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Author : Frederick Schmid
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (113 download)
Download or read book Low-cost Silicon Substrates by Directional Solidification written by Frederick Schmid and published by . This book was released on 1982 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederick Schmid
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (57 download)
Download or read book Low-cost Silicon Substrates by Directional Solidification written by Frederick Schmid and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Low-cost Silicon Substrates by Directional Solidification. Third Quarterly Report, September 1-November 30, 1980 written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Plane front solidification and refining of metallurgical grade silicon (Mg-Si) by the Heat Exchanger Method (HEM) were examined experimentally and theoretically. Better crystallinity was obtained from the Mg-Si if melt turbulence occurs during solidification. This was also verified by theoretical analyses. Experimental measurements indicate that vacuum purification of Mg-Si can be improved by increasing the holding time under vacuum, by using silica powder and/or increasing its amount. It has been shown that simple directional solidification by HEM of commercially available Mg-Si can produce material for 7.2% conversion efficiency solar cells.
Author :
Publisher :
ISBN 13 :
Total Pages : 1430 pages
Book Rating : 4.U/5 (183 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1984 with total page 1430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Author : David Huang
Publisher : The Electrochemical Society
ISBN 13 : 1566777038
Total Pages : 1124 pages
Book Rating : 4.5/5 (667 download)
Download or read book Istc/cstic 2009 (cistc) written by David Huang and published by The Electrochemical Society. This book was released on 2009-03 with total page 1124 pages. Available in PDF, EPUB and Kindle. Book excerpt: ISTC/CSTIC is an annual semiconductor technology conference covering all the aspects of semiconductor technology and manufacturing, including devices, design, lithography, integration, materials, processes, manufacturing as well as emerging semiconductor technologies and silicon material applications. ISTC/CSTIC 2009 was merged by ISTC (International Semiconductor Technology Conference) and CSTIC (China Semiconductor Technology International Conference), the two industry leading technical conferences in China, and consisted of one plenary session and nine technical symposia. This issue of ECS Transactions contains 159 papers from the conference.
Author : Vitalyi Igorevich Talanin
Publisher : BoD – Books on Demand
ISBN 13 : 9535131591
Total Pages : 306 pages
Book Rating : 4.5/5 (351 download)
Download or read book New Research on Silicon written by Vitalyi Igorevich Talanin and published by BoD – Books on Demand. This book was released on 2017-05-31 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: The knowledge of fundamental silicon questions and all aspects of silicon technology gives the possibility of improvement to both initial silicon material and devices on silicon basis. The articles for this book have been contributed by the much respected researchers in this area and cover the most recent developments and applications of silicon technology and some fundamental questions. This book provides the latest research developments in important aspects of silicon including nanoclusters, solar silicon, porous silicon, some technological processes, and silicon devices and also fundamental question about silicon structural perfection. This book is of interest both to fundamental research and to practicing scientists and also will be useful to all engineers and students in industry and academia.
Author : Alison S. Greenlee
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (776 download)
Download or read book Development of a Melting and Directional Solidification Process for Improving the Grain Structure and Electronic Properties of a Silicon Wafer written by Alison S. Greenlee and published by . This book was released on 2011 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: A manufacturing process that produces high quality, inexpensive kerfless silicon wafers for photovoltaic cells is highly desirable. The process herein described was developed to melt and directionally solidify fine-grained silicon wafers at accelerated feed rates for improved electronic properties. The proposed process encapsulates a fine grained silicon wafer which is then sandwiched between two substrates with a specialized release layer. This stack is then zonemelted and recrystallized in a novel zone-melting furnace. The innovations herein described pertain to the design of a novel radiation furnace, the substrate selection, and the process parameters required to repeatedly yields planar wafers, with several centimeter sized grains, and a low dislocation density of1044 cm -2 . Specifically, the phenomena that govern the thickness profile of the wafer were examined, and process modifications were made to yield a planar wafer with a +/- 15 tm thickness range over 85% of a 6" wafer. Furthermore, a relationship between the thermal characteristics of the zonemelting furnace, the process feed rate, and the relative grain size were derived. This relationship was used to design and characterize a novel, zone-melting radiation furnace that can solidify a silicon wafer with ~10 solidification angle at 60 mm/min. Additionally, preferential nucleation sites that reduce the likelihood of large grains were identified and experimentally minimized by biasing the wafer to cool preferentially from one side. Finally, mechanisms to create dislocations were identified and minimized. This included minimizing the number of stress concentrations in the wafer and reducing the thermal resistance between the wafer and its supporting conductive substrate.
Author :
Publisher :
ISBN 13 :
Total Pages : 884 pages
Book Rating : 4.3/5 (91 download)
Download or read book Solar Energy Update written by and published by . This book was released on 1984 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James A. Amick
Publisher :
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.F/5 ( download)
Download or read book Proceedings of the Symposium on Materials and New Processing Technologies for Photovoltaics written by James A. Amick and published by . This book was released on 1983 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Ginley
Publisher :
ISBN 13 :
Total Pages : 632 pages
Book Rating : 4.3/5 (91 download)
Download or read book Thin Films for Photovoltaic and Related Device Applications: Volume 426 written by David Ginley and published by . This book was released on 1996-11-18 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has been considerable progress in the development of thin-film photovoltaic devices with new efficiency records and enhanced durability. These achievements are the result of significant advances in the fundamental understanding of the materials, interfaces and devices. With 18 countries represented, this truly international volume brings together engineers and researchers from academic, industrial and national laboratories worldwide to review different materials systems and address common issues and problems. A wide variety of topics related to the development of thin-film photovoltaic and related devices, including thick-film transistors and materials for flat-panel displays, are addressed. Areas of emphasis include materials synthesis, device fabrication and characterization, and modelling. Topics include: thin-film amorphous silicon devices; thin-film silicon devices; thin-film devices based on copper-indium diselenide; cadmium-telluride devices; transparent conductive oxides and related materials for thin-film devices; and novel concepts for thin-film photovoltaics.
Author :
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.0/5 ( download)
Download or read book Electricity from Photovoltaic Solar Cells: Silicon sheet: wafers and ribbons written by and published by . This book was released on 1986 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 892 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 484 pages
Book Rating : 4.:/5 (319 download)
Download or read book Photovoltaic Energy Systems written by and published by . This book was released on 1980 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. J. Phillips
Publisher :
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4.3/5 (97 download)
Download or read book Summary of Flat-Plate Solar Array Project Documentation written by M. J. Phillips and published by . This book was released on 1986 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1100 pages
Book Rating : 4.3/5 (91 download)
Download or read book Energy: a Continuing Bibliography with Indexes written by and published by . This book was released on 1980 with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.F/5 ( download)
Download or read book Energy written by and published by . This book was released on 1982 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruno Ceccaroli
Publisher : CRC Press
ISBN 13 : 1498742661
Total Pages : 273 pages
Book Rating : 4.4/5 (987 download)
Download or read book Solar Silicon Processes written by Bruno Ceccaroli and published by CRC Press. This book was released on 2016-10-03 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polycrystalline silicon (commonly called "polysilicon") is the material of choice for photovoltaic (PV) applications. Polysilicon is the purest synthetic material on the market, though its processing through gas purification and decomposition (commonly called "Siemens" process) carries high environmental risk. While many current optoelectronic applications require high purity, PV applications do not and therefore alternate processes and materials are being explored for PV grade silicon. Solar Silicon Processes: Technologies, Challenges, and Opportunities reviews current and potential future processing technologies for PV applications of solar silicon. It describes alternative processes and issues of material purity, cost, and environmental impact. It covers limits of silicon use with respect to high-efficiency solar cells and challenges arising from R&D activities. The book also defines purity requirements and purification processes of metallurgical grade silicon (MG-Si) and examines production of solar grade silicon by novel processes directly from MG-Si and/or by decomposition of silane gas in a fluidized bed reactor (FBR). Furthermore, the book: Analyzes past research and industrial development of low-cost silicon processes in view of understanding future trends in this field. Discusses challenges and probability of success of various solar silicon processes. Covers processes that are more environmentally sensitive. Describes limits of silicon use with respect to high-efficiency solar cells and challenges arising from R&D activities. Defines purity requirements and purification processes of MG-Si. Examines production of solar grade silicon directly from MG-Si.
