METHOD FOR PRODUCING A LAYER SYSTEM FOR THIN-FILM SOLAR CELLS HAVING A SODIUM INDIUM SULFIDE BUFFER LAYER

METHOD FOR PRODUCING A LAYER SYSTEM FOR THIN-FILM SOLAR CELLS HAVING A SODIUM INDIUM SULFIDE BUFFER LAYER

A method for producing a layer system for thin-film solar cells is described, wherein a) an absorber layer is produced, and b) a buffer layer is produced on the absorber layer, wherein the buffer layer contains sodium indium sulfide according to the formula NaxIny-x/3S with 0.063≦x≦0.625 and 0.681≦y...

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Bibliographische Detailangaben
Hauptverfasser: HAPP, Thomas, PALM, Jorg, DIETMUELLER, Roland, DALIBOR, Thomas, JOST, Stefan, POHLNER, Stephan, VERMA, Rajneesh
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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Zusammenfassung:A method for producing a layer system for thin-film solar cells is described, wherein a) an absorber layer is produced, and b) a buffer layer is produced on the absorber layer, wherein the buffer layer contains sodium indium sulfide according to the formula NaxIny-x/3S with 0.063≦x≦0.625 and 0.681≦y≦1.50, and wherein the buffer layer is produced, without deposition of indium sulfide, based on at least one sodium thioindate compound.