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.
Elemental compositions and water contact angles of the specimens.
Notes: (A) Elemental compositions of various microroughened specimens measured by XPS. (B) Water contact angles measured on the samples with typical water droplet images inserted. *P<0.05.
Abbreviation: XPS, X-ray photoelectron spectroscopy.
