直鏈乙炔碳(Linear Acetylenic Carbon),也稱卡拜(Carbyne)、線型碳(Linear carbon),碳的一種同素異形體,[1]具有-(CC)n-類型的結構。[2]其中每個碳都是sp雜化,碳碳單鍵三鍵交替。這種類型卡拜的楊氏模量是已知天然最硬材料——鑽石的40倍,同時也是奈米碳管的兩倍,因此將是很好的納米材料[3]

參考資料

編輯
  1. ^ Dangerously Seeking Linear Carbon, Ray H. Baughman, Science 19 May 2006: Vol. 312. no. 5776, pp. 1009 - 1110.
  2. ^ Carbyne and Carbynoid Structures Series: Physics and Chemistry of Materials with Low-Dimensional Structures, Vol. 21 Heimann, R.B.; Evsyukov, S.E.; Kavan, L. (Eds.) 1999, 452 p., Hardcover ISBN 0-7923-5323-4
  3. ^ Harder than Diamond: Determining the Cross-Sectional Area and Young's Modulus of Molecular Rods, Lior Itzhaki et al, Angew. Chem. Int. Ed. 2005, 44, 7432-7435.