Ionic Field Effect Transistors with Sub-10 nm Multiple Nanopores

被引:248
|
作者
Nam, Sung-Wook [1 ]
Rooks, Michael J. [2 ]
Kim, Ki-Bum [1 ]
Rossnagel, Stephen M. [2 ]
机构
[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea
[2] IBM Corp, Thomas J Watson Res Ctr, Yorktown Hts, NY 10598 USA
关键词
ATOMIC LAYER DEPOSITION; ALUMINA TUBULAR MEMBRANES; DNA TRANSLOCATION; PORE REDUCTION; TRANSPORT; FABRICATION; MOLECULES;
D O I
10.1021/nl900309s
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We report a new method to fabricate electrode-embedded multiple nanopore structures with sub-10 nm diameter, which is designed for electrofluidic applications such as ionic field effect transistors. Our method involves patterning pore structures on membranes using e-beam lithography and shrinking the pore diameter by a self-limiting atomic layer deposition process. We demonstrate that 70-80 nm diameter pores can be shrunk down to sub-10 nm diameter and that the ionic transport of KCl electrolyte can be efficiently manipulated by the embedded electrode within the membrane.
引用
收藏
页码:2044 / 2048
页数:5
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