Cesium Enhances Long-Term Stability of Lead Bromide Perovskite-Based Solar Cells.

@article{Kulbak2016CesiumEL,
  title={Cesium Enhances Long-Term Stability of Lead Bromide Perovskite-Based Solar Cells.},
  author={Michael Kulbak and Satyajit Gupta and Nir Kedem and Igal Levine and Tatyana A Bendikov and Gary Hodes and David Cahen},
  journal={The journal of physical chemistry letters},
  year={2016},
  volume={7 1},
  pages={167-72}
}
Direct comparison between perovskite-structured hybrid organic-inorganic methylammonium lead bromide (MAPbBr3) and all-inorganic cesium lead bromide (CsPbBr3), allows identifying possible fundamental differences in their structural, thermal and electronic characteristics. Both materials possess a similar direct optical band gap, but CsPbBr3 demonstrates a higher thermal stability than MAPbBr3. In order to compare device properties, we fabricated solar cells, with similarly synthesized MAPbBr3… CONTINUE READING
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