1. Conductivity of Ionic Liquids at the Nanoscale Zuzanna S
Conductivity of Ionic Liquids at the Nanoscale Zuzanna S. Siwy, University of California, Irvine
Ion current rectification in single conical nanopores with a diameter less than 10 nm was observed with two ionic liquids.
Single pore membrane
(5, 27)
(5, 390)
(-5, -40)
(-5, -580)
[BMIM][CH3SO4] in 5 nm pore
[EMIM][Tf2N] in 8 nm pore
[BMIM][CH3SO4]
[EMIM][Tf2N]
Region with DNA containing high negative surface charge density
Current-voltage curve through a conical pore with a junction between negative surface charges of carboxyls and a neutral zone. Diameter of this pore was 10 nm.
Current-voltage curve through a conical pore with a junction between a zone with DNA and a zone with COOH groups. A zone with DNA contains a high surface charge density.