Back contact for thin film solar cells

Batteries: thermoelectric and photoelectric – Thermoelectric – Having particular thermoelectric composition

Reexamination Certificate

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Details

C136S260000, C136S264000, C136S265000, C438S093000, C438S095000, C257S442000

Reexamination Certificate

active

07858872

ABSTRACT:
The present invention discloses thin film photovoltaic devices comprising Group II-VI semiconductor layers with a substrate configuration having an interface layer between the back electrode and the absorber layer capable of creating an ohmic contact in the device.The present invention discloses thin film photovoltaic devices comprising Group II-VI semiconductor layers with a superstrate configuration having an interface layer between the back electrode and the absorber layer capable of creating an ohmic contact in the device where the interface layer comprises nanoparticles or nanoparticles that are sintered.

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