Light Absorption Of Organic Colorants

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Light Absorption of Organic Colorants

Author : J. Fabian
Publisher : Springer Science & Business Media
ISBN 13 : 3642675875
Total Pages : 254 pages
Book Rating : 4.6/5 (426 download)

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Book Synopsis Light Absorption of Organic Colorants by : J. Fabian

Download or read book Light Absorption of Organic Colorants written by J. Fabian and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although studies on synthetic dyes have been performed for more than 100 years, their detailed elucidation requires further extensive research. The discovery of novel high polymers, the necessity of supplying a whole range of shades and increasing require ments for dyestuffs of high fastness properties give rise to a permanent search for new dyes. Extensive investigations on dyes were also occasioned by various applications in the field of spectral sensitization and of staining of biological specimens. Another more recent development concerns the lasing properties of some organic dyes. Most of the progress, however, was only achieved by time-consuming, purely empirical approaches and theoretical understanding of the dye properties is only at its very beginnings. The color is the sine qua non of every dye. For this reason organic chemists and color chemists have looked for relations between the "color and constitution" of dye molecules for a long time. This knowlege as a whole is known as "theory of color". The classic theory of color was established abou t 100 years ago by Witt and was signi ficantly extended 50 years later by W. Konig.

Handbook on Natural Pigments in Food and Beverages

Author : Ralf Schweiggert
Publisher : Elsevier
ISBN 13 : 0323996094
Total Pages : 643 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Handbook on Natural Pigments in Food and Beverages by : Ralf Schweiggert

Download or read book Handbook on Natural Pigments in Food and Beverages written by Ralf Schweiggert and published by Elsevier. This book was released on 2023-10-24 with total page 643 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook on Natural Pigments in Food and Beverages: Industrial Applications for Improving Color, Second Edition focuses on a color solution for a specific commodity, providing food scientists with a one-stop, comprehensive reference on how to improve the color of a particular food product. The book includes two new chapters that highlight the physical and biological fundamentals of color, as well as the specific use of curcumin and carthamin. Sections focus on specific industrial applications of natural colorants, with chapters covering the use of natural colorants in a variety of products. Other sections highlight technical formulation and potential health benefits of specific colorants. Various pigments which can be used to effectively color food and beverage commodities are presented with information on safety and testing throughout. - Provides a fully revised and updated resource on current regulatory standards and legislation - Includes new chapters on both emerging ingredients and the latest technologies - Focuses on the use of natural food colorants by specific product category per chapter rather than one pigment class per chapter - Contains a current and comprehensive overview of product-specific coloration approaches

Color Chemistry

Author : Heinrich Zollinger
Publisher : John Wiley & Sons
ISBN 13 : 9783906390239
Total Pages : 656 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Color Chemistry by : Heinrich Zollinger

Download or read book Color Chemistry written by Heinrich Zollinger and published by John Wiley & Sons. This book was released on 2003 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the ten years since publication of the second edition of Heinrich Zollinger's "Color Chemistry", significant trends in colorant research and application have become important. Particular emphasis is given to the discussion of the synthesis, properties, and application of pigments.

Metal-Free Synthetic Organic Dyes

Author : Ghodsi Mohammadi Ziarani
Publisher : Elsevier
ISBN 13 : 0128156481
Total Pages : 288 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Metal-Free Synthetic Organic Dyes by : Ghodsi Mohammadi Ziarani

Download or read book Metal-Free Synthetic Organic Dyes written by Ghodsi Mohammadi Ziarani and published by Elsevier. This book was released on 2018-07-25 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal- Free Synthetic Organic Dyes is a comprehensive guide to the synthetic, organic dyes that are classified by their chemical structure. As synthetic dyes are playing an increasingly important role in modern life, with applications in both industry and scientific research, this book provides insights on the many research attempts that have been made to explore new photosensitizers in the development of dye sensitized solar cells (DSCs). These novel photosensitizers have incorporated, within their structure, different organic groups, such as coumarins, cyanines, hemicyanines, indolines, triphenylamines, bis(dimethylfluorenyl) aminophenyls, phenothiazines, tetrahydroquinolines, carbazoles, polyenes, fluorenes, and many others. This comprehensive resource contains color figures and schemes for each dye discussed, and is an invaluable resource for organic, inorganic and analytical chemists working in academia and industry. - Features a discussion of the synthesis of the new, high-value synthetic dyes and pigments and their applications and performance - Includes coverage of new photosensitizers and their role in the development of dye sensitized solar cells (DSCs) - Covers synthesis of the functional dyes that are ideal for applications in the dye and pigment industry, textiles, color science, solar energy materials and solar cells, biomedical sensors, advanced materials, structure and synthesis of materials, and more

Dyes and Pigments

Author : Ahmet Gürses
Publisher : Springer
ISBN 13 : 3319338927
Total Pages : 88 pages
Book Rating : 4.3/5 (193 download)

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Book Synopsis Dyes and Pigments by : Ahmet Gürses

Download or read book Dyes and Pigments written by Ahmet Gürses and published by Springer. This book was released on 2016-05-04 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book the authors go back to basics to describe the structural differences between dyes and pigments, their mechanisms of action, properties and applications. They set the scene by explaining the reasons behind these differences and show how dyes are predominately organic compounds that dissolve or react with substrates, whereas pigments are (predominantly) finely ground inorganic substances that are insoluble and therefore have a different mode of coloring. They also describe the role of functional groups and their effect on dyeing ability, contrasting this with the way in which pigments cause surface reflection (or light absorption) depending on their chemical and crystalline structure and relative particle size. The book explores the environmental impact of dyes in a section that covers the physical, chemical, toxicological, and ecological properties of dyes and how these are used to assess their effect on the environment and to estimate whether a given product presents a potential hazard. Lastly, it assesses how, in addition to their traditional uses in the textile, leather, paper, paint and varnish industries, dyes and pigments are indispensable in other fields such as microelectronics, medical diagnostics, and in information recording techniques.

Encyclopedia of Color Science and Technology

Author : Renzo Shamey
Publisher : Springer Nature
ISBN 13 : 3030898628
Total Pages : 1634 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis Encyclopedia of Color Science and Technology by : Renzo Shamey

Download or read book Encyclopedia of Color Science and Technology written by Renzo Shamey and published by Springer Nature. This book was released on 2023-09-29 with total page 1634 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fully revised and expanded 2nd edition provides a single authoritative resource describing the concepts of color and the application of color science across research and industry. Significant changes for the 2nd edition include: New and expanded sections on color engineering More entries on fundamental concepts of color science and color terms Many additional entries on specific materials Further material on optical concepts and human visual perception Additional articles on organisations, tools and systems relevant to color A new set of entries on 3D presentation of color In addition, many of the existing entries have been revised and updated to ensure that the content of the encyclopedia is current and represents the state of the art. The work covers the full gamut of color: the fundamentals of color science; the physics and chemistry; color as it relates to optical phenomena and the human visual system; and colorants and materials. The measurement of color is described through entries on colorimetry, color spaces, color difference metrics, color appearance models, color order systems and cognitive color. The encyclopedia also has extensive coverage of applications throughout industry, including color imaging, color capture, display and printing, and descriptions of color encodings, color management, processing color and applications relating to color synthesis for computer graphics are included. The broad scope of the work is illustrated through entries on color in art conservation, color and architecture, color and education, color and culture, and biographies of some of the key figures involved in color research throughout history. With over 250 entries from color science researchers across academia and industry, this expanded 2nd edition of the Encyclopedia of Color Science and Technology remains the most important single resource in color science.

Near-Infrared Dyes for High Technology Applications

Author : S. Daehne
Publisher : Springer Science & Business Media
ISBN 13 : 9401151024
Total Pages : 452 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Near-Infrared Dyes for High Technology Applications by : S. Daehne

Download or read book Near-Infrared Dyes for High Technology Applications written by S. Daehne and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the results of the NATO Advanced Research Workshop on "Syntheses, Optical Properties, and Applications of Near-Infrared (NIR) Dyes in High Technology Fields" held at Trest (Czech Republic) from September 24 to 27, 1997. It was attended by 52 scientists from 16 countries, among them 18 participants from 8 Eastern-Europe. The Workshop has been stimulated by the great progress that has been made in utilizing NIR dyes in high technology areas. This has been triggered by the availability of reliable. vel)' small, and inexpensive laser diodes emitting in the NIR region which raise the analytical detection limits by several orders of magnitude, allow time-resolved measurements for temporal discrimination between spectrally similar species, and make possible miniaturization as well as remote sensing through space and by fiber optical techniques. Furthermore, NIR dyes proved to be vel)' important in other high technology fields such as laser physics, optical recording techniques, nonlinear optics, biochemistty and medicine.

Infrared Absorbing Dyes

Author : Masaru Matsuoka
Publisher : Springer Science & Business Media
ISBN 13 : 9780306434785
Total Pages : 248 pages
Book Rating : 4.4/5 (347 download)

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Book Synopsis Infrared Absorbing Dyes by : Masaru Matsuoka

Download or read book Infrared Absorbing Dyes written by Masaru Matsuoka and published by Springer Science & Business Media. This book was released on 1990-12-31 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: New laser technology has developed a new dye chemistry! Development of the gallium-arsenic semiconductor laser (diode laser) that emits laser light at 780-830 nm has made possible development of new opto-electronic systems including laser optical recording systems, thermal writing display systems, laser printing systems, and so on. Medical applications of lasers in photodynamic therapy for the treatment of cancer were also developed. In such systems, the infrared absorbing dyes OR dyes) are currently used as effective photoreceivers for diode lasers, and will become the key materials in high technology. At the present time the chemistry of IR dyes is the most important and interesting field in dye chemistry. Laser light can be highly monochromatic, very well collimated, coher ent, and, in some cases, extremely powerful. These characteristics make diode lasers a very cheap, convenient, and useful light source for a variety of applications in science and technology. For these purposes, however, IR dyes with special characteristics are required. To develop new IR dyes, it is most important to establish the correlation between the chemical structures of dyes and other characteristics of dyes, such as their absorption spectra. Molecular design of IR dyes predicting the Amax and Emax values by molecular orbital (MO) calculations is now possible even by using a personal computer, and many types of new IR dyes have been demonstrated. Also, new opto-electronic systems using IR dyes as photoreceivers have been reported recently.

Counter Electrodes for Dye-Sensitized and Perovskite Solar Cells (2 Vols.)

Author : Sining Yun
Publisher : John Wiley & Sons
ISBN 13 : 3527413677
Total Pages : 658 pages
Book Rating : 4.5/5 (274 download)

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Book Synopsis Counter Electrodes for Dye-Sensitized and Perovskite Solar Cells (2 Vols.) by : Sining Yun

Download or read book Counter Electrodes for Dye-Sensitized and Perovskite Solar Cells (2 Vols.) written by Sining Yun and published by John Wiley & Sons. This book was released on 2019-01-04 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to one of the most important aspects for affordable and highly efficient dye-sensitized solar cells Dye-sensitized solar cells have the potential to be one of the most promising photovoltaic technologies for production of renewable and clean energy. Counter Electrodes for Dye-Sensitized and Perovskite Solar Cells offers an introduction to the various types of counter electrode catalysts for dye-sensitized solar cells and perovskite solar cells, including metal and metal compounds, carbon materials, polymers, and composites. With contributions from an international panel of experts, the book contains a discussion of the design and synthesis of the catalysts, characterization and stability of the devices, as well as calculations on properties. The contributors cover a wide range of topics including information on: carbon nanotubes electrocatalysts for I-mediated dye-sensitized solar cells; Pt-loaded composite electrocatalysts for I-mediated dye-sensitized solar cells; metal contact electrodes for perovskite solar cells; and much more. The book also includes insight into the future developments in the field. This important resource Covers the various types of counter electrode catalysts and presents design strategies, synthesis methods, theoretical calculation and stability evaluation Includes information on low-cost counter electrode catalysts and commercial applications of dye-sensitized sensitized solar cells Disscuses how electrode catalysts can be applied in a range of fields, such as solar cells, fuel cells, hydrogen production, and photocatalysis Offers contributions from leading experts in the field including Anders Hagfeldt, one of the world's leading researchers in this field Written for materials scientists, solid state chemists, electrochemists, catalytic chemists, solid state physicists, and chemical industry professionals, Counter Electrodes for Dye-Sensitized and Perovskite Solar Cells is a comprehensive and authoritative guide to dye-sensitized solar cells.

Introduction to Fluorescence Sensing

Author : Alexander P. Demchenko
Publisher : Springer Nature
ISBN 13 : 3030601552
Total Pages : 673 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis Introduction to Fluorescence Sensing by : Alexander P. Demchenko

Download or read book Introduction to Fluorescence Sensing written by Alexander P. Demchenko and published by Springer Nature. This book was released on 2020-12-01 with total page 673 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides systematic knowledge of basic principles in the design of fluorescence sensing and imaging techniques together with critical analysis of recent developments. Fluorescence is the most popular technique in chemical and biological sensing because of its ultimate sensitivity, high temporal and spatial resolution and versatility that enables imaging within the living cells. It develops rapidly in the directions of constructing new molecular recognition units, new fluorescence reporters and in improving sensitivity of response up to detection of single molecules. Its application areas range from control of industrial processes to environment monitoring and clinical diagnostics. Being a guide for students and young researchers, it also addresses professionals involved in active basic and applied research. Making a strong link between education, research and product development, this book discusses prospects for future progress.

Dyes and Chromophores in Polymer Science

Author : Jacques Lalevée
Publisher : John Wiley & Sons
ISBN 13 : 1848217420
Total Pages : 452 pages
Book Rating : 4.8/5 (482 download)

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Book Synopsis Dyes and Chromophores in Polymer Science by : Jacques Lalevée

Download or read book Dyes and Chromophores in Polymer Science written by Jacques Lalevée and published by John Wiley & Sons. This book was released on 2015-06-15 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design and development of dyes and chromophores have recently attracted much attention in various research fields such as materials, radiation curing, (laser) imaging, optics, medicine, microelectronics, nanotechnology, etc.. In this book, the recent research for the use of dyes and chromophores in polymer science is presented. The interaction of the visible light with the dyes or the selected chromophores is particularly important in different fields (e.g. for photovoltaic, display applications (LED ...), laser imaging or laser direct writing, green chemistry with sunlight induced photopolymerization etc ...). This book gives an overview of the dyes and chromophores for all the important fields.

Potential Development in Dye-Sensitized Solar Cells for Renewable Energy

Author : Alagarsamy Pandikumar
Publisher : Trans Tech Publications Ltd
ISBN 13 : 3038262900
Total Pages : 178 pages
Book Rating : 4.0/5 (382 download)

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Book Synopsis Potential Development in Dye-Sensitized Solar Cells for Renewable Energy by : Alagarsamy Pandikumar

Download or read book Potential Development in Dye-Sensitized Solar Cells for Renewable Energy written by Alagarsamy Pandikumar and published by Trans Tech Publications Ltd. This book was released on 2013-10-25 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special topic volume with invited peer reviewed papers only.

The Chemistry and Application of Dyes

Author : David R. Waring
Publisher : Springer Science & Business Media
ISBN 13 : 1468477153
Total Pages : 423 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis The Chemistry and Application of Dyes by : David R. Waring

Download or read book The Chemistry and Application of Dyes written by David R. Waring and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is particularly appropriate that a volume concerned with dye chemistry should be included in the series Topics in Applied Chemistry. The development of the dye industry has been inexorably linked not only with the development of the chemical industry but also with organic chemistry itself since the middle of the last century. The position of dye chemistry at the forefront of chemical 1945 and more markedly so during the last advance has declined somewhat since 15 years, with pharmaceutical and medicinal chemistry assuming an increasingly prominent position. Nevertheless, dye production still accounts for a significant portion of the business of most major chemical companies. The field of dye chemistry has stimulated the publication of many books over the years but surprisingly few have concentrated on or even included the practical aspects of dye synthesis and application. Thus, the present volume is designed to fulfill that need and provide the reader with an account of advances in dye chemistry, concentrating on more recent work and giving, in a single volume, synthetic detail and methods of application of the most important classes, information which will be invaluable to both student and research chemist alike.

Fiber Solar Cells

Author : Shaocong Hou
Publisher : Springer
ISBN 13 : 9811028648
Total Pages : 122 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Fiber Solar Cells by : Shaocong Hou

Download or read book Fiber Solar Cells written by Shaocong Hou and published by Springer. This book was released on 2017-01-23 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents the fundamental research and latest findings on novel flexible/wearable photovoltaic technology, and comprehensively summarizes the rapid developments in flexible photovoltaics, from traditional planar solar cells to fiber solar cells. It discusses the rational design of fiber solar cell materials, electrodes and devices, as well as critical factors including cost, efficiency, flexibility and stability . Furthermore, it addresses fundamental theoretical principles and novel fabrication technologies and their potential applications. The book provides practical information for university researchers and graduate students interested in flexible fiber photovoltaics, and inspires them to design other novel flexible/wearable electronics and textiles.

Green Chemistry for Dyes Removal from Waste Water

Author : Sanjay K. Sharma
Publisher : John Wiley & Sons
ISBN 13 : 1118721187
Total Pages : 412 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Green Chemistry for Dyes Removal from Waste Water by : Sanjay K. Sharma

Download or read book Green Chemistry for Dyes Removal from Waste Water written by Sanjay K. Sharma and published by John Wiley & Sons. This book was released on 2015-02-25 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of synthetic chemical dyes in various industrial processes, including paper and pulp manufacturing, plastics, dyeing of cloth, leather treatment and printing, has increased considerably over the last few years, resulting in the release of dye-containing industrial effluents into the soil and aquatic ecosystems. The textile industry generates high-polluting wastewaters and their treatment is a very serious problem due to high total dissolved solids (TDS), presence of toxic heavy metals, and the non-biodegradable nature of the dyestuffs in the effluent. The chapters in this book provide an overview of the problem and its solution from different angles. These problems and solutions are presented in a genuinely holistic way by world-renowned researchers. Discussed are various promising techniques to remove dyes, including the use of nanotechnology, ultrasound, microwave, catalysts, biosorption, enzymatic treatments, advanced oxidation processes, etc., all of which are "green." Green Chemistry for Dyes Removal from Wastewater comprehensively discusses: Different types of dyes, their working and methodologies and various physical, chemical and biological treatment methods employed Application of advanced oxidation processes (AOPs) in dye removal whereby highly reactive hydroxyl radicals are generated chemically, photochemically and/or by radiolytic/ sonolytic means. The potential of ultrasound as an AOP is discussed as well. Nanotechnology in the treatment of dye removal types of adsorbents for removal of toxic pollutants from aquatic systems Photocatalytic oxidation process for dye degradation under both UV and visible light, application of solar light and solar photoreactor in dye degradation

Pore Filling and Light Trapping in Solid-state Dye-sensitized Solar Cells

Author : I-Kang Ding
Publisher : Stanford University
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Pore Filling and Light Trapping in Solid-state Dye-sensitized Solar Cells by : I-Kang Ding

Download or read book Pore Filling and Light Trapping in Solid-state Dye-sensitized Solar Cells written by I-Kang Ding and published by Stanford University. This book was released on 2011 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dye-sensitized solar cells (DSCs) are among the promising photovoltaic technologies that could potentially replace the expensive silicon. Liquid electrolyte-based DSCs have the highest efficiency but they suffer from potential stability and encapsulation problems when manufactured at high volumes. Research groups are actively pursuing solid state dye-sensitized solar cells (ss-DSCs), which uses a solid-state hole-transport material to replace the liquid electrolyte. SS-DSCs can potentially achieve higher power conversion efficiencies than the liquid-electrolyte because the open-circuit voltage can be adjusted by the choice of different hole-transport materials. However, current ss-DSCs are limited by both pore filling and electron-hole recombination such that the optimal thickness is around 2 microns, far thinner than the thickness needed to achieve good optical absorption. This thesis presents results that address two challenges facing the field of ss-DSC research - what is limiting the thickness of the device, and what can we do to boost light absorption and power conversion efficiency? In the first part, we describe how pore filling of hole-transport materials inside mesoporous TiO2 films is a limiting factor to the device thickness. This is accomplished by three closely-related pore filling projects: (a) quantifying the pore filling of hole-transport materials inside mesoporous TiO2 films; (b) experimenting with new methods to improve pore filling fraction; and (c) investigating the effect of pore filling on photovoltaic performances of ss-DSCs and the underlying photophysical mechanisms. This brings new physical understanding of the importance of pore filling and how pore filling a effects the photovoltaic performances. In the second part, we describe a new device architecture to increase the absorption through the use of plasmonic back reectors, which consist of two-dimensional (2D) array of silver nanodomes. They are incorporated into the ss-DSCs by nanoimprint lithography, and they enhance absorption through excitation of plasmonic modes and increased light scattering.

Solar Energy Conversion and Storage

Author : Suresh C. Ameta
Publisher : CRC Press
ISBN 13 : 1482246317
Total Pages : 280 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Solar Energy Conversion and Storage by : Suresh C. Ameta

Download or read book Solar Energy Conversion and Storage written by Suresh C. Ameta and published by CRC Press. This book was released on 2015-11-05 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solar Energy Conversion and Storage: Photochemical Modes showcases the latest advances in solar cell technology while offering valuable insight into the future of solar energy conversion and storage. Focusing on photochemical methods of converting and/or storing light energy in the form of electrical or chemical energy, the book:Describes various t