RECYCLING OF COPPER INDIUM GALLIUM DISELENIDE

摘要

There is provided a method for providing selenium dioxide and a copper indium gallium residue from a material comprising a compound of formula (I) CuInxGa(1-x)Se2 (I), wherein x has a value from 0.01 to 0.99, said method comprises the steps of: a) heating the material comprising the compound of formula (I) to at least 500° C., b) contacting the material with a gas flow comprising oxygen, and d) collecting the formed products. The method may be used in recycling in the field of solar cell technology.