fig6
From: Fabrication of MOF-derived porous Au@Co-ZnO nanostructures with excellent C2H5OH sensing performance
Figure 6. Stability and gas selectivity results of Au@Co-ZnO nanostructure and its comparison samples. (A) Cyclic stability test for 100 ppm ethanol; (B) Response-cycle number curve; (C) Long-term stability test; (D) Response to different gases.
