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One-step synthesis and self-organization of polypyrrole ultrathin films inlayed with Prussian blue nanoparticles induced by a drop of toluene solution on water surface

Wang, Huihui ; Guo, Changfa ; Zhou, Shilin ; Hu, Xin ; Hu, Yong ; Li, Fenfen ; Miao, Yuqing

Thin Solid Films, Jan 1, 2012, Vol.520(6), p.2026(6) [Periódico revisado por pares]

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  • Título:
    One-step synthesis and self-organization of polypyrrole ultrathin films inlayed with Prussian blue nanoparticles induced by a drop of toluene solution on water surface
  • Autor: Wang, Huihui ; Guo, Changfa ; Zhou, Shilin ; Hu, Xin ; Hu, Yong ; Li, Fenfen ; Miao, Yuqing
  • Assuntos: Thin Films ; Toluene ; Thiophene ; Iron Compounds ; Nanoparticles ; Heterocyclic Compounds
  • É parte de: Thin Solid Films, Jan 1, 2012, Vol.520(6), p.2026(6)
  • Descrição: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.tsf.2011.09.077 Byline: Huihui Wang, Changfa Guo, Shilin Zhou, Xin Hu, Yong Hu, Fenfen Li, Yuqing Miao Keywords: Interface synthesis; Self-organization; Polypyrrole, Prussian blue Abstract: A strategy was described for one-step synthesis and self-organization of polypyrrole (PPy) ultrathin films inlayed with Prussian blue (PB) nanoparticles. The formation of ultrathin films is induced by a drop of toluene solution on aqueous surface, and the organization process is accompanied by the shrinkage of organic layer area on water surface due to the evaporation of toluene. On the one hand, the combination of the downward gravity force from the toluene solution of pyrrole and its upward buoyancy force drives the toluene solution of pyrrole to collapse downwards and scatter outwards on water surface. On the other hand, the strong adhesion ability of PPy and the hydrophobic action between the toluene solution of pyrrole and water drives the upper organic layer to reunite. In addition, the dispersion of toluene solvent toward pyrrole monomers and the retraction of its evaporation kinetics toward the produced PPyPB nanocomposites play a great role here. All of these forces yield a close-packed ultrathin PPy films with inlayed PB nanoparticles. The suggested strategy for preparing ultrathin films of PPy inlayed with PB nanoparticles is very simple. Due to the existence of PPy, the obtained composite films could be easily transferred and anchored onto the solid surface. Article History: Received 5 March 2011; Revised 22 September 2011; Accepted 28 September 2011
  • Idioma: English

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