Quantitative Rheometry of Thin Soft Materials Using the Quartz Crystal Microbalance with Dissipation

Analytical Chemistry
Kazi SadmanBryan D Vogt

Abstract

In the inertial limit, the resonance frequency of the quartz crystal microbalance (QCM) is related to the coupled mass on the quartz sensor through the Sauerbrey expression that relates the mass to the change in resonance frequency. However, when the thickness of the film is sufficiently large, the relationship becomes more complicated and both the frequency and damping of the crystal resonance must be considered. In this regime, a rheological model of the material must be used to accurately extract the adhered film's thickness, shear modulus, and viscoelastic phase angle from the data. In the present work we examine the suitability of two viscoelastic models, a simple Voigt model ( Physica Scripta 1999, 59, 391-396) and a more realistic power-law model ( Langmuir 2015, 31, 4008-4017), to extract the rheological properties of a thermoresponsive hydrogel film. By changing temperature and initial dry film thickness of the gel, the operation of QCM was traversed from the Sauerbrey limit, where viscous losses do not impact the frequency, through the regime where the QCM response is sensitive to viscoelastic properties. The density-shear modulus and the viscoelastic phase angle from the two models are in good agreement when the shea...Continue Reading

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Citations

Dec 15, 2020·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Yoshiko MiuraYu Hoshino
Apr 20, 2020·Colloids and Surfaces. B, Biointerfaces·Mahsa MoradipourBarbara L Knutson
May 27, 2021·ACS Applied Materials & Interfaces·Giacomo BiagiottiStefano Cicchi
Jul 28, 2020·Journal of Colloid and Interface Science·Yue WeiHongbin Zhang
Apr 10, 2019·ACS Applied Materials & Interfaces·Kazi SadmanKenneth R Shull
Nov 21, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Mengxue ZhangBryan D Vogt
Jan 10, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Xuanli DengG Kane Jennings
Aug 31, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Lirong ShiZhan Chen
Jan 14, 2022·Chemical Reviews·Ruiheng WuJonathan Rivnay

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