Method for manufacturing photovoltaic cells with a rear side polysiliconpassivating contact

Method for manufacturing photovoltaic cells with a rear side polysiliconpassivating contact

A method for manufacturing a photovoltaic cell from a substrate (2) having a front side (4), a back side (6) and an edge (8). A carrier selective contact structure (4a) of a first type is provided on at least a part of the front side (4). A stack (10) having a thin oxide layer covered by a polysilic...

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Bibliographische Detailangaben
Hauptverfasser: MARTIEN KOPPES, MACIEJ KRZYSZTO STODOLNY, LAMBERT JOHAN GEERLIGS, YU WU, MARTIJN LENES
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 method for manufacturing a photovoltaic cell from a substrate (2) having a front side (4), a back side (6) and an edge (8). A carrier selective contact structure (4a) of a first type is provided on at least a part of the front side (4). A stack (10) having a thin oxide layer covered by a polysilicon layer is applied, wherein the stack (10) is applied to the back side (6) and the front side (4) of the substrate (2), and possibly also on edge (8). The stack (10) of thin oxide layer and polysilicon layer on the front side (4) is then removed.