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, CIGSand other solar cell devices.
| Original language | American English |
|---|---|
| Patent number | 7,611,573 B2 |
| State | Published - 2009 |
NLR Publication Number
- NREL/PT-5900-50476
Keywords
- ammonium hydroxide
- solar cells
- zinc salt
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