Polymer-mediated dendritic growth of a transition metal salt crystal as a template for morphogenesis

Yuya Oaki, Ryo Muramatsu, Hiroaki Imai

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Dendritic morphologies of a metal oxide, metal and conductive polymer were obtained by using the dendrites of a transition metal salt as a template. Dendrites of the transition metal salt, copper acetate monohydrate (Cu(CH3COO)2 ·H2O), were prepared under diffusion-controlled conditions in a polymer matrix, such as poly(vinyl alcohol; PVA). The resultant dendrites of Cu(CH3COO)2 ·H2O acted as a self-template and were converted to divalent copper oxide (CuO) by the thermal treatment with the removal of PVA. The macroscopic CuO dendritic shapes consisting of the nanocrystals were obtained, and the resultant CuO was reduced to metallic copper (Cu) without morphological changes. The dendritic morphologies of polypyrrole (PPy) were obtained by the diffusion of pyrrole (Py) vapor to the Cu(CH3COO)2 ·H2O dendrites, which acted as the reactive template. The oxidative polymerization of Py provided PPy in the PVA matrix. These results suggest that the approach to morphogenesis presented herein can be applied to other metal oxides, metals and polymers.

Original languageEnglish
Pages (from-to)183-189
Number of pages7
JournalPolymer Journal
Volume47
Issue number2
DOIs
Publication statusPublished - 2015 Feb 7

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

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