I am exploring the use of ammonia derivatives as passivation layers for perovskite layers in perovskite solar cells (PSCs). Specifically, I would like to understand the relative effectiveness of aromatic organic ligands compared to aliphatic organic ligands in terms of enhancing stability, efficiency, and charge carrier dynamics.

Could anyone provide insights or recent findings on:

  • The impact of aromatic organic ligands (e.g., phenyl, thiophene) versus aliphatic organic ligands (e.g., alkyl ammonium halides) on the passivation of defects in perovskite materials.
  • How these ligands influence the electronic properties, stability, and performance of PSCs.
  • Any considerations for selecting one type of ligand over the other in device fabrication.
  • Thank you in advance for your input!

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