Formation of ionic depletion/enrichment zones in a hybrid micro-/ nano-channel

Kuan Da Huang, Ruey Jen Yang

研究成果: Article

35 引文 斯高帕斯(Scopus)

摘要

This study fabricates a cross-form microchip in which the two side channels are attached to the main channel via a nanochannel bridge. Ionic depletion and enrichment zones are established on the anodic and cathodic sides of the nanochannel. Results show that the low conductivity within the depletion zone induces a rapid electroosmotic flow, which in turn prompts the generation of vortex flow structures within the depletion zone. Both the lengthening of the depletion bulk charge layer and decrease in length of the diffusion layer as the applied voltage is increased are also demonstrated in this study.

原文English
頁(從 - 到)631-638
頁數8
期刊Microfluidics and Nanofluidics
5
發行號5
DOIs
出版狀態Published - 2008 三月 27

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Materials Chemistry

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