We present the memory performance of devices with bistable electrical behavior based on polymer materials. We demonstrate that adding photosensitive particles to admixture allows us to control switching voltages and to observe photo-induced switching in addition to electrical one. From the properties of electrically-induced resistive switching and from the presence of light-induced switching we propose the necessity to consider crossover between to different switching mechanisms – filament formation and charge storage.
We present the memory performance of devices with bistable electrical behavior based on MEH-PPV (Poly (1-methoxy-4-(2-ethylhexyloxy)-p-phenylenevinylene)) containing metal (Zn or Fe-Ni) particles. Another memory device based on aluminum phthalocyanine chloride (PcAlCl) added to the composite material reveals the photoinduced switching, in addition to the electrical one. Possible mechanisms for resistive switching are discussed.
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