Jump to main content
Jump to site search

Issue 13, 2007
Previous Article Next Article

Improving the electrical conductivity of polymer acid-doped polyaniline by controlling the template molecular weight

Author affiliations

Abstract

We report the synthesis and characterization of a series of polyanilines (PANI) that are templated with a polymer acid at varying molecular weights. The polymer acid template of choice, poly(2-acrylamido-2-methyl-1-propanesulfonic acid), or PAAMPSA, was synthesized via conventional free-radical polymerization with molecular weights ranging from 45 kg mol−1 to 724 kg mol−1. Subsequent aniline polymerization in the presence of PAAMPSA yielded water-dispersible, conductive PANI–PAAMPSA. The electrical conductivity of PANI–PAAMPSA increases by approximately three-fold with decreasing PAAMPSA molecular weight. This trend is accompanied by significant structural changes, including increases in PANI crystallinity and conjugation length. These conductivities (0.4–1.1 S cm−1) exceed the highest reported for polymer acid-doped PANI systems.

Graphical abstract: Improving the electrical conductivity of polymer acid-doped polyaniline by controlling the template molecular weight

Back to tab navigation
Please wait while Download options loads

Publication details

The article was received on 19 Dec 2006, accepted on 22 Jan 2007 and first published on 08 Feb 2007


Article type: Paper
DOI: 10.1039/B618521E
Citation: J. Mater. Chem., 2007,17, 1268-1275
  •   Request permissions

    Improving the electrical conductivity of polymer acid-doped polyaniline by controlling the template molecular weight

    J. E. Yoo, J. L. Cross, T. L. Bucholz, K. S. Lee, M. P. Espe and Y. Loo, J. Mater. Chem., 2007, 17, 1268
    DOI: 10.1039/B618521E

Search articles by author