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Electrical Bistability and Conduction Mechanisms of Zinc Oxide/Polyvinylpyrrolidone Nanocomposites Bistable Devices

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Zinc oxide (ZnO)/polyvinylpyrrolidone (PVP) nanocomposite were synthesized using a simple in-situ reaction method and investigated as active lays in bistable devices. From the current–voltage characteristics, we found that the device with ZnO NPs and PVP nanocomposites had an ON/OFF ratio two orders of magnitude higher than that with pure ZnO NPs or the simple blend of the ZnO NPs and PVP, which opens up a great opportunity to achieve high performance memory devices. We attributed the significant enhancement upon the better film morphology of the nanocomposite film and its better charge carrier storage capability as a result of the covalent bonding between the particles and polymers.
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Keywords: BISTABLE DEVICES; NANOCOMPOSITES; ZNO NANOPARTICLES

Document Type: Research Article

Publication date: April 1, 2016

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  • Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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