Figure 2.

a) Variation of the thickness of the MAPbBr₃ SCTFs with the dead load on the sandwiched structures, b) TRPL decay transients of the MAPbBr₃ SCTFs under 405 nm excitation, c) XRD patterns for MAPbBr₃ SCTFs prepared under various heating rate at room temperature (25 °C), and d–f) high‐resolution XRD rocking curves of the (200) diffraction peaks of the MAPbBr₃ SCTFs at a heating rate of d) 10 °C h⁻¹, e) 5 °C h⁻¹, and f) 2 °C h⁻¹.