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Author: Qiuhua Yuan
Publisher:
ISBN:
Category :
Languages : en
Pages : 150
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Book Description
The dissertation consists of the following three sections: (1) Hydroxyapatite (HA) coatings. In this work, we deposited HA precursor films from weak basic electrolytic solution (pH= 8-9) via an electrochemical approach; the deposits were changed into crystallite coatings of hydroxyapatite by sintering at specific temperatures (600-800°C). The formed coatings were mainly characterized by powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). XRD patterns show well-defined peaks of HA when sintered under vacuum conditions. FTIR measurements indicate the existence of hydroxyl groups, which were confirmed by the characteristic intensity of the stretching and bending bands at ∼3575 and ∼630 cm-1, respectively. The SEM shows an adhesive, crack free morphology for the double-layer coating surface of the samples sintered in a vacuum furnace. (2) Silver/polymer/clay nanocomposites. Silver nanoparticles were prepared in layered clay mineral (montmorillonite)/polymer (PVP: poly (vinyl pyrrolidone)) suspension by an electrochemical approach. The silver particles formed in the bulk suspension were stabilized by the PVP and partially exfoliated clay platelets, which acted as protective colloids to prevent coagulation of silver nanoparticles together. The synthesized silver nanoparticles/montmorillonite/PVP composite was characterized and identified by XRD, SEM, and TEM (transmission electron microscopy) measurements. (3) Ce-doped lead zirconate titanate (PZT) thin films. In this study, we fabricated cerium-doped PZT films (molar ratio of Zr/Ti:: 0.5:0.5) via cathodic electrodeposition on the indium tin oxide (ITO) coated glass substrate. In the preparation process, the PZT films were modified by adding a small amount of cerium dopants, which led to the formation of Ce-doped PZT films after sintering at high temperatures. The fabricated PZT films on the ITO coated glass substrate may be used as electro-optic devices in the industrial application.
Author: Qiuhua Yuan
Publisher:
ISBN:
Category :
Languages : en
Pages : 150
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Book Description
The dissertation consists of the following three sections: (1) Hydroxyapatite (HA) coatings. In this work, we deposited HA precursor films from weak basic electrolytic solution (pH= 8-9) via an electrochemical approach; the deposits were changed into crystallite coatings of hydroxyapatite by sintering at specific temperatures (600-800°C). The formed coatings were mainly characterized by powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). XRD patterns show well-defined peaks of HA when sintered under vacuum conditions. FTIR measurements indicate the existence of hydroxyl groups, which were confirmed by the characteristic intensity of the stretching and bending bands at ∼3575 and ∼630 cm-1, respectively. The SEM shows an adhesive, crack free morphology for the double-layer coating surface of the samples sintered in a vacuum furnace. (2) Silver/polymer/clay nanocomposites. Silver nanoparticles were prepared in layered clay mineral (montmorillonite)/polymer (PVP: poly (vinyl pyrrolidone)) suspension by an electrochemical approach. The silver particles formed in the bulk suspension were stabilized by the PVP and partially exfoliated clay platelets, which acted as protective colloids to prevent coagulation of silver nanoparticles together. The synthesized silver nanoparticles/montmorillonite/PVP composite was characterized and identified by XRD, SEM, and TEM (transmission electron microscopy) measurements. (3) Ce-doped lead zirconate titanate (PZT) thin films. In this study, we fabricated cerium-doped PZT films (molar ratio of Zr/Ti:: 0.5:0.5) via cathodic electrodeposition on the indium tin oxide (ITO) coated glass substrate. In the preparation process, the PZT films were modified by adding a small amount of cerium dopants, which led to the formation of Ce-doped PZT films after sintering at high temperatures. The fabricated PZT films on the ITO coated glass substrate may be used as electro-optic devices in the industrial application.
Author: Zoltan Nagy
Publisher: Springer Science & Business Media
ISBN: 1489905456
Category : Science
Languages : en
Pages : 485
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Book Description
Electrochemical synthesis of inorganic compounds is a relatively unknown field. The successful, large industrial processes, such as chlorine-caustic production, are well known, but the large number of other compounds that have been synthesized electrochemically are much less appreciated, even by electrochemists and inorganic chemists. The last comprehensive book on this subject was published in the 1930's and no modern review or summary of the whole field is in existence. But the field is in no way dormant, as attested by the large number of publications, undiminished throughout the years, describing new syntheses and improvements of old ones. Indeed, it can be expected that practical applications of electrochemical inor ganic syntheses will increase in the future as an increasing portion of our energy will be available in electrical form. Electrochemical processes have important advantages over chemical routes: often the selectivity of the reaction can be better controlled through the use of potential control at the electrode, and the creation of environmen tally harmful waste material can be avoided more easily since one is using the purest reagent - the electron. In addition to development of new synthetic routes, many old ones, which were found to be un economical in the past, are worth reexamining in light of the recent considerable advances in cell design principles, materials of construc tion, and electrode and separator materials, together with our im proved understanding of electrode reactions and electrocatalysis. It is in the hope of accelerating this process that this bibliography is published.
Author: Zoltan Nagy
Publisher: Springer
ISBN: 9781489905468
Category : Science
Languages : en
Pages : 474
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Book Description
Electrochemical synthesis of inorganic compounds is a relatively unknown field. The successful, large industrial processes, such as chlorine-caustic production, are well known, but the large number of other compounds that have been synthesized electrochemically are much less appreciated, even by electrochemists and inorganic chemists. The last comprehensive book on this subject was published in the 1930's and no modern review or summary of the whole field is in existence. But the field is in no way dormant, as attested by the large number of publications, undiminished throughout the years, describing new syntheses and improvements of old ones. Indeed, it can be expected that practical applications of electrochemical inor ganic syntheses will increase in the future as an increasing portion of our energy will be available in electrical form. Electrochemical processes have important advantages over chemical routes: often the selectivity of the reaction can be better controlled through the use of potential control at the electrode, and the creation of environmen tally harmful waste material can be avoided more easily since one is using the purest reagent - the electron. In addition to development of new synthetic routes, many old ones, which were found to be un economical in the past, are worth reexamining in light of the recent considerable advances in cell design principles, materials of construc tion, and electrode and separator materials, together with our im proved understanding of electrode reactions and electrocatalysis. It is in the hope of accelerating this process that this bibliography is published.
Author: Mirtat Bouroushian
Publisher: Springer Science & Business Media
ISBN: 3642039677
Category : Science
Languages : en
Pages : 365
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Book Description
The author provides a unified account of the electrochemical material science of metal chalcogenide (MCh) compounds and alloys with regard to their synthesis, processing and applications. Starting with the chemical fundamentals of the chalcogens and their major compounds, the initial part of the book includes a systematic description of the MCh solids on the basis of the Periodic Table in terms of their structures and key properties. This is followed by a general discussion on the electrochemistry of chalcogen species, and the principles underlying the electrochemical formation of inorganic compounds/alloys. The core of the book offers an insight into available experimental results and inferences regarding the electrochemical preparation and microstructural control of conventional and novel MCh structures. It also aims to survey their photoelectrochemistry, both from a material-oriented point of view and as connected to specific processes such as photocatalysis and solar energy conversion. Finally, the book illustrates the relevance of MCh materials to various applications of electrochemical interest such as (electro)catalysis in fuel cells, energy storage with intercalation electrodes, and ion sensing.
Author: Inamuddin
Publisher: Elsevier
ISBN: 0128219017
Category : Technology & Engineering
Languages : en
Pages : 300
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Book Description
Green Sustainable Process for Chemical and Environmental Engineering and Science: Green Inorganic Synthesis provides an in-depth review of the synthesis of inorganic materials utilizing green chemistry protocols. It summarizes the green synthesis methods used for the preparation, processing and development of inorganic materials. The methods for the synthesis of various inorganic materials includes microwaves, sonochemical, electrochemical, bioinspired, enzyme mediated, sol-gel, solid state, etc. It also includes green-solvents driven inorganic material synthesis using ionic liquids, supercritical fluids, plant-derived materials, and microorganisms. The content of this book provides useful information which may be used to inspire the readers to new synthetic routes for sustainable inorganic synthesis. This book brings together panels of highly-accomplished experts in the field of inorganic chemistry. It is a unique book, extremely well structured and essential resource for undergraduate, postgraduate students, faculty, R&D professionals, production chemists, environmental engineers, and industrial experts. Essential study guide for inorganic chemical synthesis Provides a broad overview of eco-friendly methods in inorganic synthesis Bestows the latest advances in inorganic synthetic protocols Provides key references and details in each synthesis technique/methods Outlines eco-friendly inorganic synthesis and chemical processes using microwave, sonochemical and solid-state techniques
Author: Cynthia G. Zoski
Publisher: Elsevier
ISBN: 0444519580
Category : Science
Languages : en
Pages : 935
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Book Description
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)
Author: Mahmood Aliofkhazraei
Publisher: Springer
ISBN: 9783319152653
Category : Science
Languages : en
Pages : 0
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Book Description
This edited book is devoted to different electrochemical aspects of nano materials. This comprehensive reference text is basically divided in 3 parts: electrochemical synthesis routes for nanosized materials, electrochemical properties of nano materials and electrochemical characterization methods for nanostructures. The Handbook is a reference work to chemists and materials scientists interested in the nano aspects of electrochemistry. The chapters are written by a number of international experts in the field and the content will assist members of both electrochemical and materials communities to keep abreast of developments in the field.
Author: Ewa Schab-Balcerzak
Publisher: BoD – Books on Demand
ISBN: 9533076933
Category : Science
Languages : en
Pages : 230
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Book Description
In recent years, great focus has been placed upon polymer thin films. These polymer thin films are important in many technological applications, ranging from coatings and adhesives to organic electronic devices, including sensors and detectors. Electrochemical polymerization is preferable, especially if the polymeric product is intended for use as polymer thin films, because electrogeneration allows fine control over the film thickness, an important parameter for fabrication of devices. Moreover, it was demonstrated that it is possible to modify the material properties by parameter control of the electrodeposition process. Electrochemistry is an excellent tool, not only for synthesis, but also for characterization and application of various types of materials. This book provides a timely overview of a current state of knowledge regarding the use of electropolymerization for new materials preparation, including conducting polymers and various possibilities of applications.
Author: Ruren Xu
Publisher: Elsevier
ISBN: 0444635955
Category : Science
Languages : en
Pages : 810
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Book Description
Modern Inorganic Synthetic Chemistry, Second Edition captures, in five distinct sections, the latest advancements in inorganic synthetic chemistry, providing materials chemists, chemical engineers, and materials scientists with a valuable reference source to help them advance their research efforts and achieve breakthroughs. Section one includes six chapters centering on synthetic chemistry under specific conditions, such as high-temperature, low-temperature and cryogenic, hydrothermal and solvothermal, high-pressure, photochemical and fusion conditions. Section two focuses on the synthesis and related chemistry problems of highly distinct categories of inorganic compounds, including superheavy elements, coordination compounds and coordination polymers, cluster compounds, organometallic compounds, inorganic polymers, and nonstoichiometric compounds. Section three elaborates on the synthetic chemistry of five important classes of inorganic functional materials, namely, ordered porous materials, carbon materials, advanced ceramic materials, host-guest materials, and hierarchically structured materials. Section four consists of four chapters where the synthesis of functional inorganic aggregates is discussed, giving special attention to the growth of single crystals, assembly of nanomaterials, and preparation of amorphous materials and membranes. The new edition’s biggest highlight is Section five where the frontier in inorganic synthetic chemistry is reviewed by focusing on biomimetic synthesis and rationally designed synthesis. Focuses on the chemistry of inorganic synthesis, assembly, and organization of wide-ranging inorganic systems Covers all major methodologies of inorganic synthesis Provides state-of-the-art synthetic methods Includes real examples in the organization of complex inorganic functional materials Contains more than 4000 references that are all highly reflective of the latest advancement in inorganic synthetic chemistry Presents a comprehensive coverage of the key issues involved in modern inorganic synthetic chemistry as written by experts in the field
Author: Roel van de Krol
Publisher: Springer Science & Business Media
ISBN: 146141380X
Category : Technology & Engineering
Languages : en
Pages : 322
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Book Description
Photoelectrochemical Hydrogen Production describes the principles and materials challenges for the conversion of sunlight into hydrogen through water splitting at a semiconducting electrode. Readers will find an analysis of the solid state properties and materials requirements for semiconducting photo-electrodes, a detailed description of the semiconductor/electrolyte interface, in addition to the photo-electrochemical (PEC) cell. Experimental techniques to investigate both materials and PEC device performance are outlined, followed by an overview of the current state-of-the-art in PEC materials and devices, and combinatorial approaches towards the development of new materials. Finally, the economic and business perspectives of PEC devices are discussed, and promising future directions indicated. Photoelectrochemical Hydrogen Production is a one-stop resource for scientists, students and R&D practitioners starting in this field, providing both the theoretical background as well as useful practical information on photoelectrochemical measurement techniques. Experts in the field benefit from the chapters on current state-of-the-art materials/devices and future directions.
