摘要
报道了一种用高序石墨在乙醇、水或乙醇水混合溶液中超声波处理产生的碳样品．高分辨率电子显微镜揭示出大量具有总角度为θ０（±３０℃）倍数的弯曲石墨片存在．显微镜检查表明，弯曲是通过原子晶格平面的偏转而成的．基于石墨的对称轴结构和在ｓｐ２石墨网络中类ｓｐ３线缺陷的形成。
Abstract Here we report a carbon sample generated by sonicating high oriented pyrolytic graphite (HOPG) in ethanol,water or ethanol water mixed solution.High resolution transmission electron microscopy (HRTEM) revealed many multilayer graphite sheets with a total curved angle that is multiples of θ 0 (=30°).Close examination of the micrographs showed that the curvature is accomplished by bending the lattice planes.A possible explanation for the curvature in multilayer graphite sheets is discussed based on the conformation of graphite symmetry axes and the formation of sp 3 like line defects in the sp 2 graphitic network.
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
1998年第11期1853-1857,共5页
Acta Physica Sinica
