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Comparative Technology Evaluations
|
Types
of Solar Cells |
|
Crystalline |
Thin
Films |
| Material |
Si |
a-Si |
CdTe |
CIS/CIGS |
Thin
film Si |
| Manufacturing
Process |
Crystal
growth and sawing |
PECVD
Process |
Close
Space Sublimination |
High
Vacuum evaporation / sputtering |
PECVD
Process |
| Champion
Cell Efficiency |
21% |
13%
(Triple junction) |
16% |
19.5% |
>10% |
| Champion
Module Efficiency |
~15% |
7.5% |
8.5% |
12.7% |
N/A |
| Potential
for Production Cost of <$1.00/Watt |
Doubtful |
Fair |
Good |
V.
Good |
V.
Good |
| Flexible
Modules |
No |
Yes |
No |
Yes |
Possible |
| Stability |
Very
Good |
Intrinsic
Degradation |
Contact
Degradation |
No
Known Degradation |
Assumed
Good |
| Space
Power Application |
Yes |
- |
No |
Yes |
Unknown |
| Remarks |
Shortage
of Feedstock |
Poor
materials utilization |
Cadmium
Toxicity |
ISET's
Non-Vacuum Process for low cost production |
Prospect
for Distant Future |
|
