High-efficiency solution-processed perovskite solar cells with millimeter-scale grains

@article{Nie2015HighefficiencySP,
  title={High-efficiency solution-processed perovskite solar cells with millimeter-scale grains},
  author={Wanyi Nie and Hsinhan Tsai and Reza Asadpour and Jean-Christophe Blancon and Amanda J. Neukirch and Gautam Gupta and Jared J. Crochet and Manish Chhowalla and Sergei Tretiak and Muhammad A. Alam and Hsing-lin Wang and Aditya D. Mohite},
  journal={Science},
  year={2015},
  volume={347},
  pages={522 - 525}
}
Large-crystal perovskite films The performance of organic-inorganic hybrid perovskite planar solar cells has steadily improved. One outstanding issue is that grain boundaries and defects in polycrystalline films degrade their output. Now, two studies report the growth of millimeter-scale single crystals. Nie et al. grew continuous, pinhole-free, thin iodochloride films with a hot-casting technique and report device efficiencies of 18%. Shi et al. used antisolvent vapor-assisted crystallization… 
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