Four-Junction Solar Cell with 40% Target Efficiency Fabricated by Wafer Bonding and Layer Transfer: Final Technical Report, 1 January 2005 - 31 December 2007
We realized high-quality InGaP/GaAs 2-junction top cells on Ge/Si, InGaAs/InP bottom cells, direct-bond series interconnection of tandem cells, and modeling of bonded 3- and 4-junction device performance.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC36-99-GO10337
- OSTI ID:
- 944501
- Report Number(s):
- NREL/SR-520-44532; XAT-4-33624-10; TRN: US200902%%908
- Resource Relation:
- Related Information: Work performed by California Institute of Technology, Pasadena, California
- Country of Publication:
- United States
- Language:
- English
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