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Mechanically-gated electrochemical ionic channels with chemically modified vertically aligned gold nanowires

ABSTRACT: Summary Mechanically-gated ion channels play an important role in the human body, whereas it is challenging to design artificial mechanically-controlled ionic transport devices as the intrinsically rigidity of traditional electrodes. Here, we report on a mechanically-gated electrochemical channel by virtue of vertically aligned gold nanowires (v-AuNWs) as 3D stretchable electrodes. By surface modification with a self-assembled 1-Dodecanethiol monolayer, the v-AuNWs become hydrophobic and inaccessible to hydrated redox species (e.g., Graphical abstract Highlights Bio-inspired strain-gated ionic channel is demonstrated on v-AuNWs electrode v-AuNWs structures and DDT SAMs are crucial for the ionic gating behavior Current response is a tradeoff between ionic channel and electrode conductivity Bio-inspired mechanical switch is reversible and can be cycled for multiple cycles Electrochemical materials science; Materials science; Devices

SUBMITTER: Zhai Q

PROVIDER: S-EPMC8571725 | biostudies-literature |

REPOSITORIES: biostudies-literature

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