Self-powered piezoelectric microfluidic flow sensor for low-flow monitoring of metal-ion solutions

Key Points

• This research aims to develop a sensor that can accurately monitor metal-ion solutions at very low flow rates without requiring external power.
• Developed a piezoelectric microfluidic flow sensor using a PDMS isolation membrane and piezoelectric film.
• Conducted experiments to assess the sensitivity and stability of flow detection.
• Performed tests to measure detection capabilities in ultralow flow conditions.
• The sensor shows reliable monitoring capabilities for metal-ion solutions at ultralow flow rates.
• It delivers rapid detection without the need for external power, improving efficiency.
• Demonstrated enhanced sensitivity compared to traditional flow sensors.