Abstract
In this work, electrosynthesis of electroactive, 3D nano-/micro-structured porous polypyrrole film is presented. The PPy film was synthesized potentiostatically in a one-step process from aqueous solution of pyrrole and lithium perchlorate. The growth mechanism of such structure included: the formation of typical globular PPy film, followed by the formation of the PPy fibers, which then took part in the formation of 3D highly porous PPy structures. Preliminary studies show that such PPy film is a very good candidate as a sensing material for glucose biosensor. It exhibits very high sensitivity (28.5mAmM−1cm−2) and can work without any additional dopants, mediators or enzymes.
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