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Review Article

Polarization-Dependent Optical Properties and Optoelectronic Devices of 2D Materials

Figure 9

Photodetectors and photocurrent mapping based on anisotropic 2D materials. (a) Schematic view of ultrasensitive photodetector based on 2D GeSe2. (b) Ultraviolet photodetector and anisotropic photoresponsivity of few-layer BP. (c) Schematic view of highly sensitive photodetector based on anisotropic ReSe2 nanosheets. (d) Polarization-sensitive ReSe2 photodetection device and its photocurrent mapping at various polarization directions of incident light. Panel (a) is reproduced with permission from Ref. [212], copyright 2018 Journal of the American Chemical Society. Panel (b) is reproduced with permission from Ref. [214], copyright 2015 ACS Nano. Panel (c) is reproduced with permission from Ref. [125], copyright 2016 Advanced Functional Materials. Panel (d) is reproduced with permission from Ref. [57], copyright 2016 ACS Nano.
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