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.
SEM images of the surfaces of the nanoparticles/pentaerythritol triacrylate (PETA) hybrid films on the PET substrates. Thickness of all the hybrid films is around 0.77 μm. D of containing nanoparticles are (a) 37 nm; (b) 49 nm; and (c) 91 nm.
