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Liu, Yanwei; Wei, Xiaofang; Li, Zhiyi; Liu, Jianjun; Wang, Ruifang; Hu, Xiaoxiao; Wang, Pengfei; Yamada-Takamura, Yukiko; Qi, Ting; Wang, Ying . (2018). Highly efficient, solution-processed organic light emitting diodes based on thermally activated delayed-fluorescence emitter with a mixed polymer interlayer. ACS Applied Energy Materials, (), acsaem.7b00131–. doi:10.1021/acsaem.7b00131 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research