Polyaniline “Nanotube” Self‐Assembly: The Stage of Granular Agglomeration on Nanorod Templates | Zendy

Laslau Cosmin | Zendy; Zujovic Zoran D. | Zendy; TravasSejdic Jadranka | Zendy

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Polyaniline “Nanotube” Self‐Assembly: The Stage of Granular Agglomeration on Nanorod Templates

Author(s) -

Laslau Cosmin,

Zujovic Zoran D.,

TravasSejdic Jadranka

Publication year - 2009

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.200900244

Subject(s) - polyaniline , nanorod , agglomerate , materials science , nanostructure , template , nanotechnology , nanotube , self assembly , economies of agglomeration , nanoparticle , chemical engineering , polyaniline nanofibers , polymer , composite material , carbon nanotube , polymerization , engineering

The identification and control of a critical stage of polyaniline “nanotube” self‐assembly is presented, namely the granular agglomeration or growth onto nanorod templates. When the synthesis pH is held above 2.5, smooth insulating nanorods exhibiting hydrogen bonding and containing phenazine structures are produced, while below pH 2.5, small 15–30 nm granular polyaniline nanoparticles appear to agglomerate onto the available nanorod surface, apparently improving conductivity of the resulting structures by three orders of magnitude. This finding affects both fundamental theories of polyaniline nanostructure self‐assembly and their practical applications.

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