SUPPLEMENTARY MATERIAL

See the supplementary material for sensing device assembly setup schematic, gas test chamber schematic, calculated solvent volume injected into the test chamber, response of CuScO2 to different alcohols under nitrogen atmosphere, LOD of CuScO2 to different alcohols, typical response and recovery time, dynamic response curves of CuScO2 to different alcohol vapors, adsorption configuration of different alcohol molecules to the CuScO2 surface and the coordinate calculated Bader charge, the response, adsorption configuration, and the CDD of isopropanol, isobutanol, isopentanol, and 4-methyl-1-pentanol.