Research / 2020 / Article / Fig 11

Review Article

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

Figure 11

Photodetectors based on 2D heterostructures. (a) Optical image and angle-resolved photocurrent mapping of BP/InSe photodetector. (b) Self-powered photodetector and its polarization imaging based on graphene/PdSe2/Ge heterojunction. (c) Polarization-sensitive photocurrent mapping of BP/BP van der Waals junction. (d) Highly polarization-sensitive photodetector and its photocurrent mapping based on BP/WSe2 vertical heterostructure. (e) Plasmonic nanostructure-coupled BP photodetectors and their enhanced polarization-sensitivity photoresponses. (f) Plasmonic hot electrons induced photocurrent response of MoS2 monolayer with metal gratings. Panel (a) is reproduced with permission from Ref. [241], copyright 2018 Advanced Functional Materials. Panel (b) is reproduced with permission from Ref. [243], copyright 2019 ACS Nano. Panel (c) is reproduced with permission from Ref. [246], copyright 2018 ACS Applied Materials & Interfaces. Panel (d) is reproduced with permission from Ref. [240], copyright 2017 Nano Energy. Panel (e) is reproduced with permission from Ref. [250], copyright 2018 ACS Nano. Panel (f) is reproduced with permission from Ref. [251], copyright 2015 ACS Nano.
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