整改
纳米孔
纳米技术
半导体
材料科学
离子
二极管
电压
电流(流体)
光电子学
化学
电气工程
工程类
有机化学
作者
Ivan Vlassiouk,Zuzanna S. Siwy
出处
期刊:Nano Letters
[American Chemical Society]
日期:2007-02-21
卷期号:7 (3): 552-556
被引量:553
摘要
We present a nanofluidic diode that at voltage range -5 to +5 V rectifies ion current with degrees of rectification reaching several hundreds. The diode is based on a single asymmetric nanopore whose surface was patterned so that a sharp boundary between positively and negatively charged regions is created. This boundary defines a zone that is enriched with positive and negative ions or creates a depletion zone. The principle of operation of the nanofluidic diode is analogous to that of a bipolar semiconductor diode.
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