MATERIAL FOR POSITIVE HOLE INJECTION TRANSPORT LAYER, INK FOR POSITIVE HOLE INJECTION TRANSPORT LAYER, DEVICE, AND PRODUCTION METHODS FOR SAME

摘要

The present invention is to provide the following: a material for hole injection transport layers and a production method thereof, the material capable of forming a hole injection transport layer by the solution application method and increasing device lifetime; an ink for forming hole injection transport layers and a production method thereof, the ink capable of forming a hole injection transport layer by the solution application method and increasing device lifetime; and a long-life device and a production method thereof. Disclosed is a material for hole injection transport layers, which is a reaction product of a molybdenum complex with a compound represented by the following chemical formula (1): wherein R 1 , R 2 , X 1 and X 2 are as explained in the Description.