Flexible bio-memristive (FBM) devices utilizing chicken egg albumen (CEA):Au@SiO core-shell nanoparticle nanocomposites were fabricated on indium-tin-oxide (ITO) coated polyethylene naphthalate (PEN) substrates. Current-voltage (I-V) curves for the Al/CEA:Au@SiO core-shell nanoparticle/ITO/PEN devices showed clockwise current hysteresis behaviors due to the existence of the CEA:Au@SiO core-shell nanoparticle nanocomposites. The endurance number of the ON/OFF switching for the FBM devices was above 10 cycles. An ON/OFF current ratio of 1 × 10 was maintained for retention times longer than 1 × 10 s. The memory characteristics of the FBM devices after bending were similar to those before bending. The memory margin and the stability of FBM devices were enhanced due to the embedded Au@SiO core-shell nanoparticles. The switching mechanisms occurring in the Al/CEA:Au@SiO core-shell nanoparticle/ITO-coated PEN devices are described on the basis of the I-V results and the filament mechanisms.
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| http://dx.doi.org/10.1038/s41598-017-12209-6 | DOI Listing |
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