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The present work describes the utilization of screen-printed PZT cantilevers for the detection of volatile organic compounds (VOCs) at room temperature by means of a specific sensitive coating. The sensitive coating is formed by polyvinylidene fluoride (PVDF) and active carbon electrospun nanofibers with an average diameter of 500 nm. These fibers enable to maximize the surface interaction area and hence the diffusion processes of the molecules within the sensitive coating. When the sensitive coating is exposed to different VOCs and concentrations, the absorption and desorption processes induce shifts in the cantilever resonance frequency value. In particular, a shift of 971 Hz is observed at a frequency around 802 KHz when the device is exposed to 750 ppm of acetone.

P1.2.9 Electrospun nanofibers fabricated on screen-printed PZT cantilevers for room temperature VOCs detection