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 a, b) 3‐dip SSN coatings, c, d) 3‐dip SSN+2‐dip HPSN coating, and e, f) 3‐dip SSN+4‐dip HPSN coating after calcination and hydrophobic modification. The inset in panel b is the corresponding cross‐sectional image. Reprinted with permission from Ref. 111. Copyright 2016 Royal Society of Chemistry.
