矽烯
硅烯(英語:Silicene)是一種類似於石墨烯一樣有着六邊形蜂窩結構的硅單質。但是與石墨烯不同,硅烯並不是完全的平面,它有着周期性的彎曲的拓撲。硅烯層間的耦合較石墨烯的要強出許多,同時其氧化物,2D氧化硅同氧化石墨烯相比有着截然不同的化學結構。儘管理論研究者推測存在這種物質並猜測了它的性質,[1][2][3][4]研究者在十多年之後的2010年才觀測到了具有這種結構的硅單質。[5][6]
硅烯 (單質) | |
---|---|
英文名 | Silicene |
識別 | |
CAS號 | 1421273-05-3 |
性質 | |
化學式 | Si |
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。 |
參考資料
編輯- ^ 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.