Technology support for initiation of high-throughput processing of thin-film CdTe PV modules. Phase II technical report, March 14, 1996--March 13, 1997
- Solar Cells, Inc., Toledo, OH (United States)
Research at Solar Cells Inc. is focused on developing processes which will lead to high volume and low cost manufacturing of solar cells and to increase the performance of their present technology. The process research has focused on developing vapor transport deposition of the semiconductors, eliminating wet chemistry steps while minimizing the chloride treatment time, forming a low-loss back contact using only dry processing, and an improved interconnection technique. The performance improvement work has focused on the increase of the photocurrent by a combination of more transparent glass substrates and a thinner CdS window layer deposited on an i-SnO{sub 2} buffer layer. SCI record 13.0% 1 cm{sup 2} devices have been fabricated using these techniques. Stability monitoring continues and shows minimal degradation for over 20,000 hours of continuous light soak at 0.8 sun illumination.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Assistant Secretary for Energy Efficiency and Renewable Energy, Washington, DC (United States)
- DOE Contract Number:
- AC36-83CH10093
- OSTI ID:
- 534502
- Report Number(s):
- NREL/SR-520-23542; ON: DE98000159; CNN: Contract ZAF-5-14142-05; TRN: 97:005416
- Resource Relation:
- Other Information: PBD: Sep 1997
- Country of Publication:
- United States
- Language:
- English
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