Ion transport in mesoporous silica SBA-16 thin films with 3D cubic structures

Mesoporous silica SBA-16 thin films with highly ordered 3D cubic structures were synthesized on a Si substrate via the dip-coating method. After these films were filled with KCl aqueous solutions, the ionic current passing through the mesopores was measured by applying dc electric fields. At low ion...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 28(2012), 7 vom: 21. Feb., Seite 3671-7
1. Verfasser: Daiguji, Hirofumi (VerfasserIn)
Weitere Verfasser: Hwang, Junho, Takahashi, Asuka, Kataoka, Sho, Endo, Akira
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Silicon Dioxide 7631-86-9
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520 |a Mesoporous silica SBA-16 thin films with highly ordered 3D cubic structures were synthesized on a Si substrate via the dip-coating method. After these films were filled with KCl aqueous solutions, the ionic current passing through the mesopores was measured by applying dc electric fields. At low ion concentrations, the measured I-V curves were nonlinear and the current increased exponentially with respect to voltage. As the ion concentration increased, the I-V curve approached linear behavior. The nonlinear behavior of I-V curves can be reasonably attributed to the electric potential barrier created in nanopores 
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700 1 |a Takahashi, Asuka  |e verfasserin  |4 aut 
700 1 |a Kataoka, Sho  |e verfasserin  |4 aut 
700 1 |a Endo, Akira  |e verfasserin  |4 aut 
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