Abstract

We describe the use of C60 fullerene molecules as the charge storage medium in an insulating poly-vinyl-phenol (PVP)polymer. The simple metal–organic–metal (MOM) sandwich structure devices depositedfrom solution exhibit distinct high and low conduction states, which can be used toprogram read, write and erase memory operations. The charge transfer and retention inC60 molecules at room temperature has been confirmed by capacitance–voltage and Ramanspectroscopy measurements. Conducting atomic force microscopy has been used todemonstrate that high and low conductance states persist even at the nanoscale.

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