Abstract
AbstractGraphene, as an important ideal two‐dimensional material, is driving more and more attention because of its unique mechanical strength and chemical stability. In this work, the rectification effect of nanopores in graphene/PET structure at different KCl concentration is investigated. Porous graphene membrane is obtained by using heavy ion irradiation technology. During investigating the ion current rectification effect, PET membrane with conical pores acts as porous graphene's substrate. The rectification coefficient of nanopores in graphene/PET is deduced from the current‐voltage curves at KCl solution with different concentrations. The porous graphene/PET shows a relative higher rectification ratio and is more resistive to pH value while comparing the nanopores in PET. (© 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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