Tunable electronic structure of graphdiyne/MoS2 van der Waals heterostructure
Tunable electronic structure of graphdiyne/MoS2 van der Waals heterostructure
复制标题
石墨炔/MoS2范德华异质结构的可调谐电子结构
DOI:
10.1016/j.matlet.2018.06.038
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发表时间:
2018-10
影响因子:
3
通讯作者:
Huang Le
中科院分区:
文献类型:
--
作者:
Yang Yibin;Yang Yanfeng;Xiao Ye;Zhao Yu;Luo Dongxiang;Zheng Zhaoqiang;Huang Le
Structural and electronic properties of graphdiyne/MoS2van der Waals (vdW) heterostructure under external electric field are investigated by first-principle calculations for the first time. The direct bandgap of graphdiyne/MoS2heterostructure can be significantly modulated by the electric field, and a transition from semiconductor to metal is observed. It is demonstrated that the graphdiyne/MoS2bilayer transfers from type-I to type-II heterostructure under a certain electric field, leading to the spatial separation of the lowest energy electron-hole pairs, which is beneficial to photodetection and solar energy conversion. The calculation results pave the way for applications of graphdiyne/MoS2heterostructure in future micro-/nano- electronics and photoelectronics.
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