Back reflector texture and stability issues in high efficiency multijunction amorphous silicon alloy solar cells
Conference
·
OSTI ID:208121
- United Solar Systems Corp., Troy, MI (United States)
The role of the back reflector texture on the initial and stabilized efficiency of high efficiency triple-junction triple-bandgap amorphous silicon alloy based cells has been investigated. The devices have been deposited on Ag/ZnO back reflector possessing three different textures. The performance of the bottom single-junction a-SiGe alloy n i p cell on the three textures has also been analyzed. The value of the short-circuit current density of the n i p cell initially increases and then decreases with increasing texture. Light soaking results show that the higher textures exhibit superior device stability. Degradation as low as 8% has been obtained on the triple-junction cells.
- OSTI ID:
- 208121
- Report Number(s):
- CONF-941203--; ISBN 0-7803-1459-X
- Country of Publication:
- United States
- Language:
- English
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