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- Title
Effective Modulation of Ion Mobility through Solid-State Single-Digit Nanopores.
- Authors
Ji, Anping; Wang, Bo; Xia, Guofeng; Luo, Jinjie; Deng, Zhenghua
- Abstract
Many experimental studies have proved that ion dynamics in a single-digit nanopore with dimensions comparable to the Debye length deviate from the bulk values, but we still have critical knowledge gaps in our understanding of ion transport in nanoconfinement. For many energy devices and sensor designs of nanoporous materials, ion mobility is a key parameter for the performance of nanofluidic equipment. However, investigating ion mobility remains an experimental challenge. This study experimentally investigated the monovalent ion dynamics of single-digit nanopores from the perspective of ionic conductance. In this article, we present a theory that is sufficient for a basic understanding of ion transport through a single-digit nanopore, and we subdivided and separately analyzed the contribution of each conductance component. These conclusions will be useful not only in understanding the behavior of ion migration but also in the design of high-performance nanofluidic devices.
- Subjects
IONIC mobility; NANOPORES; DEBYE length; NANOPOROUS materials; NANOFLUIDIC devices; ION mobility
- Publication
Nanomaterials (2079-4991), 2022, Vol 12, Issue 22, p3946
- ISSN
2079-4991
- Publication type
Article
- DOI
10.3390/nano12223946