 2010 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning electrochemical microscopy (SECM) was used for the study and characterization of catalytic and electrocatalytic processes occurring at electrodes. The Surface Interrogation mode (SI-SECM) was introduced for the detection and quantification of adsorbed intermediates and products of catalyzed chemical and electrochemical reactions at noble metals (Pt, Au). In SI-SECM two micro electrodes (i.e. an SECM tip and a substrate of the desired material) are aligned concentrically at a micrometric distance where SECM feedback effects operate. A contrast mechanism based on feedback effects allows for the detection of reactive adsorbed intermediates at the substrate: the SECM tip generates a reactive homogeneous species that "micro-titrates" the substrate adsorbates to yield an electrochemical signal that contains information about the amount of intermediate and about its kinetics of reaction with the redox mediator. The technique was used for the study of the reactivity of three model small adsorbates: 1) the reactivity of adsorbed oxygen on Au and Pt with a reducing mediator was explored and suggested the detection of "incipient oxides" at these surfaces; kinetic parameters of the reactivity of Pt oxides with mediators were obtained, fit to theory and used to explain observations about the electrocatalytic behavior of Pt under anodizing conditions; 2) the reactivity of oxidizing mediators with adsorbed hydrogen on Pt was studied and showed the cation of N, N, N, N-tetramethyl-p-phenylenediamine (TMPD) to be a successful interrogation agent, the detection of hydrogen generated by the decomposition of formic acid on Pt at open circuit was investigated; 3) electrogenerated bromine was used to catalytically interrogate carbon monoxide at Pt, this reaction was previously unreported. The mentioned applications of SECM were validated through the use of digital simulations of diffusion in the complex SECM geometry through flexible commercial finite element method software.