MULTIJUNCTION SOLAR CELLS WITH SHIFTED JUNCTION

MULTIJUNCTION SOLAR CELLS WITH SHIFTED JUNCTION

A multijunction solar cell including an upper first solar subcell having a first band gap and positioned for receiving an incoming light beam; a second solar subcell disposed below and adjacent to and lattice matched with said upper first solar subcell, and having a second band gap smaller than said...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Derkacs, Daniel
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A multijunction solar cell including an upper first solar subcell having a first band gap and positioned for receiving an incoming light beam; a second solar subcell disposed below and adjacent to and lattice matched with said upper first solar subcell, and having a second band gap smaller than said first band gap; wherein the ratio of the thickness of the emitter layer to the thickness of the base layer in at least one of the solar subcells is between 5:1 and 1:1.