100 mm Engineered InP-on-Si Laminate Substrates for InP-based Multijunction Solar Cells
- California Inst. of Technology (CalTech), Pasadena, CA (United States); California Institute of Technology
The project focused on fabrication of InP/Si laminate substrates as templates for growth of InGaAsP/InGaAs and InAlAs/InGaAsP/InGaAs multijunction solar cells. InP/Si template substrates were developed and used as templates for InGaAs solar growth. A novel feature of the program was development of the virtual substrate template, which enables a substrate to be formed with a lattice constant intermediate between those of GaAs and InP. Large-area virtual substrate templates were formed by transfer and bonding of dislocation free InGaAs films wafer onto silicon substrates.
- Research Organization:
- California Inst. of Technology (CalTech), Pasadena, CA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
- DOE Contract Number:
- FG36-08GO18071
- OSTI ID:
- 1234966
- Country of Publication:
- United States
- Language:
- English
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