Benefits of very thin PCBM and LiF layers for solution-processed p–i–n perovskite solar cells

@article{Seo2014BenefitsOV,
  title={Benefits of very thin PCBM and LiF layers for solution-processed p–i–n perovskite solar cells},
  author={J. Seo and Sangman Park and Y. Kim and N. Jeon and J. Noh and S. C. Yoon and S. Seok},
  journal={Energy and Environmental Science},
  year={2014},
  volume={7},
  pages={2642-2646}
}
Highly efficient p–i–n perovskite solar cells employing a flat and thick CH3NH3PbI3 film and a thin PCBM film are fabricated by the solution-process at low temperature. Through attainment of optimized PCBM thickness and insertion of the LiF interlayer, the unit cell shows 14.1% of overall power conversion efficiency (PCE) with a Jsc of 20.7 mA cm−2, a Voc of 0.866 V, and a FF of 78.3% under AM 1.5G 100 mW cm−2 conditions, while a larger area 10 cell serially connected module (10 × 10 cm2) shows… Expand
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