Investigation of the Influence of Sensor Films Made of the Mycelium of Basidiomycetes on the Characteristics of a Me1/AlN/Me2/Diamond Ultrahigh-Frequency Resonator

Organic films based on extracts of the biomass of basidiomycete strain Ganoderma lucidum are proposed to use as sensor coatings for acoustic gas sensors based on a layered Me1/AlN/Me2/diamond microwave acoustic resonator. A biomass of basidiomycetes is obtained by submerged cultivation in a selected liquid nutrient medium after which biomass extracts are obtained using two-component solvent systems (water/ethanol) with different volumetric ratios. A base technique has been developed and organic films have been created based on the biomass of basidiomycete Ganoderma lucidum on the resonator surface. The morphological properties of the created films are studied using scanning electron microscopy. The Q factor and resonance frequency of the developed layered Me1/AlN/Me2/diamond microwave acoustic resonator are measured. The effect of the created organic films on the parameters of the microwave acoustic resonator is analyzed. A conclusion is drawn that these films can be used as sensor coatings for a corresponding acoustic gas sensor.