Polypyrrole Micro/Nanostructure Prepared Using Azo Dyes with Different Substituents

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DOI: 10.4236/ampc.2012.24B024    5,422 Downloads   13,074 Views  Citations

ABSTRACT

This contribution deals with simple way of polypyrrole structure modification. Using azo dyes in polymerization reaction as soft-template with similar molecular structure but different type and distribution of substitution groups lead to formation of one-dimensional and newly also three-dimensional polypyrrole micro/nanostructures. These structures are characteristic with geometrical symmetry and uniformity. Geometry of prepared structures was studied by scanning electron microscopy (SEM) and by methods of image analysis; nanotubes are hundreds of nm in diameter and units of μm in length, new tree-dimensional structures have units of μm in diameter. Infrared spectra (ATR-FTIR) confirmed that azo dyes work only as intermediate supporting structures without reaction with polypyrrole.

 

 

 

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D. Kopecky, J. Skodova, M. Vrnata and P. Fitl, "Polypyrrole Micro/Nanostructure Prepared Using Azo Dyes with Different Substituents," Advances in Materials Physics and Chemistry, Vol. 2 No. 4B, 2012, pp. 89-91. doi: 10.4236/ampc.2012.24B024.

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