Control of the Electronic Properties of Thermosensitive Poly(N-isopropylacrylamide) and Au-Nano-particle/Poly(N-isopropylacrylamide) Composite Hydrogels upon Phase Transition

Laila Sheeney‐Haj‐Ichia; Galit Sharabi; Itamar. Willner

doi:10.1002/1616-3028(20020101)12:1<27::aid-adfm27>3.0.co;2-t

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Control of the Electronic Properties of Thermosensitive Poly(N-isopropylacrylamide) and Au-Nano-particle/Poly(N-isopropylacrylamide) Composite Hydrogels upon Phase Transition

Laila Sheeney‐Haj‐Ichia Galit Sharabi Itamar. Willner

Year: 2002 Journal: Advanced Functional Materials Vol: 12 (1)Pages: 27-27 Publisher: Wiley

DOI: 10.1002/1616-3028(20020101)12:1<27::aid-adfm27>3.0.co;2-t

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Abstract

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.

Keywords:

Poly(N-isopropylacrylamide) Materials science Cyclic voltammetry Dielectric spectroscopy Composite number Phase transition Self-healing hydrogels Nanoparticle Chemical engineering Phase (matter) Particle (ecology) Polymer chemistry Nanotechnology Composite material Copolymer Polymer Physical chemistry Electrochemistry Thermodynamics Electrode Organic chemistry Chemistry

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Hydrogels: synthesis, properties, applications

Life Sciences → Biochemistry, Genetics and Molecular Biology → Molecular Medicine

Advanced Sensor and Energy Harvesting Materials

Physical Sciences → Engineering → Biomedical Engineering

Polymer Nanocomposite Synthesis and Irradiation

Physical Sciences → Materials Science → Polymers and Plastics

Control of the Electronic Properties of Thermosensitive Poly(N-isopropylacrylamide) and Au-Nano-particle/Poly(N-isopropylacrylamide) Composite Hydrogels upon Phase Transition

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