High-performance photovoltaic perovskite layers fabricated through intramolecular exchange

@article{Yang2015HighperformancePP,
  title={High-performance photovoltaic perovskite layers fabricated through intramolecular exchange},
  author={Woon Seok Yang and J. Noh and N. Jeon and Y. Kim and Seungchan Ryu and Jangwon Seo and S. Seok},
  journal={Science},
  year={2015},
  volume={348},
  pages={1234 - 1237}
}
Taking in more sun Most efforts to grow superior films of organic-inorganic perovskites for solar cells have focused on methylammonium lead iodide (MAPbI3). However, formamidinium lead iodide (FAPbI3) has a broader solar absorption spectrum that could ultimately lead to better performance. Yang et al. grew high-quality FAPbI3 films by starting with a film of lead iodide and dimethylsulfoxide (DMSO) and then exchanging the DMSO with formamidinium iodide. Their best devices achieved power… Expand
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