Proton Coulomb Blockade Nanopore

Proton gating by voltage

Nonlinear proton transport via covalent bond switching of functional groups, paving the way for proton-based nanofluidic devices.

Yuwei, Cao · Zhou, Wanqi · Chun, Shen · Qiu, Hu · Guo, Wanlin

Physical Review Letters 2024

Advantages

Nonlinear current-voltage characteristics

Covalent O-H bond switching under electric field

Knock-on mechanism favored over Grotthuss mechanism