硅烯 (单质)
| 硅烯 (单质) | |
|---|---|
| |
| 英文名 | Silicene |
| 识别 | |
| CAS号 | 1421273-05-3 
|
| 性质 | |
| 化学式 | Si |
| 若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。 | |
硅烯（英語：Silicene）是一种类似于石墨烯一样有着六边形蜂窝结构的硅单质。但是与石墨烯不同，硅烯并不是完全的平面，它有着周期性的弯曲的拓扑。硅烯层间的耦合较石墨烯的要强出许多，同时其氧化物，2D氧化硅同氧化石墨烯相比有着截然不同的化学结构。尽管理论研究者推测存在这种物质并猜测了它的性质，[1][2][3][4]研究者在十多年之后的2010年才观测到了具有这种结构的硅单质。[5][6]
参考资料
[编辑]- ^ Kyozaburo Takeda and Kenji Shiraishi. Theoretical possibility of stage corrugation in Si and Ge analogs of graphite. Physical Review B. 1994, 50 (20): 14916. Bibcode:1994PhRvB..5014916T. doi:10.1103/PhysRevB.50.14916.
- ^ G. G. Guzman-Verri and L. C. Lew Yan Voon. Electronic structure of silicon-based nanostructures. Physical Review B. 2007, 76 (7): 075131. Bibcode:2007PhRvB..76g5131G. arXiv:1107.0075
. doi:10.1103/PhysRevB.76.075131.
- ^ Cahangirov, Topsakal, Akturk, Sahin and Ciraci. Two- and One-Dimensional Honeycomb Structures of Silicon and Germanium. Physical Review Letters. 2009, 102 (23): 236804. Bibcode:2009PhRvL.102w6804C. arXiv:0811.4412 . doi:10.1103/PhysRevLett.102.236804.
- ^ Garcia, J. C.; de Lima, D. B.; Assali, L. V. C.; Justo, J. F. Group IV Graphene- and Graphane-Like Nanosheets. J. Phys. Chem. C. 2011, 115: 13242-13246. doi:10.1021/jp203657w.
- ^ B. Aufray, A. Kara, S. Vizzini, H. Oughaddou, C. Léandri, B. Ealet and G. Le Lay. Graphene-like silicon nanoribbons on Ag(110): A possible formation of silicene. Applied Physics Letters. 2010, 96: 183102. Bibcode:2010ApPhL..96b3102D. doi:10.1063/1.3275751.
- ^ B. Lalmi, H. Oughaddou, H. Enriquez, A. Kara, S. Vizzini, B. Ealet and B. Aufray. Epitaxial growth of a silicene sheet. Applied Physics Letters. 2010, 97: 223109. Bibcode:2010ApPhL..97c3109L. doi:10.1063/1.3467042.
