期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 35, 期 3, 页码 350-354出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201300761
关键词
adhesion; dopamine; electrical conductivity; functionalization; polypyrrole
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Ministry of Research and Innovation of Ontario
We report the functionalization of polypyrrole (PPy) with a sticky biomolecule dopamine (DA), which mimics the essential component of mussel adhesive protein. PPy is one of the most promising electrically conductive polymers with good biocompatibility. The research findings reveal that the DA functionalization enhances the dispersibility and stability of PPy in water and its film adhesion to substrate surface significantly. The electrical conductivity of PPy increases to a maximum value and then decreases with the increasing DA concentration. An optimal DA to pyrrole (Py) mole ratio is found to be between 0.1 and 0.2, at which both conductivity and adhesion of DA-functionalized PPy has been improved.
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