Nanofluidic diodes based on nanotube heterojunctions.
basic_science · Level V
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- Record sourced from PubMed, PMID 19603791.
- Also identified by DOI 10.1021/nl9020123.
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Abstract
The mechanism of tuning charge transport in electronic devices has recently been implemented into the nanofluidic field for the active control of ion transport in nanoscale channels/pores. Here we report the first synthesis of longitudinal heterostructured SiO(2)/Al(2)O(3) nanotubes. The ionic transport through these nanotube heterojunctions exhibits clear current rectification, a signature of ionic diode behavior. Such nanofluidic diodes could find applications in ion separation and energy conversion.