Effect of graphene grain boundaries on MoS<sub>2</sub>/graphene heterostructures

Effect of graphene grain boundaries on MoS₂/graphene heterostructures

Zhang Yue¹, Zhang Xiangzhe², Deng Chuyun², Ge Qi³, Huang Junjie¹, Lu Jie¹, Lin Gaoxiang¹, Weng Zekai¹, Zhang Xueao^{1, 3, †}, Cai Weiwei^{1, 3, ‡}

(a) Schematic of MoS₂/HSCG heterostructure device. (b) Optical micrograph of the MoS₂/HSCG heterostructure and corresponding (c) Raman photocurrent mapping and (d) the A_1g band of MoS₂. (e) Raman intensity mapping of the G band of graphene.