Crystal growth promoter and method for producing chalcogenide compound using the same

摘要

PROBLEM TO BE SOLVED: To provide a crystal growth promoter useful for the crystal growth of a chalcogenide compound.SOLUTION: A chalcogenide compound comprises a chalcogen element selected from sulfur and selenium, and any one or more metal element selected from copper, indium, and gallium. A crystal growth promoter comprises at least one element constituting the chalcogenide compound and is also volatile.