Chalcogenide solar cells

Details Chalcogenide solar cells Chalcogenide solar cells

2005-11-29

2011-11-01

Cleveland, Michael (Department: 1712)

Coating processes

Electrical product produced

Photoelectric

Reexamination Certificate

active

08048477

ABSTRACT:
A precursor material for forming a film of a group IB-IIIA-chalcogenide compound and a method of making this film are disclosed. The film contains group IB-chalcogenide nanoparticles and/or group IIIA-chalcogenide nanoparticles and/or nanoglobules and/or nanodroplets and a source of extra chalcogen. Alternatively, the film may contain core-shell nanoparticles having core nanoparticles include group IB and/or IIIA elements, which are coated with a shell of elemental chalcogen material. The method of making a film of group IB-IIIA-chalcogenide compound includes mixing the nanoparticles and/or nanoglobules and/or nanodroplets to form an ink, depositing the ink on a substrate, heating to melt the extra chalcogen and to react the chalcogen with the group IB and group IIIA elements and/or chalcogenides to form a dense film.

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