| abstract |
According to claim 1, compounds exhibiting high hole mobility and / or high glass transition temperature are provided of the formula [Ar 1 ] m [Ar 2 ] n . Here, m is an integer of 1 to 3, n is an integer and is 1 or 2. The compound is used for the electron transport layer, and a p-type additive is added. These can be incorporated into OLED organic solar cell devices, imaging sections, and thin film transistors. [Selection figure] None |