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Rectified photocurrent in a planar ITO/graphene/ITO photodetector on SiC by local irradiation of ultraviolet light
Yang, J. W.; L. W. Guo; J. Huang; Q. Mao; Y. L. Guo; Y. P. Jia; T. H. Peng and X. L. Chen
2017
发表期刊Journal of Physics D-Applied Physics
卷号50期号:40
摘要A rectified photocurrent behaviour is demonstrated in a simple planar structure of ITO-graphene-ITO formed on a SiC substrate when an ultraviolet (UV) light is locally incident on one of the edges between the graphene and ITO electrode. The photocurrent has similar characteristics as those of a vertical structure graphene/semiconductor junction photodiode, but is clearly different from those found in a planar structure metal-graphene-metal device. Furthermore, the device behaves multi-functionally as a photodiode with sensitive UV photodetection capability (responsivity of 11.7 mA W-1 at 0.3 V) and a self-powered UV photodetector (responsivity of 4.4 mA W-1 at zero bias). Both features are operative in a wide dynamic range and with a fast speed of response in about gigahertz. The linear I-V behaviour with laser power at forward bias and cutoff at reverse bias leads to a conceptual photodiode, which is compatible with modern semiconductor planar device architecture. This paves a potential way to realize ultrafast graphene planar photodiodes for monolithic integration of graphene-based devices on the same SiC substrate.
收录类别sci ; ei
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/59380
专题中科院长春光机所知识产出
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Yang, J. W.,L. W. Guo,J. Huang,et al. Rectified photocurrent in a planar ITO/graphene/ITO photodetector on SiC by local irradiation of ultraviolet light[J]. Journal of Physics D-Applied Physics,2017,50(40).
APA Yang, J. W..,L. W. Guo.,J. Huang.,Q. Mao.,Y. L. Guo.,...&T. H. Peng and X. L. Chen.(2017).Rectified photocurrent in a planar ITO/graphene/ITO photodetector on SiC by local irradiation of ultraviolet light.Journal of Physics D-Applied Physics,50(40).
MLA Yang, J. W.,et al."Rectified photocurrent in a planar ITO/graphene/ITO photodetector on SiC by local irradiation of ultraviolet light".Journal of Physics D-Applied Physics 50.40(2017).
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