Open AccessDetermination of a definition of solar grade silicon. Third quarterly report, 1 April--30 June 1976
Author(s) -
Marc Christ,
K. P. Gupta,
H.W. Gutsche,
D. E. Hill,
W.F. Tucker,
M.S. Wang
Publication year - 1976
Language(s) - English
Resource type - Reports
DOI - 10.2172/7146727
Subject(s) - vanadium , manganese , silicon , titanium , chromium , impurity , oxygen , carbon fibers , nickel , metallurgy , materials science , solar cell , analytical chemistry (journal) , nuclear chemistry , chemistry , optoelectronics , environmental chemistry , organic chemistry , composite number , composite material
A definition of solar grade silicon was determined by investigating the singular and the combined effect of the impurities usually found in metallurgical grade silicon on solar cell device performance. The impurity matrix was defined by Jet Propulsion Laboratory Technical Direction Memorandum. The initial work was focussed on standardizing the solar cell process and test procedure, growing baseline crystals, growing crystals contaminated with carbon, iron, nickel, zirconium, aluminum and vanadium, solar blank preparation, and material characterization.
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