A Universal Double-Side Passivation for High Open-Circuit Voltage in Perovskite Solar Cells: Role of Carbonyl Groups in Poly(methyl methacrylate)
Jun Peng, Jafar I.Khan, Wenzhu Liu, Esma Uğur, The Duong, Yiliang Wu, Heping Shen, Kai Wang, Hoang Dang, Erkan Aydin, Xinbo Yang, Yimao Wan, Klaus Weber, Kylie R. Catchpole, Frédéric Laquai, Stefaan De Wolf, Thomas P.White
Thanks to PMMA: PCBM Double-side passivation, very high‐efficiency (≈20.8%) perovskite cells with some of the highest open circuit voltages (1.22 V) reported for the same 1.6 eV bandgap are demonstrated.
perovskite solar cells
undercoordinated Pb atoms