Figure 7.

The characteristic I-V curves for the integrated micro-nano pore in different KCl solutions. The size of the Si3N4pore is 2.0 μm; the KCl solutions are from 0.01 to 1.0 mol/L.

Liu et al. Nanoscale Research Letters 2013 8:498   doi:10.1186/1556-276X-8-498
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