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Dopant ink composition and method of fabricating a solar cell there from

United States Patent

9,799,783
October 24, 2017
View the Complete Patent at the US Patent & Trademark Office
Dopant ink compositions and methods of fabricating solar cells there from are described. A dopant ink composition may include a cross-linkable matrix precursor, a bound dopant species, and a solvent. A method of fabricating a solar cell may include delivering a dopant ink composition to a region above a substrate. The dopant ink composition includes a cross-linkable matrix precursor, a bound dopant species, and a solvent. The method also includes baking the dopant ink composition to remove a substantial portion of the solvent of the dopant ink composition, curing the baked dopant ink composition to cross-link a substantial portion of the cross-linkable matrix precursor of the dopant ink composition, and driving dopants from the cured dopant ink composition toward the substrate.
Loscutoff; Paul (Castro Valley, CA), Wu; Kahn (San Francisco, CA), Molesa; Steven Edward (San Jose, CA)
SunPower Corporation (San Jose, CA)
14/ 675,194
20150206988
March 31, 2015
The invention described herein was made with Governmental support under contract number DE-FC36-07GO17043 awarded by the United States Department of Energy. The Government may have certain rights in the invention.