Process for Fabricating Polycrystalline Semiconductor Thin-Film Solar Cells, and Cells Produced Thereby PDF Download
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Languages : en
Pages : 0
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Languages : en
Pages : 0
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Languages : en
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A novel, simplified method for fabricating a thin-film semiconductor heterojunction photovoltaic device includes initial steps of depositing a layer of cadmium stannate and a layer of zinc stannate on a transparent substrate, both by radio frequency sputtering at ambient temperature, followed by the depositing of dissimilar layers of semiconductors such as cadmium sulfide and cadmium telluride, and heat treatment to convert the cadmium stannate to a substantially single-phase material of a spinel crystal structure. Preferably, the cadmium sulfide layer is also deposited by radio frequency sputtering at ambient temperature, and the cadmium telluride layer is deposited by close space sublimation at an elevated temperature effective to convert the amorphous cadmium stannate to the polycrystalline cadmium stannate with single-phase spinel structure.
Author: Jef Poortmans
Publisher: John Wiley & Sons
ISBN: 0470091266
Category : Science
Languages : en
Pages : 504
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Thin-film solar cells are either emerging or about to emerge from the research laboratory to become commercially available devices finding practical various applications. Currently no textbook outlining the basic theoretical background, methods of fabrication and applications currently exist. Thus, this book aims to present for the first time an in-depth overview of this topic covering a broad range of thin-film solar cell technologies including both organic and inorganic materials, presented in a systematic fashion, by the scientific leaders in the respective domains. It covers a broad range of related topics, from physical principles to design, fabrication, characterization, and applications of novel photovoltaic devices.
Author: K. L. Chopra
Publisher: Springer Science & Business Media
ISBN: 1489904182
Category : Science
Languages : en
Pages : 615
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Book Description
"You, 0 Sun, are the eye of the world You are the soul of all embodied beings You are the source of all creatures You are the discipline of all engaged in work" - Translated from Mahabharata 3rd Century BC Today, energy is the lifeline and status symbol of "civilized" societies. All nations have therefore embarked upon Research and Development pro grams of varying magnitudes to explore and effectively utilize renewable sources of energy. Albeit a low-grade energy with large temporal and spatial variations, solar energy is abundant, cheap, clean, and renewable, and thus presents a very attractive alternative source. The direct conver sion of solar energy to electricity (photovoltaic effect) via devices called solar cells has already become an established frontier area of science and technology. Born out of necessity for remote area applications, the first commercially manufactured solar cells - single-crystal silicon and thin film CdS/Cu2S - were available well over 20 years ago. Indeed, all space vehicles today are powered by silicon solar cells. But large-scale terrestrial applications of solar cells still await major breakthroughs in terms of discovering new and radical concepts in solar cell device structures, utilizing relatively more abundant, cheap, and even exotic materials, and inventing simpler and less energy intensive fabrication processes. No doubt, this extraordinary challenge in R/D has led to a virtual explosion of activities in the field of photovoltaics in the last several years.
Author: United States. Patent and Trademark Office
Publisher:
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Category : Patents
Languages : en
Pages : 1498
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Author: IEEE Staff
Publisher:
ISBN: 9781509027255
Category :
Languages : en
Pages :
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scientific and engineering technical conference covering all aspects of photovoltaics materials, devices, systems and reliability
Author:
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ISBN:
Category : Solar energy
Languages : en
Pages : 884
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Author: Chunfu Zhang
Publisher: Springer Nature
ISBN: 9811594805
Category : Technology & Engineering
Languages : en
Pages : 470
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Book Description
This book explores the scientific basis of the photovoltaic effect, solar cell operation, various types of solar cells, and the main process used in their manufacture. It addresses a range of topics, including the production of solar silicon; silicon-based solar cells and modules; the choice of semiconductor materials and their production-relevant costs and performance; device structures, processing, and manufacturing options for the three major thin-film PV technologies; high-performance approaches for multi-junction, concentrator, and space applications; and new types of organic polymer and dye-sensitized solar cells. The book also presents a concept for overcoming the efficiency limit of today’s solar cells. Accessible for beginners, while also providing detailed information on the physics and technology for experts, the book is a valuable resource for researchers, engineers, and graduate students in fields such as physics, materials, energy, electrical and electronic engineering and microelectronics.
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Category : Power resources
Languages : en
Pages : 1520
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Improved cell photovoltaic conversion efficiencies are obtained by the simultaneous elemental reactive evaporation process of Mickelsen and Chen for making semiconductors by closer control of the evaporation rates and substrate temperature during formation of the near contact, bulk, and near junction regions of a graded I-III-VI.sub. 2, thin film, semiconductor, such as CuInSe.sub. 2 /(Zn, Cd)S or another I-III-VI.sub. 2 /II-VI heterojunction.
