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Researchers have been looking for novel materials to improve the performance of photonic devices. Graphene has great potential to optoelectronic applications because of its excellent optical properties. Here, we demonstrate using the graphene-based photodetectors for infrared detection under a zero-bias operation. We have demonstrated to use an electric-field-assisted method to manipulate graphene...
Recently, global scientists have drawn attentions of study of graphene. Graphene has a lot of potential applications in nanoelectronics and nanophotonics. We have demonstrated to use an electric-field-assisted method to manipulate graphene flakes between metal micro electrodes successfully. The size of the graphene flake can be as large as 15 μm × 15 μm. I-V characteristics of the graphene flakes...
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