Implication of polymeric template agent on the formation process of hybrid halide perovskite film

Antonella Giuri, Rahim Munir, Andrea Listorti, Carola Esposito Corcione, Giuseppe Gigli, Aurora Rizzo, Aram Amassian, Silvia Colella

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


The use of polymeric additives supporting the growth of hybrid halide perovskites has proven to be a successful approach aiming at high quality active layers targeting optoelectronic exploitation. A detailed description of the complex process involving the self-assembly of the precursors into the perovskite crystallites in presence of the polymer is, however, still missing. Here we take starch:CH3NH3PbI3 (MAPbI3) as example of highly performing composite, both in solar cells and light emitting diodes, and study the film formation process through differential scanning calorimetry and in situ time-resolved grazing incidence wide-angle X-ray scattering, performed during spin coating. These measurements reveal that starch beneficially influences the nucleation and growth of the perovskite precursor phase, leading to improved structural properties of the resulting film which turns into higher stability towards environmental conditions.
Original languageEnglish (US)
StatePublished - Mar 10 2021

ASJC Scopus subject areas

  • Bioengineering
  • Mechanics of Materials
  • General Materials Science
  • General Chemistry
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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