Abstract
Disclosed embodiments include CdS/CdTe PV devices (100) having a back contact (110,112) with oxygen gettering capacity. Also disclosed are back contact structures (110, 112) and methods of forming a back contact in a CdS/CdTe PV device (100). The described contacts and methods feature a contact having a contact interface layer (100) comprising a contact interface material, a p-type dopant and a gettering metal.
| Original language | American English |
|---|---|
| Patent number | 10,651,323 B2 |
| Filing date | 12/05/20 |
| State | Published - 2020 |
NREL Publication Number
- NREL/PT-5K00-77382
Keywords
- CdS/CdTe PV devices
- contact interface layer
- contact interface material
- gettering metal
- p-type dopant