Method for forming back contact electrodes for cadmium telluride photovoltaic cells

Method for forming back contact electrodes for cadmium telluride photovoltaic cells

A method for forming a back contact (12) for a photovoltaic cell (10) that includes at least one semiconductor layer (14) is provided. The method includes applying a continuous film (16) of a chemically active material on a surface (15) of the semiconductor layer (14) and activating the chemically a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Korevaar, Bastiaan Arie, Shuba, Roman, Rojo, Juan Carlos
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A method for forming a back contact (12) for a photovoltaic cell (10) that includes at least one semiconductor layer (14) is provided. The method includes applying a continuous film (16) of a chemically active material on a surface (15) of the semiconductor layer (14) and activating the chemically active material such that the activated material etches the surface (15) of the semiconductor layer (14). The method further includes removing the continuous film (16) of the activated material from the photovoltaic cell (10) and depositing a metal contact layer (18) on the etched surface (15) of the semiconductor layer.