Superhydrophobicity-mediated electrochemical reaction along the solid-liquid-gas triphase interface: edge-growth of gold architectures.
basic_science · Level V
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- Record sourced from PubMed, PMID 24243745.
- Also identified by DOI 10.1002/adma.201304062.
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Abstract
A superhydrophobic pillar-structured electrode leads to uncommon electrochemical behavior. The anti-wetting reaction surface restricts the contact between electrolyte and electrode to the pillar tops, as a result of trapped air pockets in the gaps between pillars. The electrochemical reaction occurs mainly at the solid/liquid/gas triphase interface, instead of the traditional solid/liquid diphase surface, yielding unique edge-growth structures - for example gold microflowers - on the top of each pillar.