Electric Field Mediated Ion Transport Through Charged Mesoporous Membranes


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Schmuhl, Riaan and Lint de, W.B. Samuel and Keizer, Klaas and Berg van den, Albert and Elshof ten, Johan E. (2003) Electric Field Mediated Ion Transport Through Charged Mesoporous Membranes. In: Membranes - Synthesis, Properties and Applications. Materials Research Society, Warrendale, PA, AA9.3.1-AA9.3.6. ISBN 9781558996892

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Abstract:The transport of ions from aqueous solutions through a stacked Au/alpha-alumina/gamma-alumina/Au membrane under the influence of a dc potential difference is reported. The membrane shows high cation permselectivity at ionic strengths of ~1 mM at pH 4.3-6.5, which is associated with a combination of anion adsorption and double-layer overlap inside the pores of the gamma-alumina layer. The cation flux can be controlled by ionic strength, dc potential difference and pH.
Item Type:Book Section
Copyright:© 2003 Materials Research Society
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/40809
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Metis ID: 214854