Hybrid polysilicon heterojunction back contact cell

Hybrid polysilicon heterojunction back contact cell

HYBRID POLYSILICON HETEROJUNCTION BACK CONTACT CELL A solar cell (100), comprising: a silicon substrate (102); a first emitter region disposed on a surface of the silicon substrate (102) and comprising a layer of a wide band gap doped semiconductor (160) of a first conductivity type; a second emitte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SMITH, David D, COUSINS, Peter J, RIM, Seung B
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:HYBRID POLYSILICON HETEROJUNCTION BACK CONTACT CELL A solar cell (100), comprising: a silicon substrate (102); a first emitter region disposed on a surface of the silicon substrate (102) and comprising a layer of a wide band gap doped semiconductor (160) of a first conductivity type; a second emitter region disposed on the surface of the silicon substrate (102) and comprising a crystalline doped silicon layer (150) of a second conductivity type disposed on a thin dielectric layer (106) ; and first and second contacts disposed on, and electrically connected to, the first and second emitter regions, respectively.