Figure 4.
FE-SEM images (2000× magnification) and AFM images (spot size 10 μm × 10 μm). (A,F) P group; (B,G) A group; (C,H) AS group; (D,I) AM group; (E,J) AMS group.
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.