ArticleSensors (Basel, Switzerland)2017
The Resistance-Amplitude-Frequency Effect of In-Liquid Quartz Crystal Microbalance.
Article in Sensors (Basel, Switzerland), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Design and validation of a low-cost open-source impedance based quartz crystal microbalance for electrochemical research.HardwareX · 2022Article
- Acoustic Biosensors and Microfluidic Devices in the Decennium: Principles and Applications.Micromachines · 2021Review
- Quartz Crystal Microbalance Electronic Interfacing Systems: A Review.Sensors (Basel, Switzerland) · 2017Review
- A Practical Model of Quartz Crystal Microbalance in Actual Applications.Sensors (Basel, Switzerland) · 2017Article
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Authors and funding
4 authors.
Funding
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Abstract
Due to the influence of liquid load, the equivalent resistance of in-liquid quartz crystal microbalance (QCM) increases sharply, and the quality factor and resonant frequency decreases. We found that the change in the resonant frequency of in-liquid QCM consisted of two parts: besides the frequency changes due to the mass and viscous load (which could be equivalent to motional inductance), the second part of frequency change was caused by the increase of motional resistance. The theoretical calculation and simulation proved that the increases of QCM motional resistance may indeed cause the decreases of resonant frequency, and revealed that the existence of static capacitance was the root cause of this frequency change. The second part of frequency change (due to the increases of motional resistance) was difficult to measure accurately, and may cause great error for in-liquid QCM applications. A technical method to reduce the interference caused by this effect is presented. The study contributes to the accurate determination of the frequency and amplitude change of in-liquid QCM caused by liquid load, which is significant for the QCM applications in the liquid phase.
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