Influence of-based ligands on photostability of MAPbI3 thin films

Mayuribala Mangrulkar, Sergey Yu Luchkin, Aleksandra G. Boldyreva, Pavel A. Troshin, Keith J. Stevenson

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


The effect of pyridine-based ligands, capable of coordinating e improving stability with Pb2+ defect sites through nitrogen atoms, on the photostability of MAPbI3 thin films under solar radiation of 70–80 mW cm−2 at 50–60 °C in an inert atmosphere has been investigated using UV-VIS spectroscopy, X-ray diffraction analysis and atomic force microscopy. It has been found that the addition of 4,4′-bipyridine to the perovskite precursor improves the photostability of a MAPbI3 thin film, withstanding illumination for 1400 h.

Original languageEnglish
Pages (from-to)319-322
Number of pages4
JournalMendeleev Communications
Issue number3
Publication statusPublished - 1 May 2021


  • additive
  • MAPbI
  • perovskite films
  • perovskite solar cells
  • pyridine-based ligand
  • stability
  • thin films


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