Physics – Condensed Matter – Materials Science
Scientific paper
2011-09-14
Chem. Phys. Lett. 512, 81 (2011)
Physics
Condensed Matter
Materials Science
Supplementary data: Coordinates of MCp2 molecules, (16,0) SWCNT and MCp2@(16,0) SWCNT http://dx.doi.org/10.1016/j.cplett.2011.
Scientific paper
10.1016/j.cplett.2011.07.010
Metallocenes can be encapsulated inside the carbon nanotubes. The structural, energetic and electronic properties of organometallic MCp2@SWCNT are obtained from DFT method. We verify that such encapsulation is noncovalent functionalization, and examined binding energies and charge transfers of MCp2@(16,0)SWCNT systems. Consistent with recent experimental findings, the optimal distance between FeCp2 center and near tube-wall is 4.7 (5.1) {\AA} for the configuration where MCp2's five-fold axis is parallel (vertical) to nanotube axis, while the minimal diameter is 9.4 (10.2) {\AA} to exothermically encapsulate FeCp2 molecules. Finally we clarify the doping effects near the bandgap by encapsulations of CoCp2 and NiCp2.
Cao Fenglei
Ren Wei
Tong Ye-Xiang
Xu Xianfang
Zhao Cunyuan
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