| 摘要 |
PROBLEM TO BE SOLVED: To provide a silver sulfurization preventive material capable of sufficiently suppressing the sulfurization of silver, a method for forming a silver sulfurization preventive film using the same, and a method for producing a light-emitting device having excellent sulfurization resistance.SOLUTION: The silver sulfurization preventive material comprises two or more kinds of clays, preferably, two or more kinds of clays with different aspect ratios. The method for forming a silver sulfurization preventive film comprises: a coating step of coating the surface of a silver-containing metal layer with the silver sulfurization preventive material to form a coating film of the silver sulfurization preventive material; and a drying step of drying the coating film. |
