Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3073861
Keywords
bubbles; conducting polymers; electrochemistry; polymerisation
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Funding
- MEST/KOSEF
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We investigated the microcontainer shape in electropolymerization of polypyrrole (PPy) on bubbles using real-time microradiography. We revealed the existence of a deformation force at the three-phase boundary among gas (bubble), liquid (electrolyte), and solid (PPy). As the deformation force increases, the microcontainer shape gradually changes from spherical to elliptical and then to cylindrical. The force is proportional to the polymerization rate that is enhanced by the applied voltage and monomer concentration.
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