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Vol. 27 No. 1 (2015): Vol 27 Issue 1

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Density Functional Theory and Time-Dependent Density-Functional Study of Positively Charged Alkali Metal Doped Stone Whale Defective Graphene Complexes

https://doi.org/10.14233/ajchem.2015.16811
Bin Huang
Department of Materials Science and Engineering, East China Institute of Technology, Nanchang 330013, P.R. China
Cui Zhen Li
Department of Materials Science and Engineering, East China Institute of Technology, Nanchang 330013, P.R. China
Guo Ping Zhu
Department of Materials Science and Engineering, East China Institute of Technology, Nanchang 330013, P.R. China

Corresponding Author(s) : Bin Huang

bhuang@ecit.cn

Asian Journal of Chemistry, Vol. 27 No. 1 (2015): Vol 27 Issue 1

Abstract

The structural and electronic properties of positively charged alkali metal doped graphene and stone whale defective graphene complexes have been examined by means of density functional theory and time-dependent density-functional theories. The geometry optimization showed that Li, Na, K atom prefers to locate above the center of the hexagon ring of graphene and heptagon ring of stone whale graphene, furthermore stone whale graphene sheet occur curved. The calculated binding energies for Li, Na and K of positively charged stone whale graphene, are in the range of 0.776 to 1.104 eV and the adsorption of Na is also the weakest, which is similar to those of graphene systems. From our calculations, it can be expected that the excited and anionic states of graphene are strongly affected by Na doped, however, Na doped positively charged stone whale only causes a slightly change of electronic states of stone whale graphene, the nature of the electronic structure is hardly changed. We believe our calculations are useful to deep understanding available experimental results.

Keywords

Time-dependent density-functional Stone whale graphene Excitation energies Stabilities
Huang, B., Zhen Li, C., & Ping Zhu, G. (2014). Density Functional Theory and Time-Dependent Density-Functional Study of Positively Charged Alkali Metal Doped Stone Whale Defective Graphene Complexes. Asian Journal of Chemistry, 27(1), 129–133. https://doi.org/10.14233/ajchem.2015.16811
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