Snowflake-Shaped ZnO Nanostructures-Based Gas Sensor for Sensitive Detection of Volatile Organic Compounds

Figure 7

Gas adsorption-desorption curves of the gas sensor based on snowflake-shaped ZnO nanostructures to 50 ppm target gases: (a) diethyl ether, (b) methylbenzene, and (c) ethanol.

(a)

(b)

(c)