Abstract

AbstractA microemulsion polymerization for the synthesis of poly(3,4‐ethylenedioxythiophene) (PEDOT) nanoparticles is described. Spherical and electrically conducting PEDOT particles with diameters as small as 27 ± 8 nm were obtained by using decyltrimethylammonium bromide as a cationic surfactant. PEDOT nanoparticle multilayers, alternated with poly(styrene sulfonate), were prepared by the layer‐by‐layer deposition technique. Electrochemical surface plasmon resonance experiments revealed a ten‐fold increase in the switching time between redox states as compared with Baytron P/poly(ethyleneimine) multilayers. The enhanced charge transport can be attributed to an improved diffusion of the charge‐balancing counterions into the PEDOT nanoparticles.magnified image

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