| 20100190292 | METHOD FOR THE PREPARATION OF GROUP IB-IIIA-VIA QUATERNARY OR HIGHER ALLOY SEMICONDUCTOR FILMS - This invention relates to a method for producing group IB-IIIA-VIA quaternary or higher alloy semiconductor films wherein the method comprises the steps of (i) providing a metal film comprising a mixture of group IB and group IIIA metals; (ii) heat treating the metal film in the presence of a source of a first group VIA element (said first group VIA element hereinafter being referred to as VIA | 07-29-2010 |