Electrochromism in Transition Metal Oxides PDF Download
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Author: Raghunath S. Patil
Publisher: LAP Lambert Academic Publishing
ISBN: 9783844334876
Category :
Languages : en
Pages : 196
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Book Description
Electrochromics is a healthy blend of basic physics and chemistry, thin film science, device technology and market opportunities. Use of electrochromic (EC) materials as smart windows in an interactive architecture of buildings provide a better option for energy saving. Hence developments in electrochromics will remain a vital field for endeavors of various kinds in coming years. Molybdnum oxide (MoO3) shows pronounced electrochromism due to its interesting structural(provides conduits for intercalation/deintercalation) and electronic properties. It is a 4d transition metal oxide, which can be switched between two different optical states (transparent and colored) by Photochromic, Thermochromic or Electrochromic effect. This book presents a novel route of cathodic electrodeposition of hydrous MoO2 thin films and their thermal oxidation to obtain electrochromic MoO3 thin films. The fundamentals of Electro-deposition and material formation are discussed at length. structural, optical and electrochromic properties are studied and reasons for enhancement in Electrochromic parameters on the basis of proposed theories is discussed at length.
Author: Raghunath S. Patil
Publisher: LAP Lambert Academic Publishing
ISBN: 9783844334876
Category :
Languages : en
Pages : 196
Get Book Here
Book Description
Electrochromics is a healthy blend of basic physics and chemistry, thin film science, device technology and market opportunities. Use of electrochromic (EC) materials as smart windows in an interactive architecture of buildings provide a better option for energy saving. Hence developments in electrochromics will remain a vital field for endeavors of various kinds in coming years. Molybdnum oxide (MoO3) shows pronounced electrochromism due to its interesting structural(provides conduits for intercalation/deintercalation) and electronic properties. It is a 4d transition metal oxide, which can be switched between two different optical states (transparent and colored) by Photochromic, Thermochromic or Electrochromic effect. This book presents a novel route of cathodic electrodeposition of hydrous MoO2 thin films and their thermal oxidation to obtain electrochromic MoO3 thin films. The fundamentals of Electro-deposition and material formation are discussed at length. structural, optical and electrochromic properties are studied and reasons for enhancement in Electrochromic parameters on the basis of proposed theories is discussed at length.
Author: Roger J. Mortimer
Publisher: John Wiley & Sons
ISBN: 352767988X
Category : Technology & Engineering
Languages : en
Pages : 672
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Book Description
Electrochromic materials can change their properties under the influence of an electrical voltage or current. Different classes of materials show this behavior such as transition metal oxides, conjugated polymers, metal-coordinated complexes and organic molecules. As the color change is persistent, the electric field needs only to be applied to initiate the switching, allowing for applications such as low-energy consumption displays, light-adapting mirrors in the automobile industry and smart windows for which the amount of transmitted light and heat can be controlled. The first part of this book describes the different classes and processing techniques of electrochromic materials. The second part highlights nanostructured electrochromic materials and device fabrication, and the third part focuses on the applications such as smart windows, adaptive camouflage, biomimicry, wearable displays and fashion. The last part rounds off the book by device case studies and environmental impact issues.
Author: Paul Monk
Publisher: Cambridge University Press
ISBN: 1139465562
Category : Technology & Engineering
Languages : en
Pages :
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Book Description
Electrochromic materials, both organic and inorganic, have widespread applications in light-attenuation, displays and analysis. Written in an accessible manner, this book provides a comprehensive treatment of all types of electrochromic systems and their many applications. Coverage develops from electrochromic scope and history to new searching presentations of optical quantification and theoretical mechanistic models. Non-electrode electrochromism and photo-electrochromism are summarised, with updated comprehensive reviews of electrochromic oxides (tungsten-trioxide particularly), metal co-ordination complexes and metal-cyanometallates, viologens and other organics; and more recent exotics such as fullerenes, hydrides, and conjugated electroactive polymers are also covered. The book concludes by examining device construction and durability. With an extensive bibliography, recent advances in the field, modern applications and a step-by-step development from simple examples to sophisticated theories, this book is ideal for researchers in materials science, polymer science, electrical engineering, physics, chemistry, bioscience and (applied) optoelectronics.
Author: Pandurang Ashrit
Publisher: Elsevier
ISBN: 0081017480
Category : Technology & Engineering
Languages : en
Pages : 378
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Book Description
The phase transition and the reversible optical and electrical switching that occur in chromogenic materials under the influence of external forces such as heat, light, and electric field are topics of enormous scientific interest. Transition Metal Oxide Thin Film–Based Chromogenics and Devices discusses experimental and theoretical developments in the field of chromogenics based on the transition metal oxide (TMO) thin films. Understanding the relationship between the switching properties of TMO materials and their nanostructure is of paramount importance in developing efficient chromogenic devices. The tailoring of these switching behaviors is afforded detailed coverage in this book, alongside in-depth discussion of a range of chromogenic materials and devices, including photochromics, thermochromics, and electrochromics. Transition Metal Oxide Thin Film–Based Chromogenics and Devices covers both the theoretical aspects of TMO thin film–based chromogenics and their engineering applications in device construction. Academics and professionals in the fields of materials science and optics will find this book to be a key resource, whether their focus is low-dimension materials, light-materials interactions, or device development. - Enables researchers to keep up with developments in thin film–based chromogenics - Provides detailed coverage of the switching mechanism of the various TMO thin films to assist readers in developing more efficient devices - Offers in-depth discussion of a range of chromogenic materials and devices, including thermochromics, photochromics, and electrochromics
Author: C.G. Granqvist
Publisher: Elsevier
ISBN: 008053290X
Category : Technology & Engineering
Languages : en
Pages : 651
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Book Description
Electrochromic materials are able to change their optical properties in a persistent and reversible way under the action of a voltage pulse. This book explores electrochromism among the metal oxides, with detailed discussions of materials preparation (primarily by thin film technology), materials characterization by (electro)chemical and physical techniques, optical properties, electrochromic device design, and device performance. The vast quantity of information presented is structured in a systematic manner and the optical data is interpreted within a novel conceptual framework.The publication will serve as a comprehensive foundation and reference work for future studies within the rapidly expanding field of electrochromic materials and devices. These devices are of particular interest for information displays, variable-transmittance (smart) windows, variable-reflectance mirrors and variable-emittance surfaces.
Author: Jian Wei Xu
Publisher: Royal Society of Chemistry
ISBN: 1788011430
Category : Technology & Engineering
Languages : en
Pages : 546
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Book Description
Electrochromic Smart Materials covers major topics related to the phenomenon of electrochromism, including fundamental principles, classes and subclasses of electrochromic materials, device processing and manufacturing.
Author: Magdalena Nuñez
Publisher: Nova Publishers
ISBN: 9781594544569
Category : Science
Languages : en
Pages : 226
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Book Description
Electrochemistry is the branch of chemistry that deals with the chemical action of electricity and the production of electricity by chemical reactions. In a world short of energy sources yet long on energy use, electrochemistry is a critical component of the mix necessary to keep the world economies growing. Electrochemistry is involved with such important applications as batteries, fuel cells, corrosion studies, hydrogen energy conversion, and bioelectricity. Research on electrolytes, cells, and electrodes is within the scope of this old but extremely dynamic field. This book details advances in metal electrodeposition.
Author: P. A. Cox
Publisher: Oxford University Press
ISBN: 0191030139
Category : Technology & Engineering
Languages : en
Pages : 295
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Book Description
Transition metal oxides form a series of compounds with a uniquely wide range of electronic properties. They have important applications as dielectrics,semiconductors, and metals, and as materials for magnetic and optical uses. The recent discovery of `high temperature' superconductors has brought the attention of a wide scientific community to this area and has highlighted the problems involved in trying to understand transition metal oxides. The present book is not primarily about Tc superconductors, although their main properties are discussed in the final sections. The main aim is to describe the varied electronic behaviour shown by transition metal oxides, and to discuss the different types of theoretical model that have been proposed to interpret it. It is intended to provide an introduction to this fascinating and difficult field, at a level suitable for graduate students and other research workers with a background in solid- state chemistry or physics.
Author: H.H. Kung
Publisher: Elsevier
ISBN: 0080887422
Category : Science
Languages : en
Pages : 299
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Book Description
In this book the author presents an up-to-date summary of existing information on the structure, electronic properties, chemistry and catalytic properties of transition metal oxides.The subjects covered in the book can be divided into three sections. The first (chapters 1 to 3) covers the structural, physical, magnetic, and electronic properties of transition metal oxides. Although the emphasis is on surface properties, relevant bulk properties are also discussed. The second section (chapters 4 to 7) covers surface chemical properties. It includes topics that describe the importance of surface coordinative unsaturation in adsorption, the formation of surface acidity and the role of acidity in determining surface chemical properties, the nature and reactivities of adsorbed oxygen, and the surface chemistry in the reduction of oxides. The third section (chapters 8 to 14) is on the catalytic properties. Various catalytic reactions including decomposition, hydrogenation, isomerization, metathesis, selective oxidation, and reactions involving carbon oxides are discussed. Emphasis is placed more on reaction mechanisms and the role of catalysts than on kinetics and processes. Chapters on the preparation of oxide catalysts and on photo-assisted processes are also included. Whenever appropriate, relationships between various topics are indicated.Written for surface physicists, chemists, and catalytic engineers, the book will serve as a useful source of information for investigators and as a comprehensive overview of the subject for graduate students.
Author: Paul M. S. Monk
Publisher: John Wiley & Sons
ISBN: 3527615369
Category : Science
Languages : en
Pages : 239
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Book Description
Electrochromic devices have a number of important commercial applications, for instance in displays, as optical shutters, and as modulators for mirrors, windows, and sun-glasses. Electrochromism - Fundamentals and Applications is the first in-depth treatise on the topic. Written by leading scientists in the field, it is a state-of-the-art account of all aspects of electrochromism, presented at a level accessible to chemists, physicists, materials scientists and engineers. Both the physical and chemical background of electrochromic phenomena are described and a comprehensive survey of both organic and inorganic compounds and systems is given. Special emphasis is placed on providing detailed, hands-on information on applications and potential uses of electrochromic systems. This book is essential reading for scientists active in the field and for anyone wishing to enter the field. An extensive list of carefully chosen references rounds off this valuable reference source.
