Effect of 16-mercaptohexadecanoic acid modification on liquid transport in a nanoporous carbon

被引：2
|
作者：
Lu, Weiyi [1 ]
Han, Aijie [2 ]
Kim, Taewan [3 ]
Qiao, Yu [1 ,3 ]
机构：
[1] Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA
[2] Univ Texas Pan Amer, Dept Chem, Edinburg, TX 78539 USA
[3] Univ Calif San Diego, Program Mat Sci & Engn, La Jolla, CA 92093 USA
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 22期
基金：
美国国家科学基金会;
关键词：
carbon; flow through porous media; nanoporous materials; organic compounds; surface chemistry; wetting; INFILTRATION PRESSURE;
D O I：
10.1063/1.3149826
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The inner surfaces of a nanoporous carbon are modified by 16-mercaptohexadecanioic acid. The degree of wettability is electrically controllable: by applying a negative potential difference across the solid-liquid interface, the ion transport pressure in the nanopores can be considerably lowered; while the effect of applying a positive potential difference is negligible. These phenomena can be attributed to the unique surface chain configuration in the confining nanoenvironment.
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页数：3
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