The electrical resistances of poly(N-isopropylacrylamide), poly-(NIPA), upon thermal phase transition between the swollen hydrogel (20 °C) and solid (40 °C) states are analyzed by Faradaic impedance spectroscopy, chronopotentiometry, and cyclic voltammetry. The incorporation of Au-nanoparticles into the poly-(NIPA) by a thermal “breathing-in” process, reduces the electron transfer resistance in the solid composite material.
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Sheeney‐Haj‐Ichia et al. (2002) studied this question.
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