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U.S. Department of Energy
Office of Scientific and Technical Information

Monolithic tandem solar cell

Patent ·
OSTI ID:7202658

A single-crystal, monolithic, tandem, photovoltaic solar cell is described which includes (a) an InP substrate having upper and lower surfaces, (b) a first photoactive subcell on the upper surface of the InP substrate, (c) a second photoactive subcell on the first subcell; and (d) an optically transparent prismatic cover layer over the second subcell. The first photoactive subcell is GaInAsP of defined composition. The second subcell is InP. The two subcells are lattice matched. 9 figs.

DOE Contract Number:
AC02-83CH10093
Assignee:
Dept. of Energy, Washington, DC (United States)
Patent Number(s):
A; US 5322572
Application Number:
PPN: US 7-689566
OSTI ID:
7202658
Country of Publication:
United States
Language:
English