Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 2, Issue 11, Pages 3179-3184Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am1006595
Keywords
carbon; porous electrodes; interference lithography; methanol oxidation; conducting polymers
Funding
- United Stated Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
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Increased mass transport due to hemispherical diffusion is observed to occur in 3D porous carbon electrodes defined by interferometric lithography. Enhanced catalytic methanol oxidation, after modifying the porous carbon with palladium nanoparticles, and uncharacteristically uniform conducting polymer deposition into the structures are demonstrated. Both examples result in two regions of the hierarchical porosity that can be created to maximize surface via nanostructuring within the extended porous network, while taking advantage of hemispherical diffusion through the open pores.
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