Chemistry-driven autonomous nanopore membranes.

ABSTRACT: Fabrication of pores at the atomic scale remains a significant challenge in modern nanotechnology, hindering the study of ion transport and molecular dynamics in confined spaces. Here, we introduce a chemically controllable break-membrane approach that enables the repeated formation and closure of nanoscale pores in SiN_x membranes through manipulating the in-pore electrochemical reaction conditions by transmembrane voltage. Ionic current measurements reveal distinct conductance features that are consistent with ion dehydration and transport through highly confined channels approaching sub-nanometer dimensions. The scalable nature of this platform, which allows multiple pores to be actuated simultaneously, offers a powerful tool for probing ion transport and fluid dynamics in ext

SUBMITTER: Tsutsui M 

PROVIDER: S-EPMC12916820 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature