Superhydrophobicity-mediated electrochemical reaction along the solid-liquid-gas triphase interface: edge-growth of gold architectures.
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.
Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190, P. R. China.
Yuchen
Y
Wu
Kesong
K
Liu
Bin
B
Su
Lei
L
Jiang
electrochemistry; gold; micropillars; superhydrophobicity