Electrochemical Control of Ion Transport through a Mesoporous Carbon Membrane

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• 作者：Sumedh P. Surwade ; Song-Hai Chai ; Jai-Pil Choi ; Xiqing Wang ; Je Seung Lee ; Ivan V. Vlassiouk ; Shannon M. Mahurin ; Sheng Dai
• 刊名：Langmuir
• 出版年：2014
• 出版时间：April 1, 2014
• 年：2014
• 卷：30
• 期：12
• 页码：3606-3611
• 全文大小：374K
• 年卷期：v.30,no.12(April 1, 2014)
• ISSN：1520-5827

文摘

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.