Abstract
The electronic structure and optical properties of VO2 and Au-VO2 were studied using density functional theory. The calculation results show that the interaction between Au and O is stronger than that between V and O. There exists not only the covalent bonding but also ionic bonding in Au—O bond. The band gap of Au-VO2 is smaller than that of VO2, while the dielectric constant, conductivity, and intensity of optical absorption of Au-VO2 are larger than those of VO2.
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Foundation item: Project(2014GXNSFAA118342) supported by Guangxi Natural Science Foundation, China; Project supported by Open Foundation of Guangxi Key Laboratory for Advanced Materials and Manufacturing Technology, China; Project supported by High-level Innovation Team and Outstanding Scholar Program in Guangxi Colleges (the second batch), China
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Huang, Dw., Zhao, Ch., Chen, Jh. et al. First-principle study of electronic structure and optical properties of Au-doped VO2 . J. Cent. South Univ. 24, 270–275 (2017). https://doi.org/10.1007/s11771-017-3427-7
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DOI: https://doi.org/10.1007/s11771-017-3427-7