Effect of CuPc and MoO3 co-evaporated layer on the conductivity of organic light emitting diodes
He Ze-Shang, Yu Hao-Miao, Peng Huan, Hou Xiao-Yuan†
       
Current–voltage characteristics of device A with different CuPc concentrations. The function layer is formed of co-evaporated CuPc and MoO3. Inset (a) current under 1 V bias and −1 V bias versus CuPc concentration. Inset (b) I – V of devices with a pure CuPc or MoO3 function layer.