Surface Treatment of CuInGaSe2 Thin Films and Its Effect on the Photovoltaic Properties of Solar Cells: Preprint
Solar cells have been fabricated with partial electrolyte treatments of CuInGaSe2 (CIGS) thin-film absorbers in lieu of a CdS layer. Treatment of the absorbers in a containing Cd or Zn solution is shown to produce conditions under which efficient solar cells can be fabricated. A similar effect is also observed in CuInGaSSe2 (CIGSS) graded-bandgap absorbers. These observations can be explained by the ability of Cd and Zn to produce n-type doping or inversion in the surface region. We also provide a brief review of similar work done elsewhere and identify directions for future investigations.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- AC36-99-GO10337
- OSTI ID:
- 15002214
- Report Number(s):
- NREL/CP-520-32950; TRN: US200408%%173
- Resource Relation:
- Journal Volume: 64; Journal Issue: 9-10; Conference: Prepared for the 13th International Conference on Ternary and Multinary Compounds, Paris (FR), 10/14/2002--10/18/2002; Other Information: PBD: 1 Oct 2002
- Country of Publication:
- United States
- Language:
- English
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