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) Representative J–V curves for devices using Al2O3‐only (devices A and B) and Al2O3 film incorporated with Au@SiO2 NRs (devices C and D) with MAPbI2.85Br0.15 (devices A and C) or MAPbI3 (devices B and D) absorbers measured under AM1.5 simulated sunlight (100 mW cm−2 irradiance). b) IPCE spectra of corresponding devices. MA: CH3NH3 + cation.
