期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 117, 期 29, 页码 15306-15315出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp403330d
关键词
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The confinement and the understanding of ion transport through ionic channels when they are confined inside solid-state nanopores smaller than 10 nm remains a challenge. Here we report on the fabrication of biomimetic nanopores with high length (5 mu m)/diameter (smaller than 10 nm) ratio obtained using both a track-etched technique and atomic layer deposition on flexible membranes. These membranes present uniform hydrophobic nanopores with a low roughness inside the pores. Gramicidin A is then confined inside nanopores (diameter 10.6, 5.7, and similar to 2 nm) leading to the NaCl ionic transport mechanism through a hybrid nanopore similar to the biological ones especially for small diameter (5.7 and similar to 2 nm).
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