DOI: 10.1039/d3ta04201d ISSN:

Superhalogen modulation: an effective approach for minimizing light-induced halide segregation in MAPb(I0.7Br0.3)3

Pronoy Nandi, Hyoungmin Park, Sooeun Shin, Anir S. Sharbirin, Jeongyong Kim, Seok Joon Kwon, Nam-Gyu Park, Hyunjung Shin
  • General Materials Science
  • Renewable Energy, Sustainability and the Environment
  • General Chemistry
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We identify an efficient method to suppress halide segregation by adding BF4− as a modulator into MAPbI2.1Br0.9. Improved device performance indicate BF4−-incorporation is beneficial for the mitigation of defect trapping and halide ion hopping.

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