Next Generation Multilayer Graded Bandgap Solar Cells

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Next Generation Multilayer Graded Bandgap Solar Cells

Author : A. A. Ojo
Publisher : Springer
ISBN 13 : 3319966677
Total Pages : 254 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Next Generation Multilayer Graded Bandgap Solar Cells by : A. A. Ojo

Download or read book Next Generation Multilayer Graded Bandgap Solar Cells written by A. A. Ojo and published by Springer. This book was released on 2018-08-16 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will guide Photovoltaics researchers in a new way of thinking about harvesting light energy from all wavelengths of the solar spectrum. It closes the gap between general solar cells books and photovoltaics journal articles, by focusing on the latest developments in our understanding of solid-state device physics. The material presented is experimental and based on II-VI thin-film materials, mainly CdTe-based solar cells. The authors describe the use of new device design, based on multilayer graded bandgap configuration, using CdTe-based solar cells. The authors also explain how the photo-generated currents can be enhanced using multi-step charge carrier production. The possibility of fabricating these devices using low-cost and scalable electroplating is demonstrated. The value of electroplating for large area electronic devices such as PV solar panels, display devices and nano-technology devices are also demonstrated. By enabling new understanding of the engineering of electroplated semiconductor materials and providing an overview of the semiconductor physics and technology, this practical book is ideal to guide researchers, engineers, and manufacturers on future solar cell device designs and fabrications. Discusses in detail the processes of growths, treatments, solar cell device fabrication and solid state physics, improving readers’ understanding of fundamental solid state physics; Enables future improvements in CdTe-based device efficiency; Explains the significance of defects in deposited semiconductor materials and interfaces that affect the material properties and resulting device performance.

Engineering of Electroplated Materials for Multilayer Next Generation Graded Bandgap Solar Cells

Author : Ayotunde Adigun Ojo
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Engineering of Electroplated Materials for Multilayer Next Generation Graded Bandgap Solar Cells by : Ayotunde Adigun Ojo

Download or read book Engineering of Electroplated Materials for Multilayer Next Generation Graded Bandgap Solar Cells written by Ayotunde Adigun Ojo and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Green Sustainable Process for Chemical and Environmental Engineering and Science

Author : Inamuddin
Publisher : Elsevier
ISBN 13 : 0128225564
Total Pages : 432 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Green Sustainable Process for Chemical and Environmental Engineering and Science by : Inamuddin

Download or read book Green Sustainable Process for Chemical and Environmental Engineering and Science written by Inamuddin and published by Elsevier. This book was released on 2021-03-18 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green Sustainable Process for Chemical and Environmental Engineering and Science: Solid State Synthetic Methods cover recent advances made in the field of solid-state materials synthesis and its various applications. The book provides a brief introduction to the topic and the fundamental principles governing the various methods. Sustainable techniques and green processes development in solid-state chemistry are also highlighted. This book also provides a comprehensive literature on the industrial application using solid-state materials and solid-state devices. Overall, this book is intended to explore green solid-state techniques, eco-friendly materials involved in organic synthesis and real-time applications. Provides a broad overview of solid-state chemistry Outlines an eco-friendly solid-state synthesis of modern nanomaterials, organometallic, coordination compounds and pure organic Gives a detailed account of solid-state chemistry, fundamentals, concepts, techniques and applications Deliberates cutting-edge recent advances in industrial technologies involved in energy, environmental, medicinal and organic chemistry fields

Advances in Thin-Film Solar Cells

Author : I. M. Dharmadasa
Publisher : CRC Press
ISBN 13 : 0429668384
Total Pages : 378 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Advances in Thin-Film Solar Cells by : I. M. Dharmadasa

Download or read book Advances in Thin-Film Solar Cells written by I. M. Dharmadasa and published by CRC Press. This book was released on 2018-09-05 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solar energy conversion plays a very important role in the rapid introduction of renewable energy, which is essential to meet future energy demands without further polluting the environment, but current solar panels based on silicon are expensive due to the cost of raw materials and high energy consumption during production. The way forward is to move towards thin-film solar cells using alternative materials and low-cost manufacturing methods. The photovoltaic community is actively researching thin-film solar cells based on amorphous silicon, cadmium telluride (CdTe), copper indium gallium diselenide (CIGS), and dye-sensitised and organic materials. However, progress has been slow due to a lack of proper understanding of the physics behind these devices. This book concentrates on the latest developments and attempts to improve our understanding of solid-state device physics. The material presented is mainly experimental and based on CdTe thin-film solar cells. The author extends these new findings to CIGS thin-film solar cells and presents a new device design based on graded bandgap multi-layer solar cells. This design has been experimentally tested using the well-researched GaAs/AlGaAs system, and initial devices have shown impressive device parameters. These devices are capable of absorbing all radiation (UV, visible and infra-red) within the solar spectrum and combine "impact ionisation" and "impurity photovoltaic" effects. The improved device understanding presented in this book should impact and guide future photovoltaic device development and low-cost thin-film solar panel manufacture. This new edition features an additional chapter besides exercises and their solutions, which will be useful for academics teaching in this field.

Theory of Graded-Bandgap Thin-Film Solar Cells

Author : Faiz Ahmad
Publisher : Springer
ISBN 13 : 9783031008962
Total Pages : 118 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Theory of Graded-Bandgap Thin-Film Solar Cells by : Faiz Ahmad

Download or read book Theory of Graded-Bandgap Thin-Film Solar Cells written by Faiz Ahmad and published by Springer. This book was released on 2021-08-24 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thin-film solar cells are cheap and easy to manufacture but require improvements as their efficiencies are low compared to that of the commercially dominant crystalline-silicon solar cells. An optoelectronic model is formulated and implemented along with the differential evolution algorithm to assess the efficacy of grading the bandgap of the CIGS, CZTSSe, and AlGaAs photon-absorbing layer for optimizing the power-conversion efficiency of thin-film CIGS, CZTSSe, and AlGaAs solar cells, respectively, in the two-terminal single-junction format. Each thin-film solar cell is modeled as a photonic device as well as an electronic device. Solar cells with two (or more) photon-absorbing layers can also be handled using the optolelectronic model, whose results will stimulate experimental techniques for bandgap grading to enable ubiquitous small-scale harnessing of solar energy.

Next Generation Photovoltaics

Author : A. Martí
Publisher : CRC Press
ISBN 13 : 1420033867
Total Pages : 341 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Next Generation Photovoltaics by : A. Martí

Download or read book Next Generation Photovoltaics written by A. Martí and published by CRC Press. This book was released on 2003-09-01 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although photovoltaics are regarded by many as the most likely candidate for long term sustainable energy production, their implementation has been restricted by the high costs involved. Nevertheless, the theoretical limit on photovoltaic energy conversion efficiency-above 85%-suggests that there is room for substantial improvement of current comme

Graded Bandgap Solar Cells

Author : Larry C. Olsen
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Graded Bandgap Solar Cells by : Larry C. Olsen

Download or read book Graded Bandgap Solar Cells written by Larry C. Olsen and published by . This book was released on 1984 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Graded bandgap solar cells were investigated that have a structure consisting of an N-type graded emitter and a base region with a constant bandgap. The emitter bandgap was 2.1 eV at the front surface and then graded to 1.74 eV at the N/P homojunction based on a 1.74 eV bandgap. The Aluminum Gallium Arsenide homojunction had a maximum value for internal photoresponse of 20% while the graded bandgap cell exhibited a peak value of 80%. Analyses of photoresponse data indicates the Aluminum Gallium Gallium Arsenide homojunctions are characterized by minority carrier diffusion lengths of only .03 micrometers in the emitter and 0.1 micrometers in the base. Thus, the effective field resulting from the graded emitter in the graded bandgap cell is necessary for an adequate photoresponse. Investigations of heteroface Gallium Arsenide solar cells continued with the purpose of building a data base for processing technology and characterization techniques. GaAs solar cells were fabricated with efficiencies over 17% using a P/N homojunction structure ans A1GaAs heteroface. Electro-optical characterization of GaAs cells has resulted in improved understanding of minority carrier properties, surface recombination velocity and current loss mechanisms. Keywords: Space power.

CulnSe2 Based Solar Cells: Simulation of Graded Bandgap Options, and Materials Measurements

Author : Ajay Dhingra
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (288 download)

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Book Synopsis CulnSe2 Based Solar Cells: Simulation of Graded Bandgap Options, and Materials Measurements by : Ajay Dhingra

Download or read book CulnSe2 Based Solar Cells: Simulation of Graded Bandgap Options, and Materials Measurements written by Ajay Dhingra and published by . This book was released on 1993 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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

Thin-Film Silicon Solar Cells

Author : Arvind Victor Shah
Publisher : CRC Press
ISBN 13 : 1439808104
Total Pages : 440 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Thin-Film Silicon Solar Cells by : Arvind Victor Shah

Download or read book Thin-Film Silicon Solar Cells written by Arvind Victor Shah and published by CRC Press. This book was released on 2010-08-19 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photovoltaic technology has now developed to the extent that it is close to fulfilling the vision of a "solar-energy world," as devices based on this technology are becoming efficient, low-cost and durable. This book provides a comprehensive treatment of thin-film silicon, a prevalent PV material, in terms of its semiconductor nature, starting out with the physical properties, but concentrating on device applications. A special emphasis is given to amorphous silicon and microcrystalline silicon as photovoltaic materials, along with a model that allows these systems to be physically described in the simplest manner possible, thus allowing the student or scientist/engineer entering the field of thin-film electronics to master a few basic concepts that are distinct from those in the field of conventional semiconductors. The main part of the book deals with solar cells and modules by illustrating the basic functioning of these devices, along with their limitations, design optimization, testing and fabrication methods. Among the manufacturing processes discussed are plasma-assisted and hot-wire deposition, sputtering, and structuring techniques.

Nanostructured Materials for Type III Photovoltaics

Author : Peter Skabara
Publisher : Royal Society of Chemistry
ISBN 13 : 178801250X
Total Pages : 532 pages
Book Rating : 4.7/5 (88 download)

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Book Synopsis Nanostructured Materials for Type III Photovoltaics by : Peter Skabara

Download or read book Nanostructured Materials for Type III Photovoltaics written by Peter Skabara and published by Royal Society of Chemistry. This book was released on 2017-11-08 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials for type III solar cells have branched into a series of generic groups. These include organic ‘small molecule’ and polymer conjugated structures, fullerenes, quantum dots, copper indium gallium selenide nanocrystal films, dyes/TiO2 for Grätzel cells, hybrid organic/inorganic composites and perovskites. Whilst the power conversion efficiencies of organic solar cells are modest compared to other type III photovoltaic materials, plastic semiconductors provide a cheap route to manufacture through solution processing and offer flexible devices. However, other types of materials are proving to be compatible with this type of processing whilst providing higher device efficiencies. As a result, the field is experiencing healthy competition between technologies that is pushing progress at a fast rate. In particular, perovskite solar cells have emerged very recently as a highly disruptive technology with power conversion efficiencies now over 20%. Perovskite cells, however, still have to address stability and environmental issues. With such a diverse range of materials, it is timely to capture the different technologies into a single volume of work. This book will give a collective insight into the different roles that nanostructured materials play in type III solar cells. This will be an essential text for those working with any of the devices highlighted above, providing a fundamental understanding and appreciation of the potential and challenges associated with each of these technologies.

The Physics of Solar Cells

Author : Jenny Nelson
Publisher : World Scientific Publishing Company
ISBN 13 : 1848168233
Total Pages : 384 pages
Book Rating : 4.8/5 (481 download)

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Book Synopsis The Physics of Solar Cells by : Jenny Nelson

Download or read book The Physics of Solar Cells written by Jenny Nelson and published by World Scientific Publishing Company. This book was released on 2003-05-09 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive introduction to the physics of the photovoltaic cell. It is suitable for undergraduates, graduate students, and researchers new to the field. It covers: basic physics of semiconductors in photovoltaic devices; physical models of solar cell operation; characteristics and design of common types of solar cell; and approaches to increasing solar cell efficiency. The text explains the terms and concepts of solar cell device physics and shows the reader how to formulate and solve relevant physical problems. Exercises and worked solutions are included.

Nanostructured Solar Cells

Author : Narottam Das
Publisher : BoD – Books on Demand
ISBN 13 : 953512935X
Total Pages : 316 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Nanostructured Solar Cells by : Narottam Das

Download or read book Nanostructured Solar Cells written by Narottam Das and published by BoD – Books on Demand. This book was released on 2017-02-22 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured solar cells are very important in renewable energy sector as well as in environmental aspects, because it is environment friendly. The nano-grating structures (such as triangular or conical shaped) have a gradual change in refractive index which acts as a multilayer antireflective coating that is leading to reduced light reflection losses over broadband ranges of wavelength and angle of incidence. There are different types of losses in solar cells that always reduce the conversion efficiency, but the light reflection loss is the most important factor that decreases the conversion efficiency of solar cells significantly. The antireflective coating is an optical coating which is applied to the surface of lenses or any optical devices to reduce the light reflection losses. This coating assists for the light trapping capturing capacity or improves the efficiency of optical devices, such as lenses or solar cells. Hence, the multilayer antireflective coatings can reduce the light reflection losses and increases the conversion efficiency of nanostructured solar cells.

Photon Management in Solar Cells

Author : Ralf B. Wehrspohn
Publisher : John Wiley & Sons
ISBN 13 : 3527665684
Total Pages : 376 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Photon Management in Solar Cells by : Ralf B. Wehrspohn

Download or read book Photon Management in Solar Cells written by Ralf B. Wehrspohn and published by John Wiley & Sons. This book was released on 2015-04-02 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by renowned experts in the field of photon management in solar cells, this one-stop reference gives an introduction to the physics of light management in solar cells, and discusses the different concepts and methods of applying photon management. The authors cover the physics, principles, concepts, technologies, and methods used, explaining how to increase the efficiency of solar cells by splitting or modifying the solar spectrum before they absorb the sunlight. In so doing, they present novel concepts and materials allowing for the cheaper, more flexible manufacture of solar cells and systems. For educational purposes, the authors have split the reasons for photon management into spatial and spectral light management. Bridging the gap between the photonics and the photovoltaics communities, this is an invaluable reference for materials scientists, physicists in industry, experimental physicists, lecturers in physics, Ph.D. students in physics and material sciences, engineers in power technology, applied and surface physicists.

Metalorganic Vapor Phase Epitaxy (MOVPE)

Author : Stuart Irvine
Publisher : John Wiley & Sons
ISBN 13 : 1119313015
Total Pages : 582 pages
Book Rating : 4.1/5 (193 download)

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Book Synopsis Metalorganic Vapor Phase Epitaxy (MOVPE) by : Stuart Irvine

Download or read book Metalorganic Vapor Phase Epitaxy (MOVPE) written by Stuart Irvine and published by John Wiley & Sons. This book was released on 2019-10-07 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systematically discusses the growth method, material properties, and applications for key semiconductor materials MOVPE is a chemical vapor deposition technique that produces single or polycrystalline thin films. As one of the key epitaxial growth technologies, it produces layers that form the basis of many optoelectronic components including mobile phone components (GaAs), semiconductor lasers and LEDs (III-Vs, nitrides), optical communications (oxides), infrared detectors, photovoltaics (II-IV materials), etc. Featuring contributions by an international group of academics and industrialists, this book looks at the fundamentals of MOVPE and the key areas of equipment/safety, precursor chemicals, and growth monitoring. It covers the most important materials from III-V and II-VI compounds to quantum dots and nanowires, including sulfides and selenides and oxides/ceramics. Sections in every chapter of Metalorganic Vapor Phase Epitaxy (MOVPE): Growth, Materials Properties and Applications cover the growth of the particular materials system, the properties of the resultant material, and its applications. The book offers information on arsenides, phosphides, and antimonides; nitrides; lattice-mismatched growth; CdTe, MCT (mercury cadmium telluride); ZnO and related materials; equipment and safety; and more. It also offers a chapter that looks at the future of the technique. Covers, in order, the growth method, material properties, and applications for each material Includes chapters on the fundamentals of MOVPE and the key areas of equipment/safety, precursor chemicals, and growth monitoring Looks at important materials such as III-V and II-VI compounds, quantum dots, and nanowires Provides topical and wide-ranging coverage from well-known authors in the field Part of the Materials for Electronic and Optoelectronic Applications series Metalorganic Vapor Phase Epitaxy (MOVPE): Growth, Materials Properties and Applications is an excellent book for graduate students, researchers in academia and industry, as well as specialist courses at undergraduate/postgraduate level in the area of epitaxial growth (MOVPE/ MOCVD/ MBE).

Chalcogenide Photovoltaics

Author : Roland Scheer
Publisher : John Wiley & Sons
ISBN 13 : 3527633723
Total Pages : 398 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Chalcogenide Photovoltaics by : Roland Scheer

Download or read book Chalcogenide Photovoltaics written by Roland Scheer and published by John Wiley & Sons. This book was released on 2011-03-31 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first comprehensive description of the most important material properties and device aspects closes the gap between general books on solar cells and journal articles on chalcogenide-based photovoltaics. Written by two very renowned authors with years of practical experience in the field, the book covers II-VI and I-III-VI2 materials as well as energy conversion at heterojunctions. It also discusses the latest semiconductor heterojunction models and presents modern analysis concepts. Thin film technology is explained with an emphasis on current and future techniques for mass production, and the book closes with a compendium of failure analysis in photovoltaic thin film modules. With its overview of the semiconductor physics and technology needed, this practical book is ideal for students, researchers, and manufacturers, as well as for the growing number of engineers and researchers working in companies and institutes on chalcogenide photovoltaics.

Clean Electricity From Photovoltaics

Author : Mary D Archer
Publisher : World Scientific
ISBN 13 : 1783262052
Total Pages : 870 pages
Book Rating : 4.7/5 (832 download)

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Book Synopsis Clean Electricity From Photovoltaics by : Mary D Archer

Download or read book Clean Electricity From Photovoltaics written by Mary D Archer and published by World Scientific. This book was released on 2001-06-04 with total page 870 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photovoltaic cells provide clean, reversible electrical power from the sun. Made from semiconductors, they are durable, silent in operation and free of polluting emissions. In this book, experts from all sectors of the PV community — materials scientists, physicists, production engineers, economists and environmentalists — give their critical appraisals of where the technology is now and what its prospects are./a