Research / 2020 / Article / Fig 8

Review Article

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

Figure 8

Light-emitting devices based on 2D materials. (a) Chiral spiral nanostructure-coupled MoS2 monolayer shining “concave” and “convex” emitting patterns. (b) Electrically controlled valley-light-emitting devices based on the WS2 monolayer. (c) Valley polarization light emission from a spin-injected heterojunction. (d) Electrically switchable chiral light-emitting transistor based on the WSe2 monolayer. Panel (a) is reproduced with permission from Ref. [209], copyright 2016 ACS Nano. Panel (b) is reproduced with permission from Ref. [10], copyright 2016 Nano Letters. Panel (c) is reproduced with permission from Ref. [210], copyright 2014 Science. Panel (d) is reproduced with permission from Ref. [9], copyright 2016 Nano Letters.
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