Research / 2020 / Article / Fig 2

Research Article

Utilizing Electroplex Emission to Achieve External Quantum Efficiency up to 18.1% in Nondoped Blue OLED

Figure 2

(a) UV-vis spectra and PL spectra of 3Cz-Ph-CN, 3Cz-mPh-CN, and 3Ph-Cz-CN in THF solutions (10 μM, dotted lines represent the PL spectra of films). (b) Mechanoluminescence spectrum of 3Ph-Cz-CN (inset is the ML image in the dark).