Controllable ion transport induced by pH gradient in a thermally crosslinked submicrochannel heterogeneous membrane
| Autor: | Zi-Tao Zhong, Wen-Ming Su, Yuan-Ju Tang, Yuan-Di Zhao, Shu-jie Zhang |
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| Rok vydání: | 2021 |
| Předmět: |
Materials science
Ion Transport Proton-Motive Force Ion current Triphenylamine Biochemistry Analytical Chemistry Styrene chemistry.chemical_compound Membrane chemistry Chemical engineering Electrochemistry Wettability Environmental Chemistry Molecule Wetting Porosity Spectroscopy Ion channel Ion transporter |
| Zdroj: | The Analyst. 146(22) |
| ISSN: | 1364-5528 |
| Popis: | Solid-state nanochannels have attracted considerable attention for their similar ion transport properties to biological ion channels. The construction of porous ion channels with good stability at the submicro/micrometer scale is very beneficial to develop large-area ion channel devices. In this manuscript, based on in-situ thermal crosslinking of a small organic molecule containing triphenylamine and styrene groups, we construct a heterogeneous membrane with asymmetrical charge and wettability on cylindrical anodic aluminum oxide (AAO) channels (D ≈ 319 nm). This heterogeneous membrane has typical ion current rectification characteristics with a high rectification ratio of 36.9 and good stability. This work provides an effective strategy for the construction of submicrochannel heterogeneous membranes and also broadens the application range of bionic ion channels. |
| Databáze: | OpenAIRE |
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