DOI: 10.1039/d3ta04201d ISSN:
Superhalogen modulation: an effective approach for minimizing light-induced halide segregation in MAPb(I0.7Br0.3)3Pronoy 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
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.