Layer-dependent excitonic valley polarization properties in MoS2-WS2 heterostructures

Shaofei Li, Haihong Zheng, Biao Wu, Junnan Ding, jun He, Liu Zongwen & Yanping Liu
Layered transition metal dichalcogenides (TMDCs) pave the way for fundamental research on atomically thin materials and optoelectronic devices. Due to their intrinsic 2D nature, few-layer TMDCs heterostructures exhibit several unique physical properties that are extremely sensitive to the number of layers. However, studies on the effects of interlayer coupling on excitons and valley polarization are still insufficient. Here, we investigate the polarization of the excitonics valley in MoS2-WS2 heterostructures using circular polarization-resolved photoluminescence. The valley...
1 citation reported since publication in 2022.
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