期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 113, 期 23, 页码 10065-10069出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp9028563
关键词
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资金
- Finnish Funding Agency for Technology and Innovation
- University of Eastern Finland
Structural characteristics of perhydrogenated single-walled group 13 nitride, phosphide, and arsenide nanotubes have been determined by quantum chemical calculations. Partial endo-hydrogenation is energetically beneficial for nanotubes beyond 1 nm in diameter, until which full exo-hydrogenation is relevant. The molecular structures of the partially endo-hydrogenated nanotubes are derived by rolling perhydrogenated group 13-15 monolayer sheets into cylinders. The structural principles of the resulting nanotubes are strongly influenced by electrostatic interactions between polarized surface hydrogen species. Generally, a low degree of polarization results in the preference for structures analogous to the (111) sheet of the diamond-like crystal, with a high degree of polarization resulting in the preference for the corresponding (110) structures.
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