Figure 7.
Sensing performance comparison of the annealed ZnO films with or without Ag layers: (a) gas response of ZnO films at 333 ppm of NH3; (b) response time for the resistance dropping 90% of the initial value.
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.