Addition of Ammonium Thiocyanate Alters the Microstructure and Energetic Landscape of 2D/3D Perovskite Films

Herman Duim, Alex J. Rommens, Shuyan Shao, Giuseppe Portale, Maria A. Loi*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Abstract

Mixtures of low-dimensional and 3D perovskite phases have attracted significant attention due to their improved stability with respect to purely 3D perovskites. One of the strategies to gain control over the complex crystallization of these 2D/3D perovskite films and obtain well-ordered thin films is through the additive engineering of the precursor solution. In this work, the influence of ammonium thiocyanate addition on the microstructural and optical properties of thin films of (PEA)2(MA)n−1PbnI3n+1 is investigated for different n values.

Original languageEnglish
Pages (from-to)10285–10293
Number of pages9
JournalACS Applied Energy Materials
Volume6
Issue number20
Early online date16-Aug-2023
DOIs
Publication statusPublished - 23-Oct-2023

Keywords

  • 2D/3D perovskite films
  • additive engineering
  • microstructure
  • optical properties
  • orientation control
  • solar cells

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