| abstract |
PROBLEM TO BE SOLVED: To provide an electron or hole transport layer material and a production method thereof. The present invention provides a kind of electron or hole transport layer material, which comprises at least one conjugated structure and at least one articulated structure, of which the articulated structure comprises the following groups: , Any of urethane and urea structures, or any combination thereof. In addition, the present invention provides a method for producing an electron or hole transport layer. [Selection figure] None |