Inventors:
Charlie Hotz - Mountain View CA, US
Puthur D. Paulson - San Jose CA, US
Craig Leidholm - San Jose CA, US
Damoder Reddy - Los Gatos CA, US
Assignee:
Solexant Corp. - San Jose CA
International Classification:
H01L 31/00
US Classification:
136238, 136260, 136264, 136265, 438 93, 438 95, 257442
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.