Prof. Zheyu Fang’s group from Peking University successfully fabricate MoS2 planar light-emitting device and published their work on ACS Nano.
Active-controlled light-emitting devices based on MoS2 monolayer hold significant potential for the development of ultra-thin integrated device applications. The MoS2 PL emissions benefit greatly from the exciton-plasmon interaction in our subwavelength nanospiral structures. And the interaction strength can be tailored by spin-orbital coupling (SOC) of light via light polarization and structural parameters. Planar light-emitting device can be realized based on such selective PL amplification at certain circular polarized light excitation. Our work promotes the development of spin-dependent light-emitting devices based on 2D materials for the future.