Nugrahani Primary Putri, Evi Suaebah, Lydia Rohmawati, Dionysius Joseph Djoko Herry Santjojo, Masruroh, Setyawan Purnomo Sakti
This work aims to determine how the scan rate affects PANI layers' morphology and resonance parameters deposited on quartz crystal microbalance (QCM). The PANI layer was produced using the electrodeposition method with a scan rate variation of 10 to 50 mV/s. The PANI layer deposited at a scan rate of 10 mV/s has an aggregate morphology, whereas the morphology becomes more scattered at a higher scan rate. On the other hand, the homogeneity of the distribution of PANI particles increases due to the increase in the scan rate. The QCM impedance profile also changes with PANI layer deposition at different scan rates. The QCM impedance profile with the PANI layer that is most similar to the uncoated QCM impedance profile is at a scan rate of 10, 40 and 50 mV/s. The resonance parameters, which represent the inertial mass and the dissipative characteristics of the PANI layer, were investigated. The PANI layer with the smallest resonance parameter has a scan rate of 10 and 40 mV/s. Therefore, the 2 scan rates are the best candidates to be applied further. © 2023, Walailak University. All rights reserved.
Department of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Surabaya, Surabaya, Indonesia; Department of Physics, Faculty of Mathematics and Natural Science, Brawijaya University, Malang, Indonesia
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