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.
(a) J–V curves under 1 sun illumination in forward and reverse voltage scans. (b) Steady-state PL spectra of the perovskite and perovskite/ETM films. (c) TR-PL spectra of the perovskite and perovskite/ETM films. (d) Normalized PCE of PSCs measured as a function of time at ~20% humidity at room temperature.
