Electrochemical control of ion transport through a mesoporous carbon membrane

Sumedh P. Surwade; Song Hai Chai; Jai Pil Choi; Xiqing Wang; Je Seung Lee; Ivan V. Vlassiouk; Shannon M. Mahurin; Sheng Dai

doi:10.1021/la404669m

Electrochemical control of ion transport through a mesoporous carbon membrane

Sumedh P. Surwade, Song Hai Chai, Jai Pil Choi, Xiqing Wang, Je Seung Lee, Ivan V. Vlassiouk, Shannon M. Mahurin, Sheng Dai

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

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.

Original language	English
Pages (from-to)	3606-3611
Number of pages	6
Journal	Langmuir
Volume	30
Issue number	12
DOIs	https://doi.org/10.1021/la404669m
State	Published - Apr 1 2014

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author = "Surwade, {Sumedh P.} and Chai, {Song Hai} and Choi, {Jai Pil} and Xiqing Wang and Lee, {Je Seung} and Vlassiouk, {Ivan V.} and Mahurin, {Shannon M.} and Sheng Dai",

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AU - Surwade, Sumedh P.

AU - Chai, Song Hai

AU - Choi, Jai Pil

AU - Wang, Xiqing

AU - Lee, Je Seung

AU - Vlassiouk, Ivan V.

AU - Mahurin, Shannon M.

AU - Dai, Sheng

PY - 2014/4/1

Y1 - 2014/4/1

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AB - 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.

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Electrochemical control of ion transport through a mesoporous carbon membrane

Abstract

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