Ultra-Thin Double-Walled Carbon Nanotubes: A Novel Nanocontainer for Preparing Atomic Wires

查看全文 作　　者：Lei [1]Shi;Leimei [1]Sheng;Liming [1]Yu;Kang [1]An;Yoshinori [2]Ando;Xinluo [1]Zhao 机构地区：[1]Department of Physics, and Institute of Low-Dimensional Carbons and Device Physics, Shanghai University, Shanghai 200444, China;[2]Department of Materials Science and Engineering, Meijo University, Nagoya 468-8502, Japan 出　　处：《Nano Research》索引2011年第4卷第8期,共8页 基　　金：This work was supported by the National Natural Science Foundation of China (Grant No. 10974131), the Nanotechnology Program of Shanghai Science and Technology Committee (No. 0952nm07100), the Scienceand Technology Innovation Fund of the Shanghai Education Committee (No. 09ZZ85) and Shanghai Pujiang Talent Plan (No. 08PJ1405100). We thank Professor Shoushan Fan of Tsinghua-Foxconn Nanotechnology Research Center for the HRTEM measurements, and Professor Pingheng Tan of the Institute of Semiconductors for some of the Raman measurements. 摘　　要：有高 graphitization 的双 walled 碳 nanotubes (DWCNT ) 被氢弧分泌物综合了。获得的 DWCNT 有两个的直径的狭窄的分布内部、外部的试管,并且在范围多于 DWCNT 的一半有内部直径 0.61.0 nm。到阳极的从 DWCNT 阴极的地电子排放被测量了,并且 DWCNT 的排放电流密度在大约 4.3 V/m 的一块应用的地到达了 1 A/cm2。在 DWCNT 的高温度的处理以后,长线性的碳链(C 链) 能在极端薄的 DWCNT 内被种形成新奇 C-chain@DWCNT nanostructure,证明这些极端薄的 DWCNT 是为准备有 one-atom-diameter 的真正一个维的 nanostructures 的适当 nanocontainer。 关 键 词：双壁碳纳米管 超薄 容器 原子 场致电子发射 碳纳米管阴极 一维纳米材料 直径分布