Provided is a composition for forming a charge-transporting thin film for organic electroluminescent elements, which contains a dopant material that is composed of a nitrogen-containing heteroaromatic compound substituted by a cyano group and represented by one of formulae (D1)-(D5), a charge-transporting material and an organic solvent, and which is characterized in that the dopant material and the charge-transporting material are dissolved in the organic solvent.
本发明提供了一种用于形成有机电致发光元件电荷传输薄膜的组合物,该组合物包含由
氰基取代的含氮杂芳香族化合物组成并由式(D1)-(D5)之一表示的掺杂剂材料、电荷传输材料和有机溶剂,其特征在于掺杂剂材料和电荷传输材料溶解在有机溶剂中。