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Phosphate Phosphors for Solid-State Lighting

2012-12-15 Technology & Engineering
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Release : 2012-12-15
Genre : Technology & Engineering
Kind : eBook
Book Rating : 120/5 ( reviews)

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Book Synopsis Phosphate Phosphors for Solid-State Lighting by : Kartik N. Shinde

Download or read book Phosphate Phosphors for Solid-State Lighting written by Kartik N. Shinde. This book was released on 2012-12-15. Available in PDF, EPUB and Kindle. Book excerpt: The idea for this book arose out of the realization that, although excellent surveys and a phosphor handbook are available, there is no single source covering the area of phosphate based phosphors especially for lamp industry. Moreover, as this field gets only limited attention in most general books on luminescence, there is a clear need for a book in which attention is specifically directed toward this rapidly growing field of solid state lighting and its many applications. This book is aimed at providing a sound introduction to the synthesis and optical characterization of phosphate phosphor for undergraduate and graduate students as well as teachers and researchers. The book provides guidance through the multidisciplinary field of solid state lighting specially phosphate phosphors for beginners, scientists and engineers from universities, research organizations, and especially industry. In order to make it useful for a wide audience, both fundamentals and applications are discussed, together.

Nitride Phosphors and Solid-State Lighting

2016-04-19 Science
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Release : 2016-04-19
Genre : Science
Kind : eBook
Book Rating : 126/5 ( reviews)

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Book Synopsis Nitride Phosphors and Solid-State Lighting by : Rong-Jun Xie

Download or read book Nitride Phosphors and Solid-State Lighting written by Rong-Jun Xie. This book was released on 2016-04-19. Available in PDF, EPUB and Kindle. Book excerpt: Nitride Phosphors and Solid-State Lighting provides an in-depth introduction to the crystal chemistry, synthesis, luminescence, and applications of phosphor materials for solid-state lighting, mainly focusing on new nitride phosphors. Drawing on their extensive experimental work, the authors offer a multidisciplinary study of phosphor materials tha

Investigation of Whitlockite Structured Inorganic Phosphate Phosphor for Solid-State Lighting Applications

2019 Fluorimetry
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Release : 2019
Genre : Fluorimetry
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Investigation of Whitlockite Structured Inorganic Phosphate Phosphor for Solid-State Lighting Applications by : Obert Pradipta Golim

Download or read book Investigation of Whitlockite Structured Inorganic Phosphate Phosphor for Solid-State Lighting Applications written by Obert Pradipta Golim. This book was released on 2019. Available in PDF, EPUB and Kindle. Book excerpt: Phosphor converted white LEDs have been regarded as a reliable solid-state lighting source. Studies over the past few years have shown an increase in the development of phosphate-based phosphors, where whitlockite-structured phosphors have attracted intensive attention. In this research, the Ca9MgLi(PO4)7-based compounds activated with Pr3+/ Eu2+/Dy3+ have been investigated as a potential candidate of phosphors. The phosphor materials were synthesised through the conventional solid-state reaction method. A detailed investigation of the structure was carried out using high-resolution neutron and X-ray diffraction. Results show that the compound was comprised of 5 anionic sites. The M1, M2, and M3 sites were identified to be fully occupied with the Ca2+ and their respective activator. The M4 site was discovered to be occupied with Li+ and Mg2+, while M5 site was occupied with Ca2+ and Mg2+. The refinement results and compositional analysis using EDS shows the synthesised phosphor has a final composition that is close to the proposed formula of Ca9MgLi(PO4)7. The photoluminescence investigation on Eu2+ activated phosphors revealed that the specific phosphor has the emission peak of 412 nm under the excitation of 279 nm, which is not suitable for lighting applications. However, it indicates that the activator has three preferential sites in M2, M1, and M3, respectively. Further investigation has revealed that Pr3+ and Dy3+ have the potential for solid-state lighting applications with good thermal stability.

Optical Properties of Phosphate and Pyrophosphate Compounds

2020-12-05 Technology & Engineering
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Release : 2020-12-05
Genre : Technology & Engineering
Kind : eBook
Book Rating : 649/5 ( reviews)

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Book Synopsis Optical Properties of Phosphate and Pyrophosphate Compounds by : Ritesh L. Kohale

Download or read book Optical Properties of Phosphate and Pyrophosphate Compounds written by Ritesh L. Kohale. This book was released on 2020-12-05. Available in PDF, EPUB and Kindle. Book excerpt: An in-depth look at the luminescence of phosphor materials for applications in optical devices, sensors, and medical technologies. Optical Properties of Phosphate and Pyrophosphate Compounds gives a broad introduction to pyrophosphates and phosphate-based phosphors, including their fundamental properties, material composition, synthesis methods, characterization techniques, and applications in optical devices and technologies. The text describes the development of the materials' shape and size, as well as crucial characterization techniques for key applications. Additionally, it includes essential information about recently used single and mixed cations pyrophosphate and phosphate compounds. This book is suitable for researchers working in materials science, engineering, materials chemistry, and physics. It may also be helpful to engineers and chemists working in R&D for solid state lighting. - Includes comprehensive review of materials synthesis and characterization techniques for pyrophosphate and phosphate-based phosphor materials for key applications - Discusses the fundamentals of luminescence and the optical properties of pyrophosphate and phosphate-based phosphor material - Addresses key applications in optical devices, sensors, and medical technologies

Phosphors for Energy Saving and Conversion Technology

2018-09-03 Technology & Engineering
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Release : 2018-09-03
Genre : Technology & Engineering
Kind : eBook
Book Rating : 229/5 ( reviews)

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Book Synopsis Phosphors for Energy Saving and Conversion Technology by : Vijay B. Pawade

Download or read book Phosphors for Energy Saving and Conversion Technology written by Vijay B. Pawade. This book was released on 2018-09-03. Available in PDF, EPUB and Kindle. Book excerpt: 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

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