Solar cells with low cost substrates and process of making same
- Indian Hills, CO
A solar cell having a substrate and an intermediate recrystallized film and a semiconductor material capable of absorbing light with the substrate being selected from one of a synthetic organic resin, graphite, glass and a crystalline material having a grain size less than about 1 micron.sup.2. The intermediate recrystallized film has a grain size in the range of from about 10 microns.sup.2 to about 10,000 microns.sup.2 and a lattice mismatch with the semiconductor material not greater than about 4%. The semiconductor material has a grain size not less than about 10 microns.sup.2. An anti-reflective layer and electrical contact means are provided. Also disclosed is a subcombination of substrate, intermediate recrystallized film and semiconductor material. Also, methods of formulating the solar cell and subcombination are disclosed.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO
- DOE Contract Number:
- EG-77-C-01-4042
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4482780
- OSTI ID:
- 865254
- Country of Publication:
- United States
- Language:
- English
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