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Book Charge Transport in Metal Oxide Nanocrystal based Materials

Download or read book Charge Transport in Metal Oxide Nanocrystal based Materials written by Evan Lars Runnerstrom and published by . This book was released on 2016 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is probably no class of materials more varied, more widely used, or more ubiquitous than metal oxides. Depending on their composition, metal oxides can exhibit almost any number of properties. Of particular interest are the ways in which charge is transported in metal oxides: devices such as displays, touch screens, and smart windows rely on the ability of certain metal oxides to conduct electricity while maintaining visible transparency. Smart windows, fuel cells, and other electrochemical devices additionally rely on efficient transport of ionic charge in and around metal oxides. Colloidal synthesis has enabled metal oxide nanocrystals to emerge as a relatively new but highly tunable class of materials. Certain metal oxide nanocrystals, particularly highly doped metal oxides, have been enjoying rapid development in the last decade. As in myriad other materials systems, structure dictates the properties of metal oxide nanocrystals, but a full understanding of how nanocrystal synthesis, the processing of nanocrystal-based materials, and the structure of nanocrystals relate to the resulting properties of nanocrystal-based materials is still nascent. Gaining a fundamental understanding of and control over these structure-property relationships is crucial to developing a holistic understanding of metal oxide nanocrystals. The unique ability to tune metal oxide nanocrystals by changing composition through the introduction of dopants or by changing size and shape affords a way to study the interplay between structure, processing, and properties. This overall goal of this work is to chemically synthesize colloidal metal oxide nanocrystals, process them into useful materials, characterize charge transport in materials based on colloidal metal oxide nanocrystals, and develop ways to manipulate charge transport. In particular, this dissertation characterizes how the charge transport properties of metal oxide nanocrystal-based materials depend on their processing and structure. Charge transport can obviously be taken to mean the conduction of electrons, but it also refers to the motion of ions, such as lithium ions and protons. In many cases, the transport of ions is married to the motion of electrons as well, either through an external electrical circuit, or within the same material in the case of mixed ionic electronic conductors. The collective motion of electrons over short length scales, that is, within single nanocrystals, is also a subject of study as it pertains to plasmonic nanocrystals. Finally, charge transport can also be coupled to or result from the formation of defects in metal oxides. All of these modes of charge transport in metal oxides gain further complexity when considered in nanocrystalline systems, where the introduction of numerous surfaces can change the character of charge transport relative to bulk systems, providing opportunities to exploit new physical phenomena. Part I of this dissertation explores the combination of electronic and ionic transport in electrochromic devices based on nanocrystals. Colloidal chemistry and solution processing are used to fabricate nanocomposites based on electrochromic tin-doped indium oxide (ITO) nanocrystals. The nanocomposites, which are completely synthesized using solution processing, consist of ITO nanocrystals and lithium bis(trifluoromethylsulfonyl)amide (LiTFSI) salt dispersed in a lithium ion-conducting polymer matrix of either poly(ethylene oxide) (PEO) or poly(methyl methacrylate) (PMMA). ITO nanocrystals are prepared by colloidal synthetic methods and the nanocrystal surface chemistry is modified to achieve favorable nanocrystal-polymer interactions. Homogeneous solutions containing polymer, ITO nanocrystals, and lithium salt are thus prepared and deposited by spin casting. Characterization by DC electronic measurements, microscopy, and x-ray scattering techniques show that the ITO nanocrystals form a complete, connected electrode within a polymer electrolyte matrix, and that the morphology and properties of the nanocomposites can be manipulated by changing the chemical composition of the deposition solution. Careful application of AC impedance spectroscopy techniques and DC measurements are used to show that the nanocomposites exhibit mixed ionic and electronic conductivity, where electronic charge is transported through the ITO nanocrystal phase, and ionic charge is transported through the polymer matrix phase. Additionally, systematic changes in ionic and electronic conductivity with morphology are measured. The synthetic methods developed here and understanding of charge transport ultimately lead to the fabrication of a solid state nanocomposite electrochromic device based on nanocrystals of ITO and cerium oxide. Part II of this dissertation considers electron transport within individual metal oxide nanocrystals themselves. It primarily examines relationships between synthetic chemistry, doping mechanisms in metal oxides, and the accompanying physics of free carrier scattering within the interior of highly doped metal oxide nanocrystals, with particular mind paid to ITO nanocrystals. Additionally, synthetic methods as well as metal oxide defect chemistry influences the balance between activation and compensation of dopants, which limits the nanocrystals' free carrier concentration. Furthermore, because of ionized impurity scattering of the oscillating electrons by dopant ions, scattering must be treated in a fundamentally different way in semiconductor metal oxide materials when compared with conventional metals. Though these effects are well understood in bulk metal oxides, further study is needed to understand their manifestation in nanocrystals and corresponding impact on plasmonic properties, and to develop materials that surpass current limitations in free carrier concentration and mobilities. In particular, efforts to address these limitations by developing new nanocrystal materials (with careful consideration of structure-property relationships) are described. Synthetic control of nanocrystal shape is also explored. Each of these topics have implications in determining the properties of localized surface plasmon resonances (LSPRs) in these nanocrystals. Part II culminates as the defect chemistry of metal oxides is identified as a major factor influencing LSPR and charge transport in doped metal oxide nanocrystals. Aliovalent dopants and oxygen vacancies act as centers for ionized impurity scattering of electrons, and this electronic damping leads to lossy, broadband LSPR with low quality factors, limiting applications that require near field concentration of light. However, the appropriate dopant can mitigate ionized impurity scattering. Herein, the synthesis and characterization of a novel doped metal oxide nanocrystal material, cerium-doped indium oxide (Ce:In2O3) is described. Ce:In2O3 nanocrystals display tunable mid-infrared LSPR with exceptionally narrow line widths and the highest quality factors observed for nanocrystals in this spectral region. Drude model fits to the spectra indicate that a drastic reduction in ionized impurity scattering is responsible for the enhanced quality factors, and high electronic mobilities reaching 33 cm2/Vs are measured optically, well above the optical mobility for ITO nanocrystals. The microscopic mechanisms underlying this enhanced mobility are investigated with density functional theory calculations, which suggest that scattering is reduced because cerium orbitals do not hybridize with the In orbitals that dominate the bottom of the conduction band. Ce doping may also reduce the equilibrium oxygen vacancy concentration, further enhancing mobility. Absorption spectra of single Ce:In2O3 nanocrystals are used to determine the dielectric function, and simulations predict strong near field enhancement of mid-IR light, especially around the vertices of Ce:In2O3 nanocubes. Part III examines how the defect chemistry of metal oxides can be used to manipulate not only electronic transport, but also ionic transport in materials that are relevant for high temperature electrochemistry. Over the past few years, the observation of unexpected but significant proton conductivity in porous, nanocrystalline ceramics has generated substantial scientific interest mirroring the excitement surrounding ionic conduction in other nanostructured or porous materials. Numerous studies, to varying degrees of success, have attempted to describe or control the mechanisms that enable proton motion in nanocrystalline ceramics. Here, colloidally synthesized ceramic nanocrystals of cerium oxide (CeO\textsubscript{2}) and titanium oxide (TiO\textsubscript{2}) are utilized to systematically study how grain size, microporosity, and composition influence proton conduction. By measuring the temperature-dependent impedance of porous thin films of these nanocrystals under dry and wet atmospheres, it was found that both CeO2 and TiO2 display significant proton conductivity at intermediate temperatures between 100C and 350C. Furthermore, oxygen activity strongly impacts proton transport; using oxygen as a carrier gas drastically reduced the proton conductivity by up to 60 times. Together, these results suggest that the most likely source of mobile protons in these systems is dissociative adsorption of water at surface oxygen vacancies, with composition, nanocrystal size, and oxide defect equilibria influencing the surface activity toward this reaction and hence the proton conductivity.

Book Metal Oxide Nanocomposites

Download or read book Metal Oxide Nanocomposites written by B. Raneesh and published by John Wiley & Sons. This book was released on 2021-02-17 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Oxide Nanocomposites: Synthesis and Applications summarizes many of the recent research accomplishments in the area of metal oxide-based nanocomposites. This book focussing on the following topics: Nanocomposites preparation and characterization of metal oxide nanocomposites; synthesis of core/shell metal oxide nanocomposites; multilayer thin films; sequential assembly of nanocomposite materials; semiconducting polymer metal oxide nanocomposites; graphene-based metal and metal oxide nanocomposites; carbon nanotube–metal–oxide nanocomposites; silicon mixed oxide nanocomposites; gas semiconducting sensors based on metal oxide nanocomposites; metal ]organic framework nanocomposite for hydrogen production and nanocomposites application towards photovoltaic and photocatalytic.

Book Chemically Deposited Nanocrystalline Metal Oxide Thin Films

Download or read book Chemically Deposited Nanocrystalline Metal Oxide Thin Films written by Fabian I. Ezema and published by Springer Nature. This book was released on 2021-06-26 with total page 926 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Book Interaction Between Structural and Electronic Phase Changes of Metal Oxide Semiconductor Nanocrystals

Download or read book Interaction Between Structural and Electronic Phase Changes of Metal Oxide Semiconductor Nanocrystals written by Clayton John Dahlman and published by . This book was released on 2017 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconducting metal oxides have emerged as a core class of materials in functional electronic devices because of their versatile compositions and tunable electronic and optical properties. Applying a charge to metal oxides can modulate carrier properties and induce structural changes from charge-compensating defects. However, charge-mediated transformations are contingent upon efficient transport of carriers, compensating species, or field biases into the bulk. Nanostructured materials, including colloidal metal oxide nanocrystals, can accommodate efficient charge transport across the semiconductor interface, and exhibit sensitive optical and electronic properties that arise from their nanoscale geometry. This dissertation studies the relationship between charge-mediated electronic and structural phase changes in metal oxide nanocrystals, and correlates these transformations with their nanoscale geometry and interfacial environment. The first investigation studies anatase TiO2 nanocrystals during electrochemical charging. TiO2 nanocrystal films can undergo two independent charging processes within a Li-ion electrolyte: surface capacitance, which raises the Fermi level upon reduction and induces Drude-like infrared localized surface plasmon resonance without affecting structure, and intercalative charging caused by the insertion of Li+ into the nanocrystal lattice. These two charging processes create independent dual-spectrum visible (Li-ion intercalation) and infrared (plasmon resonance) optical responses to applied bias, with applications for versatile electrochromic smart windows. The optical and electrochemical properties of both charging mechanisms are isolated and studied independently to examine the role of structure and interfacial environments on these transformations. The second part of this dissertation explores charge-mediated transformations in nanocrystalline VO2, which has a highly non-ideal, charge-correlated electronic structure. A charge-mediated electrochemical insulator to metal transformation in VO2 is found to be highly sensitive to nanoscale grain size, leading to a secondary metal-insulator transformation for sufficiently confined particles. The results of these studies establish general principles to control the interplay between defect-mediated structural transformations, ideal semiconductor gating behavior and interfacial environments in metal oxide nanocrystals.

Book Inorganic Metal Oxide Nanocrystal Photocatalysts for Solar Fuel Generation from Water

Download or read book Inorganic Metal Oxide Nanocrystal Photocatalysts for Solar Fuel Generation from Water written by Troy K. Townsend and published by Springer Science & Business Media. This book was released on 2014-03-19 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Troy Townsend's thesis explores the structure, energetics and activity of three inorganic nanocrystal photocatalysts. The goal of this work is to investigate the potential of metal oxide nanocrystals for application in photocatalytic water splitting, which could one day provide us with clean hydrogen fuel derived from water and solar energy. Specifically, Townsend's work addresses the effects of co-catalyst addition to niobium oxide nanotubes for photocatalytic water reduction to hydrogen, and the first use of iron oxide 'rust' in nanocrystal suspensions for oxygen production. In addition, Townsend studies a nickel/oxide-strontium titanate nanocomposite which can be described as one of only four nanoscale water splitting photocatalysts. He also examines the charge transport for this system. Overall, this collection of studies brings relevance to the design of inorganic nanomaterials for photocatalytic water splitting while introducing new directions for solar energy conversion.

Book Metal Oxide Nanoparticles in Organic Solvents

Download or read book Metal Oxide Nanoparticles in Organic Solvents written by Markus Niederberger and published by Springer Science & Business Media. This book was released on 2009-09-17 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Oxide Nanoparticles in Organic Solvents discusses recent advances in the chemistry involved for the controlled synthesis and assembly of metal oxide nanoparticles, the characterizations required by such nanoobjects, and their size and shape depending properties. In the last few years, a valuable alternative to the well-known aqueous sol-gel processes was developed in the form of nonaqueous solution routes. Metal Oxide Nanoparticles in Organic Solvents reviews and compares surfactant- and solvent-controlled routes, as well as providing an overview of techniques for the characterization of metal oxide nanoparticles, crystallization pathways, the physical properties of metal oxide nanoparticles, their applications in diverse fields of technology, and their assembly into larger nano- and mesostructures. Researchers and postgraduates in the fields of nanomaterials and sol-gel chemistry will appreciate this book’s informative approach to chemical formation mechanisms in relation to metal oxides.

Book Chemistry of Nanocrystalline Oxide Materials

Download or read book Chemistry of Nanocrystalline Oxide Materials written by K. C. Patil and published by World Scientific. This book was released on 2008 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nano-oxide materials lend themselves to applications in a wide variety of emerging technological fields such as microelectronics, catalysts, ceramics, coatings, and energy storage. However, developing new routes for making nano-based materials is a challenging area for solid-state materials chemists. This book does just that by describing a novel method for preparing them. The authors have developed a novel low-temperature, self-propagating synthetic route to nano-oxides by the solution combustion and combustible precursor processes. This method provides the desired composition, structure, and properties for many types of technologically useful nanocrystalline oxide materials like alumina, ceria, iron oxides, titania, yttria, and zirconia, among others.The book is particularly instructive in bringing readers one step closer to the exploration of nanomaterials. Students of nanoscience can acquaint themselves with the actual production and evaluation of nanopowders by this route, while academic researchers and industrial scientists will find answers to a host of questions on nano-oxides. The book also provides an impetus for scientists in industrial research to evaluate and explore new ways to scale up the production of nanomaterials, offering helpful suggestions for further research.

Book Multifunctional Nanostructured Metal Oxides for Energy Harvesting and Storage Devices

Download or read book Multifunctional Nanostructured Metal Oxides for Energy Harvesting and Storage Devices written by Vijay B. Pawade and published by CRC Press. This book was released on 2020-05-21 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal oxide nanoparticles exhibit potential applications in energy and environmental fields, such as solar cells, fuel cells, hydrogen energy, and energy storage devices. This book covers all points from synthesis, properties, and applications of transition metal oxide nanoparticle materials in energy storage and conversion devices. Aimed at graduate-level students and researchers associated with the energy and environment sector, this book addresses the application of nontoxic and environmentally friendly metal oxide materials for a clean environment and deals with synthesis properties and application metal oxides materials for energy conversion, energy storage, and hydrogen generation.

Book Research Perspectives on Functional Micro  and Nanoscale Coatings

Download or read book Research Perspectives on Functional Micro and Nanoscale Coatings written by Zuzuarregui, Ana and published by IGI Global. This book was released on 2016-04-11 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Just as chemistry is a part of our daily lives, functional coatings can be found in almost every object, gadget or device you can see or touch. However, in the last 20 years the advances made in the preparation of different functional coatings with diverse compositions have allowed the development of nanoscale coatings that are more cost-effective and environmentally conscious than traditional coatings. Research Perspectives on Functional Micro- and Nanoscale Coatings highlights critical research on preparation methods, modification, organization, and utilization of functional coatings in micro, nano, and biotechnology. Emphasizing emerging developments and global research perspectives, this publication is a pivotal resource for engineers, researchers, and graduate-level students interested in learning about emerging developments in functional coatings and nanotechnology.

Book Synthesis  Properties  and Applications of Oxide Nanomaterials

Download or read book Synthesis Properties and Applications of Oxide Nanomaterials written by José A. Rodriguez and published by John Wiley & Sons. This book was released on 2007-03-30 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current oxide nanomaterials knowledge to draw from and build on Synthesis, Properties, and Applications of Oxide Nanomaterials summarizes the existing knowledge in oxide-based materials research. It gives researchers one comprehensive resource that consolidates general theoretical knowledge alongside practical applications. Organized by topic for easy access, this reference: * Covers the fundamental science, synthesis, characterization, physicochemical properties, and applications of oxide nanomaterials * Explains the fundamental aspects (quantum-mechanical and thermodynamic) that determine the behavior and growth mode of nanostructured oxides * Examines synthetic procedures using top-down and bottom-up fabrication technologies involving liquid-solid or gas-solid transformations * Discusses the sophisticated experimental techniques and state-of-the-art theory used to characterize the structural and electronic properties of nanostructured oxides * Describes applications such as sorbents, sensors, ceramic materials, electrochemical and photochemical devices, and catalysts for reducing environmental pollution, transforming hydrocarbons, and producing hydrogen With its combination of theory and real-world applications plus extensive bibliographic references, Synthesis, Properties, and Applications of Oxide Nanomaterials consolidates a wealth of current, complex information in one volume for practicing chemists, physicists, and materials scientists, and for engineers and researchers in government, industry, and academia. It's also an outstanding reference for graduate students in chemistry, chemical engineering, physics, and materials science.

Book Metal Oxide Nanoparticles

Download or read book Metal Oxide Nanoparticles written by Oliver Diwald and published by John Wiley & Sons. This book was released on 2021-09-10 with total page 903 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ein umfassendes Referenzwerk für Chemiker und Industriefachleute zum Thema Nanopartikel Nanopartikel aus Metalloxid sind ein wesentlicher Bestandteil zahlreicher natürlicher und technologischer Prozesse ? von der Mineralumwandlung bis zur Elektronik. Darüber hinaus kommen Metalloxid-Nanopartikel in Pulverform im Maschinenbau, in der Elektronik und der Energietechnik zum Einsatz. Das Werk Metal Oxide Nanoparticles: Formation, Functional Properties and Interfaces stellt die wichtigsten Synthese- und Formulierungsansätze bei der Nutzung von Metalloxid-Nanopartikeln als Funktionsmaterialien vor. Es werden die üblichen Verarbeitungswege erklärt und die physikalischen und chemischen Eigenschaften der Partikel mithilfe von umfassenden und ergänzenden Charakterisierungsmethoden bewertet. Dieses Werk kann als Einführung in die Formulierung von Nanopartikeln, ihre Grenzflächenchemie und ihre funktionellen Eigenschaften im Nanobereich genutzt werden. Darüber hinaus dient es zum vertiefenden Verständnis, denn das Buch enthält detaillierte Angaben zu fortschrittlichen Methoden bei der physikalischen, chemischen, Oberflächen- und Grenzflächencharakterisierung von Metalloxid-Nanopartikeln in Pulvern und Dispersionen. *Erläuterung der Anwendung von Metalloxid-Nanopartikeln und der wirtschaftlichen Auswirkungen *Betrachtung der Partikelsynthese, einschließlich der Grundsätze ausgewählter Bottom-up-Strategien *Untersuchung der Formulierung von Nanopartikeln mit einer Auswahl von Verarbeitungs- und Anwendungswegen *Diskussion der Bedeutung von Partikeloberflächen und -grenzflächen für Strukturbildung, Stabilität und funktionelle Materialeigenschaften *Betrachtung der Charakterisierung von Metalloxid-Nanopartikeln auf verschiedenen Längenskalen In diesem Buch finden Forscher im akademischen Bereich, Chemiker in der Industrie und Doktoranden wichtige Erkenntnisse über die Synthese, Eigenschaften und Anwendungen von Metalloxid-Nanopartikeln.

Book Metal Oxide Glass Nanocomposites

Download or read book Metal Oxide Glass Nanocomposites written by Sanjib Bhattacharya and published by Elsevier. This book was released on 2020-02-29 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Oxide Glass Nanocomposites covers recent developments in metal oxide glass nanocomposites, including a discussion of synthesis methods, properties, characterization methods, and the most promising applications. The book discusses electronic and ionic conduction mechanisms of this materials system with an eye towards device applications. It also provides a comprehensive review of the material's useful properties and structure at a technical level that is appropriate for materials scientists and engineers, physicists and chemists. Includes a comprehensive overview of metal oxide glass nanocomposite, including its optical properties, magnetic properties, electronic transport, dielectric properties, mechanical properties, and more Reviews a wide range of the most relevant applications, such as photonic, biomedical, electronic and thermoelectric Considers the advantages and disadvantages of metal oxide glass nanocomposites for utilization in key applications

Book Surfaces and Interfaces of Metal Oxide Thin Films  Multilayers  Nanoparticles and Nano composites

Download or read book Surfaces and Interfaces of Metal Oxide Thin Films Multilayers Nanoparticles and Nano composites written by Alejandro G. Roca and published by Springer Nature. This book was released on 2021-09-20 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a general overview and current state of the art of different types of metal oxide nanomaterials, either in nanoparticles or thin film structure. It covers from the development and optimization of different nanofabrication/synthesis techniques for nanostructures which are currently the attention of the research community, the study of the structure and interactions by different characterization techniques of heterostructured materials and the final impact in different applications such as nanotherapy, data storage, super magnets, high-frequency devices. The book’s 13 chapters provide deep insight into the intriguing science of oxide materials and include contributions on novel technologies to fabricate nanomaterials with a broad range of functional properties (semiconducting, magnetic, ferroelectric, thermoelectric, optical, flexible and mechanical). This book is intended to the experts for consolidation of their knowledge but also for students who aim to learn and get basics of nanostructured metal oxides in diverse forms.

Book Nanocrystalline Metals and Oxides

Download or read book Nanocrystalline Metals and Oxides written by Philippe Knauth and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured materials have at least one dimension in the nanometer range. They became a very active research area in solid state physics and chemistry in recent years with anticipated applications in various domains, including solar cells, electronics, batteries and sensors. Nanocrystalline metals and oxides are dense polycrystalline solids with a mean grain size below 100 nm. This book is intended to give an overview on selected properties and applications of nanocrystalline metals and oxides by leading experts in the field. The first three chapters provide a very complete theoretical treatment of thermodynamics and atom/ion transport for nanocrystalline materials. The following chapters are experts' views on the development of experimental characterization techniques for nanocrystalline solids with emphasis on electroceramic materials. Nanocrystalline Metals and Oxides is intended for a broad range of readers, foremost chemists, physicists and materials scientists. Theoretical physicists and chemists will certainly also profit from this book. The electroceramics and solid state ionics community are particularly addressed, given the main interests of the editors.

Book Metal Oxide Nanocomposite Thin Films for Optoelectronic Device Applications

Download or read book Metal Oxide Nanocomposite Thin Films for Optoelectronic Device Applications written by Rayees Ahmad Zargar and published by John Wiley & Sons. This book was released on 2023-09-18 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: METAL OXIDE NANOCOMPOSITE THIN FILMS FOR OPTOELECTRONIC DEVICE APPLICATIONS The book provides insight into the fundamental aspects, latest research, synthesis route development, preparation, and future applications of metal oxide nanocomposite thin films. The fabrication of thin film-based materials is important to the future production of safe, efficient, and affordable energy as the devices convert sunlight into electricity. Thin film devices allow excellent interface engineering for high-performance printable solar cells as their structures are highly reliable and stand-alone systems can provide the required megawatts. They have been used as power sources in solar home systems, remote buildings, water pumping, megawatt-scale power plants, satellites, communications, and space vehicles. Metal Oxide Nanocomposite Thin Films for Optoelectronic Device Applications covers the basics of advanced nanometal oxide-based materials, their synthesis, characterization, and applications, and all the updated information on optoelectronics. Topics discussed include the implications of metal oxide thin films, which are critical for device fabrications. It provides updated information on the economic aspect and toxicity, with great focus paid to display applications, and covers some core areas of nanotechnology, which are particularly concerned with optoelectronics and the available technologies. The book concludes with insights into the role of nanotechnology and the physics behind photovoltaics. Audience The book will be an important volume for electronics and electrical engineers, nanotechnologists, materials scientists, inorganic chemists in academic research, and those in industries, exploring the applications of nanoparticles in semiconductors, power electronics, and more.

Book Colloidal Quantum Dot Optoelectronics and Photovoltaics

Download or read book Colloidal Quantum Dot Optoelectronics and Photovoltaics written by Gerasimos Konstantatos and published by Cambridge University Press. This book was released on 2013-11-07 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Captures the most up-to-date research in the field, written in an accessible style by the world's leading experts.

Book Metal Oxides for Next generation Optoelectronic  Photonic  and Photovoltaic Applications

Download or read book Metal Oxides for Next generation Optoelectronic Photonic and Photovoltaic Applications written by Vijay Kumar and published by Elsevier. This book was released on 2023-09-15 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Oxides for Next Generation Optoelectronic, Photonic and Photovoltaic Applications focuses on the optoelectronic, photonic and photovoltaic behaviors of metallic oxides and closely related phenomena, from elementary principles to the latest findings. Each chapter includes a comprehensive evaluation of the synthesis and characterization of the most relevant metal oxides nanostructures for each application. In addition, there is a focus on methods to tune the materials’ properties in order to improve devices performance. This book is suitable for researchers and practitioners in academia and industry working in the disciplines of materials science and engineering, chemistry and physics. Metal oxides are widely used in various optoelectronic devices, photonics, display devices, smart windows, sensors, optical components, energy-saving, and harvesting devices. Each application requires materials with their own specific properties. By controlling the particle size, shape, crystal structure, one can tune various properties of metal oxides viz. bandgap, absorption properties, conductivity, which alter the material for the specific application. Includes discussions of synthesis and characterization of metal oxides materials for applications in next-generation optoelectronic, photonic and photovoltaic devices Emphasizes material design strategies of metal oxide nanostructures Focuses on the optoelectronic, photonic and photovoltaic behaviors of metallic oxides and closely related phenomena, from elementary principles to the latest findings