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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.
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.
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