Making Single-Source Precursors of Ternary Semiconductors

&A synthesis route has been developed for the commercial manufacture of single- source precursors of chalcopyrite semiconductor absorber layers of thin-film solar photovoltaic cells. The semiconductors in question are denoted by the general formula CuInxGa1–xSySe2–y, where 0 ≤ x ≤ 1 and 0 ≤ y ≤ 1.