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) DFM-CCD image of AgNPs before the oxidation at an exposure time of 500 ms. (B) DFM-CCD images of AgNPs after the oxidation at an exposure time of 500 ms. (C) Difference image of (A,B). (D) Chronoamperogram of silver nanoparticles in a 250 mM potassium nitrate solution. The potential was held at −0.4 V for 10 s, then the potential was switched to 1.2 V for 300 s.
