Fig. 8.
a Response times, b recovery times, c response of rGO and MPc/rGO hybrid sensors versus NH3 concentrations at room temperature, d response of rGO and MPc/rGO hybrid sensors to 50 ppm NH3, CO2, H2, CH4, and CO gas
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.