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In this article, graphene/ZnO Schottky contacts with different ion doping were fabricated by the sol–gel method. The results showed that the nanoparticles growth on the surface of ZnO film was limited by ion doping, and the number and size of nanoparticles decreased for B ion doping. Further, the ZnO film band gap presented a decreasing trend with B, Al and B-Al ion doping. The electrical properties...
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