High Efficiency Thin Multi-Junction Solar Cells

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$100,000.00
Award Year:
2009
Program:
SBIR
Phase:
Phase I
Contract:
FA9453-09-M-0064
Award Id:
93072
Agency Tracking Number:
F083-186-1631
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
6457 Howard Street, Niles, IL, 60714
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
135553472
Principal Investigator:
NorenPan
Research Scientist
(847) 588-3001
psproposals@poc.com
Business Contact:
NorenPan
Chief Financial Officer
(847) 588-3001
gedrew@poc.com
Research Institute:
n/a
Abstract
The proposed SBIR will focus on the development of wafer bonding of GaAs and InP to produce a two junction tandem solar cell which will be the basis to realize a high efficiency solar cell with high manufacturing yield.The target efficiency of the two-junction solar cell is 40% at under AM0 illumination. The proposed wafer bonding process based on ELO wafers is expected to reduce the manufacturing cost of solar cell chips by at least 50% through the GaAs and InP substrate recycling, combined with a reduction in the solar cell thickness. This cost advantage will be obtained without any reduction in conversion efficiency. BENEFIT: This research would provide a foundation for lower cost, higher efficiency solar cells that could have wide benefits for space and terrestrial applications. The ability to remove the substrate along with wafer bonding would provide a clear pathway towards higher efficiency.

* information listed above is at the time of submission.

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