The present work is part of the research activity of the S.A.L.V.O. Project, which envisages the realisation of a portable multisensory node to monitor possible dangerous conditions for workers, by evaluating their exposure to various substances, including atmospheric particulate matter. Here we discuss the possibility of using piezoelectric membranes as self-cleaning atmospheric particulate sensors. PM10-like particulate matter is initially deposited on the membranes, and the frequency shift is evaluated by correlating it to the particulate-covered membrane surface. Finally, the membrane's self-cleaning ability was assessed by subjecting it to appropriate vibration cycles. The results are extremely encouraging and pave the way for the use of piezoelectric membranes as self-cleaning particulate sensors.

PZT Membrane for Particles (PM) Detection, Autocleaning Issue

Polichetti T.;
2023-01-01

Abstract

The present work is part of the research activity of the S.A.L.V.O. Project, which envisages the realisation of a portable multisensory node to monitor possible dangerous conditions for workers, by evaluating their exposure to various substances, including atmospheric particulate matter. Here we discuss the possibility of using piezoelectric membranes as self-cleaning atmospheric particulate sensors. PM10-like particulate matter is initially deposited on the membranes, and the frequency shift is evaluated by correlating it to the particulate-covered membrane surface. Finally, the membrane's self-cleaning ability was assessed by subjecting it to appropriate vibration cycles. The results are extremely encouraging and pave the way for the use of piezoelectric membranes as self-cleaning particulate sensors.
2023
Autocleaning MEMS
Particulate matter
Piezoelectric micromachined ultrasonic transducer
PZT membrane
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12079/77827
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