FOUR-TRANSIT SOLAR CELL Russian patent published in 2016 - IPC H01L31/328 

FIELD: physics.

SUBSTANCE: four-transit solar cell includes successively grown on substrate (1) of p-Ge four sub-elements (2, 3, 4, 5), matched at constant grid with substrate (1) of p-Ge and interconnected by tunnel p-n junctions (6, 7, 8), and contact layer (9), wherein first subunit (2) includes substrate (1) of p-Ge, layer (10) of n-Ge, layer (11) of a wide window of n-GaInP and buffer layer (12) of n-GaInAs, second subunit (3) includes layer (13) of p-GaInAs and layer (14) of n-GaInAs, third subunit (4) includes layer (15) of p-AlGaInAs and layer (16) of n-AlGaInAs, and fourth subunit (5) includes A2B6 short-period super lattices of p- and n-type (17, 18).

EFFECT: invention provides ease of manufacture, production of high efficiency of solar radiation short-wave part converting.

1 cl, 3 dwg