IONIC-COMPOUND-CONTAINING TREATMENT SOLUTION, ORGANIC ELECTRONIC ELEMENT, AND METHOD FOR MANUFACTURING ORGANIC ELECTRONIC ELEMENT

摘要

An embodiment of the present invention relates to a treatment liquid which contains an ionic compound and a solvent, and is used for adhering the ionic compound to at least one surface selected from the group consisting of a surface on which a layer having hole transport properties is to be formed, and a surface of a layer having hole transport properties.