High-throughput printing of semiconductor precursor layer by use of chalcogen-rich chalcogenides
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United States of America Patent
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app pub date -
Feb 23, 2006
filing date -
Feb 19, 2004
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Abstract
A high-throughput method of forming a semiconductor precursor layer by use of a chalcogen-rich chalcogenides is disclosed. The method comprises forming a precursor material comprising group IB-chalcogenide and/or group IIIA-chalcogenide particles, wherein an overall amount of chalcogen in the particles relative to an overall amount of chalcogen in a group IB-IIIA-chalcogenide film created from the precursor material, is at a ratio that provides an excess amount of chalcogen in the precursor material. The excess amount of chalcogen assumes a liquid form and acts as a flux to improve intermixing of elements to form the group IB-IIIA-chalcogenide film at a desired stoichiometric ratio, wherein the excess amount of chalcogen in the precursor material is an amount greater than or equal to a stoichiometric amount found in the IB-IIIA-chalcogenide film.
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