Rare Earth Activated Phosphors
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| Author | : Vikas Dubey |
| Publisher | : Elsevier |
| Total Pages | : 410 |
| Release | : 2022-06-29 |
| Genre | : Science |
| ISBN | : 0323886051 |
Rare-Earth-Activated Phosphors: Chemistry and Applications outlines important fundamentals and properties and explores successful application that address key problems across the sciences. Sections introduce phosphors and luminescence, explore their properties, characteristics, synthesis and degradation and highlight key applications across telecommunications, lighting, electroluminescent devices, (bio-)analytical sensors, bio-imaging set-ups, drug delivery and sustainable energy devices. Drawing on the knowledge of an expert team of contributors, the book provides useful insight into successfully harnessing the properties of rare earth activated phosphors for a range of important applications.Rare-earth nano-phosphors offer an interesting array of characteristics, including sharp emission bands, exceptional optical damage thresholds, low toxicity, high selectivity and stability, and long luminescence lifetimes. Understanding these properties can help researchers effectively manipulate them for a range of important applications. - Provides a good introduction to the useful properties and characteristics of rare earth activated phosphors - Analyzes the use of rare earth activated phosphors for a broad variety of important applications, bridging the gap between theory and application - Encourages further discourse and development for improving the energy-efficiency of devices based on rare earth activated phosphors
| Author | : Mihail Nazarov |
| Publisher | : CRC Press |
| Total Pages | : 468 |
| Release | : 2011-09-02 |
| Genre | : Science |
| ISBN | : 9814310778 |
This book concentrates on the luminescence and structural properties of the new generation of europium and terbium activated phosphors, associated phenomena, and related topics, from basic principles to the most recent discoveries. It summarizes the present state of the art in this rapidly growing field. The authors describe recent developments in the areas of rare earth doped phosphors and of some new materials or well-known materials with improved properties that open up new possibilities. The areas of focus include X-ray phosphors, phosphors for light-emitting devices, emissive displays, and fluorescent lamps. The book comprises theoretical and experimental analysis of various properties of phosphors, research methods and preparation techniques, and some promising applications.
| Author | : Dr. B. M. Manohara |
| Publisher | : Nitya Publications |
| Total Pages | : 177 |
| Release | : 2020-01-01 |
| Genre | : Juvenile Nonfiction |
| ISBN | : 8194550491 |
Phosphor materials find wide applications ranging from fluorescent display to luminescence immunoassay. These materials essentially convert one type of energy in to visible radiation and hence, phosphor materials are called optical transducer. They are generally crystalline in nature. Phosphors with high quantum efficiency, effective excitation and absorption, colour parity, longer ifetime and lower cost, as well as better morphology are required. Surface properties have important function for hosphors.Spherical phosphors are optimum morphology in application. The spherical particles are easy to be packed density so that the screen and display can obtain high definition. In addition the dense packed small particles can prevent phosphors from aging.
| Author | : Ratnesh Tiwari |
| Publisher | : Walter de Gruyter GmbH & Co KG |
| Total Pages | : 258 |
| Release | : 2021-12-20 |
| Genre | : Science |
| ISBN | : 3110676451 |
Phosphors are often consisting of transition-metal compounds or rare-earth compounds, with the most common application being displays and fluorescent light. This book will guide the reader through the latest developments in thermo-, electro-, mechano- and bioluminescence of rare earth phosphors and crystals. Also, the effect of doping will be discussed.
| Author | : Cornelis R. Ronda |
| Publisher | : John Wiley & Sons |
| Total Pages | : 276 |
| Release | : 2007-11-30 |
| Genre | : Science |
| ISBN | : 3527621059 |
In this, the only up-to-date book on this key technology, the number-one expert in the field perfectly blends academic knowledge and industrial applications. Adopting a didactical approach, Professor Ronda discusses all the underlying principles, such that both researchers as well as beginners in the field will profit from this book. The focus is on the inorganic side and the phenomena of luminescence behind the manifold applications illustrated here, including displays, LEDs, lamps, and medical applications. Valuable reading for chemists and electrochemists, as well as materials scientists, those working in the optical and chemical industry, plus lamp and lighting manufacturers.
| Author | : Vijay B. Pawade |
| Publisher | : CRC Press |
| Total Pages | : 213 |
| Release | : 2018-09-03 |
| Genre | : Technology & Engineering |
| ISBN | : 0429943229 |
This text deals with the advantages of rare earth activated phosphors for the development of solid state lighting technology and in enhancing the light conversion efficiency of Si solar cells. The book initiates with a short overview of the atomic and semiconductor theory followed by introduction to phosphor, its working mechanism, role of rare earth ions in the lighting and PV devices and host materials being used. Further, it introduces the applications of inorganic phosphor for the development of green energy and technology including advantages of UP/DC conversion phosphor layers in the enhancing the cell response of PV devices. Key Features: Focuses on discussion of phosphors for both solid state lighting and photovoltaics applications Provides introduction for practical applications including synthesis and characterization of phosphor materials Includes broad, in-depth introduction of semiconductors and related theory Enhances the basic understanding of optical properties for rare earth phosphors Covers up-conversion and down-conversion phosphor for energy harvesting applications
| Author | : Mihail Nazarov |
| Publisher | : CRC Press |
| Total Pages | : 458 |
| Release | : 2011-09-02 |
| Genre | : Science |
| ISBN | : 9814364053 |
This book concentrates on the luminescence and structural properties of the new generation of europium and terbium activated phosphors, associated phenomena, and related topics, from basic principles to the most recent discoveries. It summarizes the present state of the art in this rapidly growing field. The authors describe recent developments in
| Author | : Jianrong Qiu |
| Publisher | : Woodhead Publishing |
| Total Pages | : 309 |
| Release | : 2020-11-24 |
| Genre | : Technology & Engineering |
| ISBN | : 0128187727 |
Persistent Phosphors: From Fundamentals to Applications provides an introduction to the key synthesis methods, characterization methods, physical mechanisms, and applications of this important luminescent materials system. The book covers basic persistent phosphorescence, introducing concepts such as emission, luminescence, phosphorescence, persistent phosphorescence and the development of persistent phosphors. Then, synthesis methods are reviewed and the connections between synthesis methods and improved materials properties are discussed. Characterization methods to investigate the trapping and de-trapping mechanism are also presented. Other sections cover the theoretical framework and energy band engineering models and materials with a focus on activators, hosts, emission bands and excitation bands. Finally, the most relevant applications of persistent phosphors are included for use in displays, safety signs, bio-labels and energy. Persistent Phosphors is an invaluable reference for materials scientists and engineers in academia and R&D. It is a key resource for chemists and physicists. - Presents characterization techniques to reveal the photophysical and photochemical properties of defects for this important category of luminescent materials - Discusses the structural role of defects in polycrystals and the capture-storing-migration-release progress of excited carriers - Demonstrates the synthesis routes and potential applications for persistent phosphor materials
| Author | : Rainer Pöttgen |
| Publisher | : Walter de Gruyter GmbH & Co KG |
| Total Pages | : 669 |
| Release | : 2020-10-26 |
| Genre | : Science |
| ISBN | : 311065492X |
This work introduces into the chemistry, materials science and technology of Rare Earth Elements. The chapters by experienced lecturers describe comprehensively the recent studies of their characteristics, properties and applications in functional materials. Due to the broad range of covered topics as hydrogen storage materials, LEDs or permanent magnets this work gives an up-to-date presentation of this fascinating research.
| Author | : Nagaiyar Krishnamurthy |
| Publisher | : CRC Press |
| Total Pages | : 841 |
| Release | : 2015-12-02 |
| Genre | : Science |
| ISBN | : 1466576383 |
New Edition Now Covers Recycling, Environmental Issues, and Analytical DeterminationEmploying four decades of experience in the rare metal and rare earths industry, the authors of Extractive Metallurgy of Rare Earths, Second Edition present the entire subject of rare earth elements with depth and accuracy. This second edition updates the most impor
