Polypyrrole nanoparticles: control of the size and morphology

A method of controlling the size and morphology of polypyrrole nanoparticles is successfully developed by using the combination of various non-ionic and anionic surfactants and polymerization temperatures during the synthesis

Monika Paúrová; Ivana Šeděnková; Jiřina Hromádková; Michal Babič

2020

Scholarcy highlights

  • A method of controlling the size and morphology of polypyrrole nanoparticles is successfully developed by using the combination of various non-ionic and anionic surfactants and polymerization temperatures during the synthesis
  • Uniform PPy-NPs are prepared via water-based redox heterogeneous polymerization of pyrrole in the presence of ammonium persulphate as an oxidant
  • The properties of the prepared materials are evaluated by a transmission electron microscopy and dynamic light scattering in terms of particles morphology, colloidal stability, zeta potential and hydrodynamic size and distribution
  • The size and morphology of polypyrrole nanoparticles prepared by a polymerization of pyrrole with ammonium persulphate can be controlled by various types and concentrations of surfactants with the hydrophilic-lipophilic balance values between 10‒16 and by the polymerization temperature
  • Gilbert RG, Hess M, Jenkins AD, Jones RG, Kratochvíl P, Stepto RFT Pure Appl Chem 81:351–353 CAS Google Scholar

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