Complexes formed from oppositely charged polymers are relevant in a range of applications ranging from water purification to biomedical implants. This talk is an overview of some of our work in this area, much of which involves uses of the electrochemical quartz crystal microbalance (eQCM). When correctly applied, the quartz crystal microbalance behaves as a fixed-frequecy rheometer, able to quantify the viscoelastic response of the material at 15 MHz with a precision that rivals that obtained with conventional, low frequency shear rheometry. A variety of examples involving the use of this technique to study material interfaces in the presence of charged polymers will be discussed.

Deposition, mechanics and phase behavior of polyelectrolyte complex films

253rd National Meeting (2017)

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