期刊
APPLIED SURFACE SCIENCE
卷 462, 期 -, 页码 508-516出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2018.08.139
关键词
Two-dimensional material heterojunction; Molybdenum disulfide and tungsten disulfide; Density Functional Theory calculations
类别
资金
- NSF [11747005]
- science and technology research Program of Chongqing Municipal Education Commission [KJ1712299]
- Yangtze Normal University [2016XJQN28, 2016KYQD11]
Density functional theory (DFT) calculations have revealed the essential nature of bond relaxation and electronic reconfiguration in (GaAs, Graphene, InSe)-(WS2, MoS2) layered heterojunctions. The bandgap lies within the range 0.01 similar to 1.0 eV, which may be suitable for photocatalytic applications. We have also established a relationship between the atomic coordination density and the surface strain of two-dimensional heterojunctions. Moreover, the interfacial atomic cohesive energy and the bond energy density varies from case to case. These findings may lead to new materials for related fields.
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