Figure 3.
(a1–a5) Time evolution of BF TEM image of the MAPbI3 layer not exposed to air. (b1–b5) Corresponding FFT patterns at different time stamps, i.e., with increasing electron dose exposure. The dose rate is ≈8.03 eÅ–2 s–1.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.