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Slow surface passivation and crystal relaxation with additives to improve device performance and durability for tin-based perovskite solar cells

We investigated the doping effect of bulky organic cations with ethyl diammonium diiodide (EDAI2) and butyl ammonium iodide (BAI) as additives to passivate the surface defects, to control the film morphology and to improve the crystallinity for the inverted planar FASnI3 perovskite solar cells. The addition

Authors:   Efat Jokar; Cheng-Hsun Chien; Yu-Hao Chang; Amir Fathi; Mohammad Rameez; Eric Wei-Guang Diau
Journal:   Energy & Environmental Science
DOI:   10.1039/C8EE00956B
Facts, background information, dossiers
  • perovskite solar cells
  • surface defects
  • relaxation
  • crystallinity
  • cations
  • bai
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