4.7 Article

Transporting an ionic-liquid/water mixture in a conical nanochannel: a nanofluidic memristor

期刊

CHEMICAL COMMUNICATIONS
卷 53, 期 45, 页码 6125-6127

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc01047h

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资金

  1. Guangdong Natural Science Fund for Distinguished Young Scholars [2015A030306036]
  2. Shenzhen Science and Technology Innovation Committee [KQCX20150327093155293]
  3. Fundamental Research Funds for the Central Universities [3102015ZY059]
  4. Analytical and Testing center of Northwestern Polytechnical University

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Synthetic conical nanochannels have gained attention for their ion rectification behavior, which can be used to mimic the functionalities of biological ion channels. Employing these nanochannels and inspired by biological synaptic dynamics, we herein demonstrate a new nanofluidic device as a memristor, the ion transport conductance of which depends on the history of its ion flow. The nanofluidic memristors show excellent repeatability, high ON/OFF ratios, and sufficiently long retention times, which are highly desirable for logic control and neuromorphic engineering applications in nanofluidic systems as well as for fundamental transport studies of ionic liquids on a nanoscale.

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