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Nanostructured Anodic Metal Oxides

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Nanostructured Anodic Metal Oxides

Nanostructured Anodic Metal Oxides Book
Author : Grzegorz D. Sulka
Publisher : Elsevier
Release : 2020-03-27
ISBN : 0128168773
Language : En, Es, Fr & De

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Book Description :

Nanostructured Anodic Metal Oxides: Synthesis and Applications reviews the current status of fabrication strategies that have been successfully developed to generate nanoporous, nanotubular and nanofibrous anodic oxides on a range of metals. The most recent achievements and innovative strategies for the synthesis of nanoporous aluminum oxide and nanotubular titanium oxide are discussed. However, a special emphasis is placed on the possibility of fabrication of nanostructured oxide layers with different morphologies on other metals, including aluminum titanium, tantalum, tin, zinc, zirconium and copper. In addition, emerging biomedical applications of synthesized materials are discussed in detail. During the past decade, great progress has been made both in the preparation and characterization of various nanomaterials and their functional applications. The anodization of metals has proven to be reliable for the synthesis of nanoporous, nanotubular and nanofibrous metal oxides to produce a desired diameter, density, aspect ratio (length to diameter) of pores/tubes, and internal pore/tube structure. Provides an in-depth overview of anodization techniques for a range of metals Explores the emerging applications of anodic metal oxides Explains mechanisms of formation valve metal oxides via anodization

Nanostructured Anodic Metal Oxides

Nanostructured Anodic Metal Oxides Book
Author : Grzegorz D Sulka
Publisher : Micro and Nano Technologies
Release : 2020-03
ISBN : 0128167068
Language : En, Es, Fr & De

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Book Description :

Nanostructured Anodic Metal Oxides: Synthesis and Applications reviews the current status of fabrication strategies that have been successfully developed to generate nanoporous, nanotubular and nanofibrous anodic oxides on a range of metals. The most recent achievements and innovative strategies for the synthesis of nanoporous aluminum oxide and nanotubular titanium oxide are discussed. However, a special emphasis is placed on the possibility of fabrication of nanostructured oxide layers with different morphologies on other metals, including aluminum titanium, tantalum, tin, zinc, zirconium and copper. In addition, emerging biomedical applications of synthesized materials are discussed in detail. During the past decade, great progress has been made both in the preparation and characterization of various nanomaterials and their functional applications. The anodization of metals has proven to be reliable for the synthesis of nanoporous, nanotubular and nanofibrous metal oxides to produce a desired diameter, density, aspect ratio (length to diameter) of pores/tubes, and internal pore/tube structure.

1 Dimensional Metal Oxide Nanostructures

1 Dimensional Metal Oxide Nanostructures Book
Author : Zainovia Lockman
Publisher : CRC Press
Release : 2018-12-07
ISBN : 1351266713
Language : En, Es, Fr & De

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Book Description :

1-D metal oxide nanostructures, especially those with semiconducting properties, have attracted much attention in recent years due to their potential and emerging applications, specifically in environment purification and energy devices. For these applications, there have been many efforts to grow 1-D nanostructures in the form of nanotubes, nanorods, and nanowires using processes that conserve energy, are cost effective, and can be scaled up for large-scale production. 1-Dimensional Metal Oxide Nanostructures gathers under one title the most recent development of oxide nanomaterials, especially those fabricated via oxidation process in the nanoscale field. Thermal and anodic oxidation processes are reviewed with an aim to offer an in-depth understanding of mechanisms of 1-D nanostructure formation, their characteristics, and limitations. Other more common methods are also discussed, including sol-gel, hydrothermal, and other templated methods. Important applications of 1-D nanostructures are then presented, focusing on oxides like zinc oxide, titanium oxide, zirconium oxide, copper oxide, and iron oxide. A chapter on carbon nanotubes hybrid with these oxides is also included as well as one on silicon oxide nanowires formation by local anodic oxidation process. Aimed at researchers, academics, and engineers working across the fields of nanotechnology, materials science, chemistry, physics, semiconductors, and environmental and biomedical engineering, this essential reference enables readers to grasp the main concepts of nanomaterials in 1-D: formation technique, characteristics, and uses. It also encourages practical innovations in nanotechnology, especially in curbing pressing global issues related to energy, environment, and security.

Heterogeneous Catalysts

Heterogeneous Catalysts Book
Author : Wey Yang Teoh,Atsushi Urakawa,Yun Hau Ng,Patrick Sit
Publisher : John Wiley & Sons
Release : 2021-06-08
ISBN : 3527344152
Language : En, Es, Fr & De

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Book Description :

Presents state-of-the-art knowledge of heterogeneous catalysts including new applications in energy and environmental fields This book focuses on emerging techniques in heterogeneous catalysis, from new methodology for catalysts design and synthesis, surface studies and operando spectroscopies, ab initio techniques, to critical catalytic systems as relevant to energy and the environment. It provides the vision of addressing the foreseeable knowledge gap unfilled by classical knowledge in the field. Heterogeneous Catalysts: Advanced Design, Characterization and Applications begins with an overview on the evolution in catalysts synthesis and introduces readers to facets engineering on catalysts; electrochemical synthesis of nanostructured catalytic thin films; and bandgap engineering of semiconductor photocatalysts. Next, it examines how we are gaining a more precise understanding of catalytic events and materials under working conditions. It covers bridging pressure gap in surface catalytic studies; tomography in catalysts design; and resolving catalyst performance at nanoscale via fluorescence microscopy. Quantum approaches to predicting molecular reactions on catalytic surfaces follows that, along with chapters on Density Functional Theory in heterogeneous catalysis; first principles simulation of electrified interfaces in electrochemistry; and high-throughput computational design of novel catalytic materials. The book also discusses embracing the energy and environmental challenges of the 21st century through heterogeneous catalysis and much more. Presents recent developments in heterogeneous catalysis with emphasis on new fundamentals and emerging techniques Offers a comprehensive look at the important aspects of heterogeneous catalysis Provides an applications-oriented, bottoms-up approach to a high-interest subject that plays a vital role in industry and is widely applied in areas related to energy and environment Heterogeneous Catalysts: Advanced Design, Characterization and Applications is an important book for catalytic chemists, materials scientists, surface chemists, physical chemists, inorganic chemists, chemical engineers, and other professionals working in the chemical industry.

Nanostructured Materials in Electrochemistry

Nanostructured Materials in Electrochemistry Book
Author : Ali Eftekhari
Publisher : John Wiley & Sons
Release : 2008-06-25
ISBN : 3527621512
Language : En, Es, Fr & De

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Book Description :

Providing the unique and vital link between the worlds of electrochemistry and nanomaterials, this reference and handbook covers advances in electrochemistry through the nanoscale control of electrode structures, as well as advances in nanotechnology through electrochemical synthesis strategies. It demonstrates how electrochemical methods are of great scientific and commercial interest due to their low cost and high efficiency, and includes the synthesis of nanowires, nanoparticles, nanoporous and layered nanomaterials of various compositions, as well as their applications -- ranging from superior electrode materials to energy storage, biosensors, and electroanalytical devices.

Electroplating of Nanostructures

Electroplating of Nanostructures Book
Author : Mahmood Aliofkhazraei
Publisher : BoD – Books on Demand
Release : 2015-12-02
ISBN : 9535122134
Language : En, Es, Fr & De

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Book Description :

The electroplating was widely used to electrodeposit the nanostructures because of its relatively low deposition temperature, low cost and controlling the thickness of the coatings. With advances in electronics and microprocessor, the amount and form of the electrodeposition current applied can be controlled. The pulse electrodeposition has the interesting advantages such as higher current density application, higher efficiency and more variable parameters compared to direct current density. This book collects new developments about electroplating and its use in nanotechnology.

Journal of Nano Research Vol 65

Journal of Nano Research Vol  65 Book
Author : Efstathios I. Meletis
Publisher : Trans Tech Publications Ltd
Release : 2020-12-14
ISBN : 3035735832
Language : En, Es, Fr & De

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Book Description :

This volume includes papers which are dedicated to studying the electrochemical properties and structural properties of nanoarrays and thin films. The study on the synthesis of thin films via the ash-gel method is presented. The application of various types of nanorods as gas sensors in biomedicine are shown. Moreover, several papers are devoted to studying nanocomposites' structural properties. Additionally, this volume is dedicated to surface modification methods used to improve steels' surface properties. This volume's target audience includes students, postgraduates in material science, scientists in the area of nanomaterials and thin films. The results can be used for better product manufacture in different areas.

Nanostructures in Energy Generation Transmission and Storage

Nanostructures in Energy Generation  Transmission and Storage Book
Author : Yanina Fedorenko
Publisher : BoD – Books on Demand
Release : 2019-03-20
ISBN : 1789857392
Language : En, Es, Fr & De

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Book Description :

Today, clean natural resources, global warming, energy production, transmission and storage are the most widely discussed topics and main directions of scientific research. This book presents a collection of research contributions addressing recent achievements in nanoscience to mitigate societal challenges of environmental pollution and energy shortage. The environmental control, forensics and virtually any industry rely on the newest advances in nanoscience and sustainable technologies. Nanostructured materials explored in ultrasensitive sensors aid in global environmental monitoring, medical diagnostics and energy conversion applications. Global energy resources - solar energy, hydrogen generation and the oceans - are being effectively explored owing to the discovery of new materials for photo- and photo-electrochemical energy conversion, hydrogen generation and storage, water purification and desalination, environmental control and information processing.

Chemically Deposited Nanocrystalline Metal Oxide Thin Films

Chemically Deposited Nanocrystalline Metal Oxide Thin Films Book
Author : Fabian I. Ezema,Chandrakant D. Lokhande,Rajan Jose
Publisher : Springer Nature
Release : 2021-06-26
ISBN : 3030684628
Language : En, Es, Fr & De

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Book Description :

This book guides beginners in the areas of thin film preparation, characterization, and device making, while providing insight into these areas for experts. As chemically deposited metal oxides are currently gaining attention in development of devices such as solar cells, supercapacitors, batteries, sensors, etc., the book illustrates how the chemical deposition route is emerging as a relatively inexpensive, simple, and convenient solution for large area deposition. The advancement in the nanostructured materials for the development of devices is fully discussed.

Porous Anodic Aluminum Oxide Scaffolds Formation Mechanisms and Applications

Porous Anodic Aluminum Oxide Scaffolds   Formation Mechanisms and Applications Book
Author : Jihun Oh
Publisher : Unknown
Release : 2010
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Nanoporous anodic aluminium oxide (AAO) can be created with pores that self-assemble into ordered configurations. Nanostructured metal oxides have proven to be very useful as scaffolds for growth of nanowires and nanotubes with tunable diameters and with tight diameter distributions. For 50 years, field-assisted dissolution of the oxide has been cited as the mechanism that leads to pore formation in alumina, and by analogy, porous anodic TiO2 and other functional metal oxides. We show that field-assisted dissolution models are consistent with the observed dependence of the Al2O3 dissolution rate on the electric field, as well as the existence of a critical field for pore initiation. However, we further show that the well-known ordered porous structure, which has a significantly different length scale, does not result from a field-induced instability, but is instead the result of a strain-induced instability with forced plastic deformation and flow of the oxide during further anodization. We demonstrate that these pore generation mechanisms can be controlled independently, even when they co-exist, by controlling the electric field across the oxide as well as the anodization conditions. We also show that mechanical confinement results in a dendritic pore structure. Through interpretation of these results we develop a generalized mechanism for ordered pore formation in AAO in analogy with cellular solidification. In addition, we report on abnormal behavior in anodic oxidation of Al in mechanically confined structures for formation of horizontal nanoporous anodic alumina oxide, H-AAO. Instead of smooth pore walls, periodic dendrite inner pore structures form, the growth rate is suppressed to 5 % of its value during bulk anodization under the same conditions, and a steady-state is never reached. These anomalies associated with formation of H-AAO originate from suppressed volume expansion and plastic flow of Al2O3 confined by the SiO2 hard mask. By determining new anodization conditions leading to zero volume expansion, dendritic H-AAO can be avoided and kinetic retardation can be minimized. A new method for perforation of the AAO barrier layer has been developed, based on anodization of Al/W bilayer films on substrates. When Al/W bilayer films are anodized and pores approach the Al/W interface, tungsten oxide forms and penetrates the alumina barrier oxide, in part, due to enhanced plasticity of the alumina layer. By selectively etching the tungsten oxide, the barrier oxide can be removed and the base of the pores opened, without etching of the AAO. Finally, we further refined the selective barrier perforation process using the W interlayer to develop a methodology for fabrication of through-pore AAO scaffolds on any conducting substrate (AS) by anodizing an Al/W/AS tri-layer. Structural and kinetic study of the WO3 extrusion revealed that the anodization of W consumes a fixed thickness of the W layer in acidic electrolytes under specific anodization conditions. Based on this study, the optimum thickness of the W interlayer in the Al/W/Au tri-layer was measured for various anodization conditions. Through-pore AAOs were fabricated on Au layers with exposure of the surface at the base of the pores, using the optimum W thickness without a violent O2 evolution reaction and without changing the pore diameters. With scaffolds made using this methodology, vertically-aligned free-standing Au and Pt nanowires with diameters ranging from about 12 nm to about 120 nm were grown by electrodeposition on a gold substrate.

Metal Oxides in Supercapacitors

Metal Oxides in Supercapacitors Book
Author : Deepak P. Dubal,Pedro Gomez-Romero
Publisher : Elsevier
Release : 2017-07-10
ISBN : 0128104651
Language : En, Es, Fr & De

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Book Description :

Metal Oxides in Supercapacitors addresses the fundamentals of metal oxide-based supercapacitors and provides an overview of recent advancements in this area. Metal oxides attract most of the materials scientists use due to their excellent physico-chemical properties and stability in electrochemical systems. This justification for the usage of metal oxides as electrode materials in supercapacitors is their potential to attain high capacitance at low cost. After providing the principles, the heart of the book discusses recent advances, including: binary metal oxides-based supercapacitors, nanotechnology, ternary metal oxides, polyoxometalates and hybrids. Moreover, the factors affecting the charge storage mechanism of metal oxides are explored in detail. The electrolytes, which are the soul of supercapacitors and a mostly ignored character of investigations, are also exposed in depth, as is the fabrication and design of supercapacitors and their merits and demerits. Lastly, the market status of supercapacitors and a discussion pointing out the future scope and directions of next generation metal oxides based supercapacitors is explored, making this a comprehensive book on the latest, cutting-edge research in the field. Explores the most recent advances made in metal oxides in supercapacitors Discusses cutting-edge nanotechnology for supercapacitors Includes fundamental properties of metal oxides in supercapacitors that can be used to guide and promote technology development Contains contributions from leading international scientists active in supercapacitor research and manufacturing

Electrochemical Methods of Nanostructure Preparation

Electrochemical Methods of Nanostructure Preparation Book
Author : László Péter
Publisher : Springer Nature
Release : 2021-04-24
ISBN : 3030691179
Language : En, Es, Fr & De

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Book Description :

This book summarizes the electrochemical routes of nanostructure preparation in a systematic and didactic manner. It provides a comprehensive overview of electrodeposition, anodization, carbon nanotube preparation and other methods of nanostructure fabrication, combining essential information on the physical background of electrochemistry with materials science aspects of the field. The book includes a brief introduction to general electrochemistry with an emphasis on physico-chemical aspects, followed by a description of the sample preparation methods. In each chapter, an overview of the particular method is accompanied by a discussion of the relevant physical or chemical properties of the materials, including magnetic, mechanical, optical, catalytic, sensoric and other features. While some preparation methods are discussed in connection with the theories of physical electrochemistry (e.g. electrodeposition), the book also covers methods that are more heuristic but nonetheless utilize electric current (e.g. anodization of porous alumina or synthesis of carbon nanotubes by means of electric arc discharge).

1 Dimensional Metal Oxide Nanostructures

1 Dimensional Metal Oxide Nanostructures Book
Author : Zainovia Lockman
Publisher : CRC Press
Release : 2018-12-07
ISBN : 1351266705
Language : En, Es, Fr & De

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Book Description :

1-D metal oxide nanostructures, especially those with semiconducting properties, have attracted much attention in recent years due to their potential and emerging applications, specifically in environment purification and energy devices. For these applications, there have been many efforts to grow 1-D nanostructures in the form of nanotubes, nanorods, and nanowires using processes that conserve energy, are cost effective, and can be scaled up for large-scale production. 1-Dimensional Metal Oxide Nanostructures gathers under one title the most recent development of oxide nanomaterials, especially those fabricated via oxidation process in the nanoscale field. Thermal and anodic oxidation processes are reviewed with an aim to offer an in-depth understanding of mechanisms of 1-D nanostructure formation, their characteristics, and limitations. Other more common methods are also discussed, including sol-gel, hydrothermal, and other templated methods. Important applications of 1-D nanostructures are then presented, focusing on oxides like zinc oxide, titanium oxide, zirconium oxide, copper oxide, and iron oxide. A chapter on carbon nanotubes hybrid with these oxides is also included as well as one on silicon oxide nanowires formation by local anodic oxidation process. Aimed at researchers, academics, and engineers working across the fields of nanotechnology, materials science, chemistry, physics, semiconductors, and environmental and biomedical engineering, this essential reference enables readers to grasp the main concepts of nanomaterials in 1-D: formation technique, characteristics, and uses. It also encourages practical innovations in nanotechnology, especially in curbing pressing global issues related to energy, environment, and security.

Advances in Memristor Neural Networks

Advances in Memristor Neural Networks Book
Author : Calin Ciufudean
Publisher : BoD – Books on Demand
Release : 2018-10-03
ISBN : 1789841151
Language : En, Es, Fr & De

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Book Description :

Nowadays, scientific research deals with alternative solutions for creating non-traditional computing systems, such as neural network architectures where the stochastic nature and live dynamics of memristive models play a key role. The features of memristors make it possible to direct processing and analysis of both biosystems and systems driven by artificial intelligence, as well as develop plausible physical models of spiking neural networks with self-organization. This book deals with advanced applications illustrating these concepts, and delivers an important contribution for the achievement of the next generation of intelligent hybrid biostructures. Different modeling and simulation tools can deliver an alternative to funding the theoretical approach as well as practical implementation of memristive systems.

Journal of the Electrochemical Society

Journal of the Electrochemical Society Book
Author : Anonim
Publisher : Unknown
Release : 2009
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Journal of the Electrochemical Society book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Advanced Coating Materials

Advanced Coating Materials Book
Author : Liang Li,Qing Yang
Publisher : John Wiley & Sons
Release : 2018-11-19
ISBN : 111940763X
Language : En, Es, Fr & De

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Book Description :

This book covers the recent advances in coating materials and their novel applications at the cross-section of advanced materials both current and next-generation. Advanced Coatings Materials contains chapters covering the latest research on polymers, carbon resins, and high-temperature materials used for coatings, adhesives, and varnishes today. Concise chapters describe the development, chemical and physical properties, synthesis and polymerization, commercial uses, and other characteristics for each raw material and coating detailed. A comprehensive, yet practical source of reference, this book provides an excellent foundation for comparing the properties and performance of coatings and selecting the most suitable materials based on specific service needs and environmental factors.

Metal Oxide Nanostructures Chemistry

Metal Oxide Nanostructures Chemistry Book
Author : Jean-Pierre Jolivet
Publisher : Oxford University Press
Release : 2019-01-04
ISBN : 0190928123
Language : En, Es, Fr & De

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Book Description :

This much-anticipated new edition of Jolivet's work builds on the edition published in 2000. It is entirely updated, restructured and increased in content. The book focuses on the formation by techniques of green chemistry of oxide nanoparticles having a technological interest. Jolivet introduces the most recent concepts and modelings such as dynamics of particle growth, ordered aggregation, ionic and electronic interfacial transfers. A general view of the metal hydroxides, oxy-hydroxides and oxides through the periodic table is given, highlighting the influence of the synthesis conditions on crystalline structure, size and morphology of nanoparticles. The formation of aluminum, iron, titanium, manganese and zirconium oxides are specifically studied. These nanomaterials have a special interest in many technological fields such as ceramic powders, catalysis and photocatalysis, colored pigments, polymers, cosmetics and also in some biological or environmental phenomena.

Nanoporous Alumina

Nanoporous Alumina Book
Author : Dusan Losic,Abel Santos
Publisher : Springer
Release : 2015-07-17
ISBN : 3319203347
Language : En, Es, Fr & De

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Book Description :

This book gives detailed information about the fabrication, properties and applications of nanoporous alumina. Nanoporous anodic alumina prepared by low-cost, simple and scalable electrochemical anodization process due to its unique structure and properties have attracted several thousand publications across many disciplines including nanotechnology, materials science, engineering, optics, electronics and medicine. The book incorporates several themes starting from the understanding fundamental principles of the formation nanopores and theoretical models of the pore growth. The book then focuses on describing soft and hard modification techniques for surface and structural modification of pore structures to tailor specific sensing, transport and optical properties of nano porous alumina required for diverse applications. These broad applications including optical biosensing, electrochemical DNA biosensing, molecular separation, optofluidics and drug delivery are reviewed in separated book chapters. The book appeals to researchers, industry professionals and high-level students.

Metal Oxide Nanostructures

Metal Oxide Nanostructures Book
Author : Daniela Nunes,Ana Pimentel,Lidia Santos,Pedro Barquinha,Luis Pereira,Elvira Fortunato,Rodrigo Martins
Publisher : Elsevier
Release : 2018-11-01
ISBN : 012811505X
Language : En, Es, Fr & De

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Book Description :

Metal Oxide Nanostructures: Synthesis, Properties and Applications covers the theoretical and experimental aspects related to design, synthesis, fabrication, processing, structural, morphological, optical and electronic properties on the topic. In addition, it reviews surface functionalization and hybrid materials, focusing on the advantages of these oxide nanostructures. The book concludes with the current and future prospective applications of these materials. Users will find a complete overview of all the important topics related to oxide nanostructures, from the physics of the materials, to its application. Delves into hybrid structured metal oxides and their promising use in the next generation of electronic devices Includes fundamental chapters on synthesis design and the properties of metal oxide nanostructures Provides an in-depth overview of novel applications, including chromogenics, electronics and energy

Continuous Nanophase and Nanostructured Materials Volume 788

Continuous Nanophase and Nanostructured Materials  Volume 788 Book
Author : Materials Research Society. Meeting
Publisher : Mrs Proceedings
Release : 2004-03-16
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

This book focuses on recent advances in nanostructured and nanophase materials and their applications. Nanostructured materials consist of domains of less than 100nm and include atom clusters and cluster assemblies, one- and two-dimensionally modulated layers and three-dimensional structures. The term 'nanophase' refers to structures comprised of domains or particles of a single material that are typically less than 100nm, whereas 'nanocomposite' refers to a composite of more than one nanophase. Nanoscale materials can be engineered as homogeneous or porous ceramics, metals, metal oxides, semiconductors, organic polymers, or as composite materials containing these components. This book brings together scientists from many disciplines to share and discuss advances in the field. Topics include: nanophase materials; nanocomposite materials; nanoporous materials; nanostructured materials; applications and properties of nanostructured materials; carbon nanotubes; nanostructured thin films and coatings; and theoretical and modeling studies of nanostructured materials.