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    Title: Programmable ionic conductance in a pH-regulated gated nanochannel
    Authors: Ma, Yu;Song Xue;Hsu, Shih-Chieh;Yeh, Li-Hsien;Shizhi Qian;Heping Tan
    Contributors: 淡江大學化學工程與材料工程學系
    Date: 2014-10
    Issue Date: 2015-01-28 11:07:04 (UTC+8)
    Publisher: United Kingdom: R S C Publications
    Abstract: An analytical model for the ionic conductance in a pH-regulated nanochannel gated by a field effect transistor is derived for the first time. In contrast to the existing studies, the developed model takes into account the practical effects of multiple ionic species, surface chemistry reactions, the Stern layer, and electroosmotic flow. The model is validated by the experimental data of ionic conductance available in the literature. Results show that the performance of the field effect control of the ionic conductance in the gated silica nanochannel is remarkable when the solution pH and salt concentration are low. In addition, the Stern layer effect on the ionic conductance is significant when the salt concentration is low.
    Relation: Physical Chemistry Chemical Physics 2014, Issue 37, pp.20138-20146
    DOI: 10.1039/c4cp02349h
    Appears in Collections:[化學工程與材料工程學系暨研究所] 期刊論文

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