Figure 4.
Sensing response of ZnO sensor to different concentrations of (a) ethylene and (b) acetone in air atmosphere in dark or under visible-light irradiation of different wavelengths. Reproduced with permission from [37].
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.