Electrochemical Control of Ion Transport through a Mesoporous Carbon Membrane

We report a carbon-based, three-dimensional nanofluidic transport membrane that enables gated, or on/off, control of the transport of organic molecular species and metal ions using an applied electrical potential. In the absence of an applied potential, both cationic and anionic molecules freely dif...

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Veröffentlicht in:Langmuir 2014-04, Vol.30 (12), p.3606-3611
Hauptverfasser: Surwade, Sumedh P, Chai, Song-Hai, Choi, Jai-Pil, Wang, Xiqing, Lee, Je Seung, Vlassiouk, Ivan V, Mahurin, Shannon M, Dai, Sheng
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Sprache:eng
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Zusammenfassung:We report a carbon-based, three-dimensional nanofluidic transport membrane that enables gated, or on/off, control of the transport of organic molecular species and metal ions using an applied electrical potential. In the absence of an applied potential, both cationic and anionic molecules freely diffuse across the membrane via a concentration gradient. However, when an electrochemical potential is applied, the transport of ions through the membrane is inhibited.
ISSN:0743-7463
1520-5827
DOI:10.1021/la404669m