Addition of Lithium 8-Quinolate into Polyethylenimine Electron-Injection Layer in OLEDs: Not Only Reducing Driving Voltage but Also Improving Device Lifetime
Takayuki Chiba, Yong-Jin Pu*, Takahumi Ide, Satoru Ohisa, Hitoshi Fukuda, Tatsuya Hikichi, Dai Takashima, Tatsuya Takahashi, So Kawata, and Junji Kido*
ACS Appl. Mater. Interfaces, 9, 18113–18119 (2017)