Effect of heat treatments and window layer processing on the characteristics of CuInGaSe{sub 2} thin film solar cells
- National Renewable Energy Lab., Golden, CO (United States); and others
Interaction between chemical bath deposited CdS and ZnO window layers are a focus of this paper. Low temperature anneals were used to follow the changes at the interface. Optical absorption spectra show that CdS and ZnO intermix upon annealing. When applied to ZnO/CdS/CuInGaSe{sub 2} thin film solar cells, changes in the short and long wavelength response were observed. The latter is attributed to an increase in the energy gap of the absorber by diffusion of S. The interdiffusion is shown to increase the short wavelength collection, and hence the current density of the devices. Photoluminescence data provides some indication of the quality of the interface.
- Research Organization:
- National Renewable Energy Lab., Golden, CO (United States)
- DOE Contract Number:
- AC36-83CH10093
- OSTI ID:
- 416131
- Report Number(s):
- NREL/TP--410-21091; CONF-960513--; ON: DE96007880
- Country of Publication:
- United States
- Language:
- English
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