Efficient tandem solar cells with solution-processed perovskite on textured crystalline silicon

@article{Hou2020EfficientTS,
  title={Efficient tandem solar cells with solution-processed perovskite on textured crystalline silicon},
  author={Yi Hou and Erkan Aydin and Michele De Bastiani and Chuanxiao Xiao and Furkan H. Isikgor and Ding‐Jiang Xue and Bin Chen and Hao Chen and Behzad Bahrami and Ashraful Haider Chowdhury and Andrew K. Johnston and Se-Woong Baek and Ziru Huang and Mingyang Wei and Yitong Dong and Joel Troughton and Rawan Jalmood and Alessandro J. Mirabelli and Thomas G. Allen and Emmanuel van Kerschaver and Makhsud I. Saidaminov and Derya Baran and Qiquan (Quinn) Qiao and Kai Zhu and Stefaan De Wolf and Edward. H. Sargent},
  journal={Science},
  year={2020},
  volume={367},
  pages={1135 - 1140}
}
Growing perovskite on textured silicon Wide–band gap perovskites could boost the efficiency of silicon solar cells by forming tandem cells, but usually the perovskite must be grown on a smoothed side of the silicon cell because the material grown on the rough light-trapping side often does not fully coat the silicon surface and its rough texture is prone to phase separation. Hou et al. grew thick films of a perovskite with a band gap of ∼1.68 electron volts and used a passivant, 1-butanethiol… 
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