Methods and apparatuses for manufacturing geometric multicrystalline cast silicon and geometric multicrystalline cast silicon bodies for photovoltaics

Stoddard, Nathan G

Methods and apparatuses for manufacturing geometric multicrystalline cast silicon and geometric multicrystalline cast silicon bodies for photovoltaics

Patent · 09 February 2015

OSTI ID:1169631

Stoddard, Nathan G

Methods and apparatuses are provided for casting silicon for photovoltaic cells and other applications. With such methods and apparatuses, a cast body of geometrically ordered multi-crystalline silicon may be formed that is free or substantially free of radially-distributed impurities and defects and having at least two dimensions that are each at least about 10 cm is provided.

Research Organization:: National Renewable Energy Laboratory (NREL), Golden, CO (United States)

Sponsoring Organization:: USDOE

Assignee:: AMG Idealcast Solar Corporation (Wayne, PA)

Patent Number(s):: 8,951,344

Application Number:: 11/624,411

OSTI ID:: 1169631

Country of Publication:: United States

Language:: English

References (10)

Bulk multicrystalline silicon growth for photovoltaic (PV) application Wu, Bei; Stoddard, Nathan; Ma, Ronghui Journal of Crystal Growth, Vol. 310, Issue 7-9, p. 2178-2184 https://doi.org/10.1016/j.jcrysgro.2007.11.194	journal	April 2008
Production of low cost silicon wafers by continuous casting method-development of drip-controlled method Goda, S.; Moritani, T.; Hatanaka, Y. Proceedings of 1994 IEEE 1st World Conference on Photovoltaic Energy Conversion - WCPEC (A Joint Conference of PVSC, PVSEC and PSEC) https://doi.org/10.1109/WCPEC.1994.519953	conference	January 1994
Directionally solidified solar-grade silicon using carbon crucibles Ciszek, T. F.; Schwuttke, G. H.; Yang, K. H. Journal of Crystal Growth, Vol. 46, Issue 4, p. 527-533 https://doi.org/10.1016/0022-0248(79)90041-1	journal	April 1979
Scanning Spectral Response Measurements of Large Grain Polysilicon Solar Cells for Process Optimization Arienzo, M.; Muleo, A.; Orr, W. A. Photovoltaic Solar Energy Conference https://doi.org/10.1007/978-94-009-8423-3_101	book	January 1981
Microstructure and Electrical Properties of some Multicrystalline Silicon Billets Continuously Cast in a Cold Crucible Périchaud, Isabelle; Dour, Gilles; Pillin, B. Solid State Phenomena, Vol. 51-52 https://doi.org/10.4028/www.scientific.net/SSP.51-52.473	journal	May 1996
Some Applications of Cold Crucible Technology for Silicon Photovoltaic Material Preparation Ciszek, T. F. Journal of The Electrochemical Society, Vol. 132, Issue 4 https://doi.org/10.1149/1.2113994	journal	January 1985
Development of a rapid solidification process with a double-roller method Shibuya, Kiyoshi; Kogiku, Fumio; Yukumoto, Masao Materials Science and Engineering, Vol. 98, p. 25-28 https://doi.org/10.1016/0025-5416(88)90119-X	journal	February 1988
Electromagnetic continuous pulling process compared to current casting processes with respect to solidification characteristics Durand, Francis Solar Energy Materials and Solar Cells, Vol. 72, Issue 1-4, p. 125-132 https://doi.org/10.1016/S0927-0248(01)00157-X	journal	April 2002
Growth of multicrystalline Si with controlled grain boundary configuration by the floating zone technique Kitamura, Masayuki; Usami, Noritaka; Sugawara, Takamasa Journal of Crystal Growth, Vol. 280, Issue 3-4, p. 419-424 https://doi.org/10.1016/j.jcrysgro.2005.04.049	journal	July 2005
Relaxation of thermal stresses by dislocation flow and multiplication in the continuous casting of silicon Dour, G.; Durand, F.; Brechet, Y. Modelling and Simulation in Materials Science and Engineering, Vol. 5, Issue 3 https://doi.org/10.1088/0965-0393/5/3/006	journal	May 1997

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