CdCl2 Treatment, S Diffusion, and Recombination in Polycrystalline CdTe
Journal Article
·
· Journal of Applied Physics
Time-resolved photoluminescence measurements on glass/SnO{sub 2}/CdTe and glass/SnO{sub 2}/CdTe/CdS structures indicate that the CdCl{sub 2} process, without any S present, significantly reduces recombination. However, S diffusion is required for lifetimes comparable to those observed in high-efficiency solar cells. Low-temperature photoluminescence, cathodoluminescence, and scanning electron images indicate how defect chemistry, grain-boundary passivation, and morphology are affected by S diffusion and the CdCl{sub 2} treatment.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO.
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC36-08GO28308
- OSTI ID:
- 976980
- Journal Information:
- Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 10, 2006 Vol. 99; ISSN JAPIAU; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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