Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. Strain state of MAPbI3 films and scraped powder made by different methods on different substrates and with different compositions.
  • fig. S2. In situ out-of-plane XRD and the calculated lattice parameter of the MAPbI3 powder under different temperatures.
  • fig. S3. Strain state for MAPbI3 on PET substrate.
  • fig. S4. Strain state of MAPbI3 films formed at different temperatures.
  • fig. S5. Effect of post-annealing on strain state.
  • fig. S6. Out-of-plane XRD of the MAPbI3 on a flexible substrate with different bending states.
  • fig. S7. Distribution of strain on the substrate.
  • fig. S8. Morphology of MAPbI3 film on PTAA/ITO and PTAA/glass substrates.
  • fig. S9. Degradation of strained MAPbI3 film on SnO2 substrate under illumination.

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