Abstract
Hydroxymethyl-poly(3,4-ethylenedioxythiophene)(PEDOT-OH) nanospheres self-assembled using physical blowing method, which continually used a syringe, were successfully formed through aqueous solution polymerization under the oxidative initiators. The effect of blowing on the morphological properties of PEDOT-OH was precisely evaluated based on the different amount of initiator. The concentration of ammonium persulfate might be a driving force in the self-assembly process to create the PEDOT-OH nanospheres. The electrical and electrochemical properties of the resulting nanospheres were also characterized using four-point probe and cyclic voltammetry.
Highlights
Hydroxymethyl-poly(3,4-ethylenedioxythiophene)(PEDOT-OH) nanospheres self-assembled using physical blowing method, which continually used a syringe, were successfully formed through aqueous solution polymerization under the oxidative initiators
The results indicated that the concentration of APS might have a great influence on the morphology of the resulting PEDOT-OH nanostructures
PEDOT-OH nanospheres may be formed on the monomer-acid interface during the injection of physical bubbling
Summary
Hydroxymethyl-poly(3,4-ethylenedioxythiophene)(PEDOT-OH) nanospheres self-assembled using physical blowing method, which continually used a syringe, were successfully formed through aqueous solution polymerization under the oxidative initiators. The effect of blowing on the morphological properties of PEDOT-OH was precisely evaluated based on the different amount of initiator. The formation of PEDOT nanostructures with controlled morphology and size has been considered as an important branch of material research because dimensionality could be a useful factor to determine its extraordinary properties and provide a good platform in potential applications. One-dimensional (1D) nanotubes, nanofibers or nanowires of conducting polymer have been extensively prepared using either chemical-oxidative or electrochemical methods because of their promising applications in electrical and optoelectronic nanodevices[1,2,3,4,5]. To further create different micro- and nanostructures, some studies on controlled polymerization of conducting polymers have been furtherly performed. The novel PEDOT-OH nanospheres are designed to analyze the three-dimensional shape effect for electrical properties, in comparison with one or two-dimensional shapes
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