• Dopant-free hole-transporting materials for stable and efficient perovskite solar cells 

      Paek, Sanghyun; Qin, Peng; Lee, Yonghui; Cho, Kyung Taek; Gao, Peng; ... more authors ( Wiley-VCH Verlag , 2017 , Article)
      Molecularly engineered novel dopant-free hole-transporting materials for perovskite solar cells (PSCs) combined with mixed-perovskite (FAPbI3)0.85(MAPbBr3)0.15 (MA: CH3NH3+, FA: NH=CHNH3+) that exhibit an excellent power ...