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) Optical absorption and PL spectra of FAPbI3 NCs and FA0.1Cs0.9PbI3 NCs before and after 6 months of storage. The insets contain photographs of the FAPbI3 NCs and FA0.1Cs0.9PbI3 NCs colloidal solutions in toluene under daylight (upper image) and under a UV lamp (λ = 365 nm; lower image). (b) PL decay traces for colloidal FAPbI3 and FA0.1Cs0.9PbI3 NCs.
