Journal
LANGMUIR
Volume 28, Issue 10, Pages 4805-4810Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la204605m
Keywords
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Funding
- Institute of Soldier Nanotechnologies
- U.S. Army Research Office [W911NF-07-D-0004, T.O.4.]
- Center for Materials Science and Engineering (CMSE)
- Materials Research Science and Engineering Center (MRSEC)
- National Science Foundation [DMR-08-19762]
- MIT Materials Processing Center
- Biolnstrumentation Laboratory at MIT
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A simple, novel method of synthesizing self-assembled, nanostructured conducting polymer films has been developed. Applying an increased centrifugal force on the electrodes during the electrochemical deposition process yields high surface area, micro- or nanostructured polymer films. Scanning electron microscopy showed that as the applied g-force increased, the polymers progressed from having smooth, cauliflower morphologies, to intermediate microsttuctured surfaces, to finally dense nanostructured surfaces with pore sizes as small as 50 nm. Cyclic voltammetry revealed that films grown at higher centrifugal accelerations (higher than 500g) exhibited less degradation after electrochemical cycling and more capacitive behavior.
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