Temperature behavior of solid polymer film coated quartz crystal microbalance for sensor applications

Esmeryan, Karekin D.; Avramov, I.; Radeva, E.

doi:10.1016/j.snb.2015.04.034

Cited by 8 publications

(11 citation statements)

References 26 publications

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“…The left side of Figure 5 demonstrates the temperature-induced sensor response that is generated by the thermal expansion/compression of the quartz crystal, directly affecting the vibration frequency [ 29 , 36 , 37 , 38 ]. Expectedly, the rapid thermal fluctuations inflict positive frequency shifts if the surface is not preliminary loaded with a water droplet, in perfect agreement with the previously documented dynamic temperature-frequency characteristics of 16 MHz soot coated QCMs (see Figure 2 in reference [ 31 ]).…”

Section: Resultsmentioning

confidence: 99%

Studying the Bulk and Contour Ice Nucleation of Water Droplets via Quartz Crystal Microbalances

Esmeryan

Stoimenov

2021

Micromachines

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Due to the stochastic and time-dependent character of the ice embryo formation and growth (i.e., a process that can be analyzed statistically, but cannot be predicted precisely), the heterogeneous ice nucleation on atmospheric aerosols or macroscopic solid surfaces is still shrouded in mystery, regardless of the extremely active research and exponential progress within this scientific field. For instance, whether the icing appears from outside-in or inside-out is a subject of intense controversy, with practicability in designing passive icephobic coatings or improving the effectiveness of the cryopreservation technologies. Here, we propose an artful technique for quantitative analysis of the different modes of water freezing using super-nonwettable soot-coated quartz crystal microbalances (QCMs). To achieve this goal, a set of 5 MHz QCMs are loaded one at a time with a 50 μL droplet, whose bulk or contour solidification is detected in real-time. The obtained experimental results show that our sensor devices recognize explicitly if the ice nuclei form predominantly at the liquid–solid interface or spread along the droplet’s entire outer shell by triggering individual reproducible responses in terms of the direction of signal evolution in time. Our results may serve as a foundation for the future incorporation of QCM devices in different freezing assays, where gaining information about the ice adhesion forces and ice layer’s thickness is mandatory.

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Section: Resultsmentioning

confidence: 99%

Studying the Bulk and Contour Ice Nucleation of Water Droplets via Quartz Crystal Microbalances

Esmeryan

Stoimenov

2021

Micromachines

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“…The thermal effect could affect the accuracy and stability of sensors, for example the quartz crystal microbalance devices, the microelectromechanical systems and the piezo-resistance sensors etc. [20][21][22]. For high temperature piezoelectric sensor fabrication, the thermal expansion nonlinearity plays a negative impact on the stability of piezoelectric performance over a broad temperature range, while the mismatch of thermal expansion for different components in a sensor would cause the packaged device failure under thermal cyclic loading [23].…”

Section: Introductionmentioning

confidence: 99%

Thermal Expansion and Electro-Elastic Features of Ba2TiSi2O8 High Temperature Piezoelectric Crystal

Jiang

Chen

et al. 2018

Crystals

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A high-quality Ba2TiSi2O8 (BTS) single crystal was grown using the Czochralski (Cz) pulling method. The thermal expansion and electro-elastic properties of BTS crystal were studied for high temperature sensor applications. The relative dielectric permittivities ε 11 T / ε 0 and ε 33 T / ε 0 were determined to be 16.3 and 11.8, while the piezoelectric coefficients d15, d31, d33 were found to be 17.8, 2.9, and 4.0 pC/N, respectively. Temperature dependence of electro-elastic properties were investigated, where the variation of elastic compliance s 55 E (= s 44 E ) was found to be <6% over temperature range of 20–700 °C. Taking advantage of the anisotropic thermal expansion, linear thermal expansion comparable to insulating alumina ceramic was achieved over temperature range up to 650 °C. The optimum crystal cut with large effective piezoelectric coefficient (>8.5 pC/N) and linear thermal expansion coefficient (8.03 ppm/°C) achieved for BTS crystal along the (47°, φ) direction (φ is arbitrary in 0–360°), together with its good temperature stability up to 650 °C, make BTS crystal a promising candidate for high temperature piezoelectric sensors.

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“…Recently, the QCM has been used as a humidity sensor [14,15,16,17]. One of the potential problems about QCM-based sensors is their cross sensitivity to thermal fluctuations, which can seriously compromise sensor accuracy [18,19,20,21]. It is a common issue in applications where the QCM is used for in situ sensor measurements in dynamically variable environments [21,22], where the sensor often operates over a wide temperature range.…”

Section: Introductionmentioning

confidence: 99%

“…One of the potential problems about QCM-based sensors is their cross sensitivity to thermal fluctuations, which can seriously compromise sensor accuracy [18,19,20,21]. It is a common issue in applications where the QCM is used for in situ sensor measurements in dynamically variable environments [21,22], where the sensor often operates over a wide temperature range. In such situations, the sensor readings will be superimposed with the QCM’s temperature-induced frequency shifts, and this will cause measurement errors [21].…”

Section: Introductionmentioning

confidence: 99%

“…It is a common issue in applications where the QCM is used for in situ sensor measurements in dynamically variable environments [21,22], where the sensor often operates over a wide temperature range. In such situations, the sensor readings will be superimposed with the QCM’s temperature-induced frequency shifts, and this will cause measurement errors [21]. Therefore, temperature has become an important error source in the process of dew point calibration.…”

Section: Introductionmentioning

confidence: 99%

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Dew Point Calibration System Using a Quartz Crystal Sensor with a Differential Frequency Method

Lin

Meng

Nie

2016

Sensors

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In this paper, the influence of temperature on quartz crystal microbalance (QCM) sensor response during dew point calibration is investigated. The aim is to present a compensation method to eliminate temperature impact on frequency acquisition. A new sensitive structure is proposed with double QCMs. One is kept in contact with the environment, whereas the other is not exposed to the atmosphere. There is a thermal conductivity silicone pad between each crystal and a refrigeration device to keep a uniform temperature condition. A differential frequency method is described in detail and is applied to calibrate the frequency characteristics of QCM at the dew point of −3.75 °C. It is worth noting that frequency changes of two QCMs were approximately opposite when temperature conditions were changed simultaneously. The results from continuous experiments show that the frequencies of two QCMs as the dew point moment was reached have strong consistency and high repeatability, leading to the conclusion that the sensitive structure can calibrate dew points with high reliability.

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Temperature behavior of solid polymer film coated quartz crystal microbalance for sensor applications

Cited by 8 publications

References 26 publications

Studying the Bulk and Contour Ice Nucleation of Water Droplets via Quartz Crystal Microbalances

Studying the Bulk and Contour Ice Nucleation of Water Droplets via Quartz Crystal Microbalances

Thermal Expansion and Electro-Elastic Features of Ba2TiSi2O8 High Temperature Piezoelectric Crystal

Dew Point Calibration System Using a Quartz Crystal Sensor with a Differential Frequency Method

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