Fig. 8From: Enhanced NH3-Sensitivity of Reduced Graphene Oxide Modified by Tetra-α-Iso-Pentyloxymetallophthalocyanine Derivatives 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 gasBack to article page