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Aluminum Oxide for the Surface Passivation of High Efficiency Silicon Solar Cells

Aluminum Oxide for the Surface Passivation of High Efficiency Silicon Solar Cells

Author: Armin Richter
Publisher:
ISBN: 3839608473
Pages: 236
Year: 2015-02-23

High-Efficiency Solar Cells

High-Efficiency Solar Cells

Author: Xiaodong Wang, Zhiming M. Wang
Publisher: Springer Science & Business Media
ISBN: 3319019880
Pages: 656
Year: 2013-11-01
As part of the effort to increase the contribution of solar cells (photovoltaics) to our energy mix, this book addresses three main areas: making existing technology cheaper, promoting advanced technologies based on new architectural designs, and developing new materials to serve as light absorbers. Leading scientists throughout the world create a fundamental platform for knowledge sharing that combines the physics, materials, and device architectures of high-efficiency solar cells. While providing a comprehensive introduction to the field, the book highlights directions for further research, and is intended to stimulate readers’ interest in the development of novel materials and technologies for solar energy applications.
New Perspectives on Surface Passivation: Understanding the Si-Al2O3 Interface

New Perspectives on Surface Passivation: Understanding the Si-Al2O3 Interface

Author: Lachlan E. Black
Publisher: Springer
ISBN: 3319325213
Pages: 204
Year: 2016-04-15
The book addresses the problem of passivation at the surface of crystalline silicon solar cells. More specifically, it reports on a high-throughput, industrially compatible deposition method for Al2O3, enabling its application to commercial solar cells. One of the main focus is on the analysis of the physics of Al2O3 as a passivating dielectric for silicon surfaces. This is accomplished through a comprehensive study, which moves from the particular, the case of aluminium oxide on silicon, to the general, the physics of surface recombination, and is able to connect theory with practice, highlighting relevant commercial applications.
Excellent Surface Passivation for High Efficiency C-Si Solar Cells

Excellent Surface Passivation for High Efficiency C-Si Solar Cells

Author: Sara Bakhshi
Publisher:
ISBN:
Pages: 91
Year: 2018
Semiconductor surface clean is sometimes perceived as costly but long recognized as pivotal in determining the final semiconductor device performance and yield. In this contribution, we investigated the effectiveness of crystalline silicon surface cleaning by a simple UV-ozone process in comparison to the industry standard RCA clean for silicon photovoltaic applications. We present a unique method of processing the silicon surface effectively by UV-ozone cleaning. Despite being simple, UV-ozone cleaning results in a superior surface passivation quality that is comparable to high-quality RCA clean. When used as a stack dielectric--UV-ozone oxide overlaid by aluminum oxide--the thickness of UV-ozone oxide plays an important role in determining the passivation quality. Of all treatment times, 15 min of UV-ozone treatment results in an outstanding passivation quality, achieving the effective carrier lifetime of 3 ms and saturation current density of 5 fA/cm2. In addition, we present a simple and effective technique to extract values of electron/hole capture cross-section for the purpose of analyzing the interface passivation quality from already measured surface recombination parameters of saturation current density, interfacial trap density and total fixed charge, instead of measuring on the separately prepared metal-insulated-semiconductor (MIS) samples by the techniques: frequency-dependent parallel conductance or deep-level transient spectroscopy.
Ion Implantation for High-Efficiency Silicon Solar Cells.

Ion Implantation for High-Efficiency Silicon Solar Cells.

Author: Ralph Müller
Publisher: BoD – Books on Demand
ISBN: 3839610745
Pages: 246
Year: 2017-01-12
The profitability of the whole photovoltaic system can be effectively increased by the use of advanced silicon solar cells with a higher conversion efficiency potential and new technologies are needed to keep the fabrication effort low. Ion implantation allows for single side and even patterned doping of silicon wafers, so this technique could help to simplify the process chain of complex high-efficiency silicon solar cells. In this thesis, the suitability of ion implantation for the fabrication of modern solar cells was investigated. The implantation of mass-separated boron or phosphorus ions and subsequent furnace annealing was used to study the charge carrier recombination due to implantation defects and obtain doping profiles for an evaluation at the device level. Furthermore, novel process sequences combining ion implantation and furnace diffusion for the simplified doping of back-junction back-contact cells were developed and evaluated with respect to the influence of a reverse breakdown and a weak front-side doping on the solar cell performance.
High Efficiency Silicon Solar Cells

High Efficiency Silicon Solar Cells

Author: Martin A. Green
Publisher: Trans Tech Publication
ISBN: 0878495371
Pages: 240
Year: 1987
The early chapters comprehensively review the optical and transport properties of silicon. Light trapping is described in detail. Limits on the efficiency of silicon cells are discussed as well as material requirements necessary to approach these limits. The status of current approaches to passifying surfaces, contacts and bulk regions is reviewed. The final section of the book describes the most practical approaches to the fabrication of high-efficiency cells capable of meeting the efficiency targets for both concentrated and non-concentrated sunlight, including a discussion of design and processing approaches for non-crystalline silicon.
Oxides—Advances in Research and Application: 2013 Edition

Oxides—Advances in Research and Application: 2013 Edition

Author:
Publisher: ScholarlyEditions
ISBN: 1481678655
Pages: 442
Year: 2013-06-21
Oxides—Advances in Research and Application: 2013 Edition is a ScholarlyBrief™ that delivers timely, authoritative, comprehensive, and specialized information about ZZZAdditional Research in a concise format. The editors have built Oxides—Advances in Research and Application: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about ZZZAdditional Research in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Oxides—Advances in Research and Application: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Amorphous Silicon / Crystalline Silicon Heterojunction Solar Cells

Amorphous Silicon / Crystalline Silicon Heterojunction Solar Cells

Author: Wolfgang Rainer Fahrner
Publisher: Springer Science & Business Media
ISBN: 364237039X
Pages: 111
Year: 2013-04-23
Amorphous Silicon/Crystalline Silicon Solar Cells deals with some typical properties of heterojunction solar cells, such as their history, the properties and the challenges of the cells, some important measurement tools, some simulation programs and a brief survey of the state of the art, aiming to provide an initial framework in this field and serve as a ready reference for all those interested in the subject. This book helps to “fill in the blanks” on heterojunction solar cells. Readers will receive a comprehensive overview of the principles, structures, processing techniques and the current developmental states of the devices. Prof. Dr. Wolfgang R. Fahrner is a professor at the University of Hagen, Germany and Nanchang University, China.
Solar Cells

Solar Cells

Author: Augustin Joseph McEvoy, Luis Castañer, T. Markvart
Publisher: Academic Press
ISBN: 0123869641
Pages: 641
Year: 2012
Enormous leaps forward in the efficiency and the economy of solar cells are being made at a furious pace. New materials and manufacturing processes have opened up new realms of possibility for the application of solar cells. Crystalline silicon cells are increasingly making way for thin film cells, which are spawning experimentation with third-generation high-efficiency multijunction cells, carbon-nanotube based cells, UV light for voltage enhancement, and the use of the infrared spectrum for night-time operation, to name only a few recent advances. This thoroughly updated new edition of Markvart and Castaner's Solar Cells, extracted from their industry standard Practical Handbook of Photovoltaics, is the definitive reference covering the science and operation, materials and manufacture of solar cells. It is essential reading for engineers, installers, designers, and policy-makers who need to understand the science behind the solar cells of today, and tomorrow, in order to take solar energy to the next level. A thorough update to the definitive reference to solar cells, created by a cast of international experts from industry and academia to ensure the highest quality information from multiple perspectives Covers the whole spectrum of solar cell information, from basic scientific background, to the latest advances in materials, to manufacturing issues, to testing and calibration. Case studies, practical examples and reports on the latest advances take the new edition of this amazing resource beyond a simple amalgamation of a vast amount of knowledge, into the realm of real world applications
Advances in Rapid Thermal Processing

Advances in Rapid Thermal Processing

Author: Electrochemical Society. Electronics Division, Electrochemical Society. Dielectric Science and Technology Division, Electrochemical Society. High Temperature Materials Division
Publisher: The Electrochemical Society
ISBN: 156677232X
Pages: 452
Year: 1999

Materials Concepts for Solar Cells

Materials Concepts for Solar Cells

Author:
Publisher: World Scientific Publishing Company
ISBN: 1786344505
Pages: 568
Year: 2018-01-30
A modern challenge is for solar cell materials to enable the highest solar energy conversion efficiencies, at costs as low as possible, and at an energy balance as sustainable as necessary in the future. This textbook explains the principles, concepts and materials used in solar cells. It combines basic knowledge about solar cells and the demanded criteria for the materials with a comprehensive introduction into each of the four classes of materials for solar cells, i.e. solar cells based on crystalline silicon, epitaxial layer systems of III-V semiconductors, thin-film absorbers on foreign substrates, and nano-composite absorbers. In this sense, it bridges a gap between basic literature on the physics of solar cells and books specialized on certain types of solar cells. The last five years had several breakthroughs in photovoltaics and in the research on solar cells and solar cell materials. We consider them in this second edition. For example, the high potential of crystalline silicon with charge-selective hetero-junctions and alkaline treatments of thin-film absorbers, based on chalcopyrite, enabled new records. Research activities were boosted by the class of hybrid organic-inorganic metal halide perovskites, a promising newcomer in the field. This is essential reading for students interested in solar cells and materials for solar cells. It encourages students to solve tasks at the end of each chapter. It has been well applied for postgraduate students with background in materials science, engineering, chemistry or physics.
Lifetime Spectroscopy

Lifetime Spectroscopy

Author: Stefan Rein
Publisher: Springer Science & Business Media
ISBN: 3540279229
Pages: 492
Year: 2006-03-30
Lifetime spectroscopy is one of the most sensitive diagnostic tools for the identification and analysis of impurities in semiconductors. Since it is based on the recombination process, it provides insight into precisely those defects that are relevant to semiconductor devices such as solar cells. This book introduces a transparent modeling procedure that allows a detailed theoretical evaluation of the spectroscopic potential of the different lifetime spectroscopic techniques. The various theoretical predictions are verified experimentally with the context of a comprehensive study on different metal impurities. The quality and consistency of the spectroscopic results, as explained here, confirms the excellent performance of lifetime spectroscopy.
Crystalline Silicon Solar Cells

Crystalline Silicon Solar Cells

Author: Armin G. Aberle
Publisher:
ISBN: 0733406459
Pages: 335
Year: 1999

Solar Energy Update

Solar Energy Update

Author:
Publisher:
ISBN:
Pages:
Year: 1986

Electrochemistry of Silicon

Electrochemistry of Silicon

Author: Volker Lehmann
Publisher: Wiley-VCH
ISBN:
Pages: 286
Year: 2002-04-22
Silicon has been and will most probably continue to be the dominant material in semiconductor technology. Although the defect-free silicon single crystal is one of the best understood systems in materails science, its electrochemistry to many people is still a kind of "alchemy". This view is partly due to the interdisciplinary aspects of the topic: Physics meets chemistry at the silicon-electrolyte interface. This book gives a comprehensive overview of this important aspect of silicon technology as well as examples of applications ranging from photonic crystals to biochips. It will serve materials scientists as well as engineers involved in silicon technology as a quick reference with its more than 150 technical tables and diagrams and ca. 1000 references cited for easy access of the original literature.