Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Raghu N. Bhattacharya0
Date of Patent
November 3, 2009
0Patent Application Number
105929630
Date Filed
April 2, 2004
0Patent Primary Examiner
Patent abstract
The invention provides CBD ZnS/Zn(O,OH)S and spray deposited ZnS/Zn(O,OH)S buffer layers prepared from a solution of zinc salt, thiourea and ammonium hydroxide dissolved in a non-aqueous/aqueous solvent mixture or in 100% non-aqueous solvent. Non-aqueous solvents useful in the invention include methanol, isopropanol and triethyl-amine. One-step deposition procedures are described for CIS, CIGS and other solar cell devices.
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