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This book continues the long-standing and highly successful series on amorphous silicon science and technology. The opening article honors the pioneering use of photons to probe silicon films and provides an historical overview of optical absorption for studies of the Urbach edge and disorder. Additional invited presentations focus on new approaches for the fabrication of higher stability amorphous silicon-based materials and solar cells, and on the characterization of materials and cells both structurally and electronically. The book includes topics relevant to solar cells, including the role of hydrogen in metastability phenomena and deposition processes, and the application of atomistic material simulations in elucidating film growth mechanisms and structure as characterized by in situ probes. Chapters are devoted to nanostructures, such as quantum dots and wires, and to nano/microcrystalline and poly/single crystalline films, the latter involving new concepts in crystalline grain growth and epitaxy. Device applications are also highlighted, such as thin-film transistors, solar cells, and image sensors, operable on the meter scale, to memories, operable on the nanometer scale.
The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.
Amorphous silicon technology has been the subject of symposia every year since 1984. This remarkable longevity is due to the continuous emergence of new scientific questions and new technological challenges for silicon thin films. Earlier there was a strong emphasis on methods to achieve high deposition rates using plasma or hot-wire chemical vapor deposition, and on the properties and applications of nanocrystalline silicon films, which for example have been incorporated into stacked a-Si:H/nc-Si:H solar cells. The papers appearing in this book are sorted under six chapter headings on the basis of subject matter. Chapter I is concerned with amorphous network structures, electronic metastability, defects, and photoluminescence. Chapter II focuses on thin-film transistors and imager arrays. Chapter III covers solar cells. Chapter IV addresses growth mechanisms, hot-filament CVD, and nc-Si:H growth. Chapter V contains all remaining topics in film growth, especially those related to devices. Finally, Chapter VI focuses on crystallized film.
The utilization of sun light is one of the hottest topics in sustainable energy research. To efficiently convert sun power into a reliable energy – electricity – for consumption and storage, silicon and its derivatives have been widely studied and applied in solar cell systems. This handbook covers the photovoltaics of silicon materials and devices, providing a comprehensive summary of the state of the art of photovoltaic silicon sciences and technologies. This work is divided into various areas including but not limited to fundamental principles, design methodologies, wafering techniques/fabrications, characterizations, applications, current research trends and challenges. It offers the most updated and self-explanatory reference to all levels of students and acts as a quick reference to the experts from the fields of chemistry, material science, physics, chemical engineering, electrical engineering, solar energy, etc..
This book guides beginners in the areas of thin film preparation, characterization, and device making, while providing insight into these areas for experts. As chemically deposited metal oxides are currently gaining attention in development of devices such as solar cells, supercapacitors, batteries, sensors, etc., the book illustrates how the chemical deposition route is emerging as a relatively inexpensive, simple, and convenient solution for large area deposition. The advancement in the nanostructured materials for the development of devices is fully discussed.