Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 26, Issue 22, Pages 1784-1787Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200500534
Keywords
gold nanoparticles; hydrogels; nanocomposites; thermoswitchable electrical property
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A well-dispersed gold nanoparticle/poly(N-isopropylacrylamide) (PNIPAm) hydrogel nanocomposite With thermoswitchable electrical properties is prepared by the copolymerization of functional Au nanoparticles with N-isopropylacrylamide. It is found that the electrical conductivity of the nanocomposite changes by two orders of magnitude at moderate temperature (T-tran) upon temperature stimuli. The change of electrical properties is reversible during a heating and cooling cycle.
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