Separation of Metallic and Semiconducting Single-Walled Carbon Nanotube Arrays by "Scotch Tape"

被引:67
|
作者
Hong, Guo [1 ]
Zhou, Matthew [2 ]
Zhang, Ruoxing [3 ]
Hou, Shimin [3 ]
Choi, Wonmook [4 ]
Woo, Yun Sung [4 ]
Choi, Jae-Young [4 ]
Liu, Zhongfan [1 ]
Zhang, Jin [1 ]
机构
[1] Peking Univ, Ctr Nanochem, Beijing Natl Lab Mol Sci,Coll Chem Mol Engn, Key Lab Phys & Chem Nanodevices,State Key Lab Str, Beijing 100871, Peoples R China
[2] Williams Coll, Dept Chem, Williamstown, MA 01267 USA
[3] Peking Univ, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China
[4] Samsung Adv Inst Technol, Graphene Res Ctr, Yongin 446712, Gyeonggi Do, South Korea
关键词
nanotubes; scotch tape; separation; silanes;
D O I
10.1002/anie.201101700
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Peeling off nanotubes: Chemically modified soft polydimethylsiloxane (PDMS) thin films act as "scotch tape" for the separation of semiconducting (s) and metallic (m) single-walled carbon nanotubes (SWNTs). Whereas the amine-functionalized A-scotch tape selectively removed s-SWNTs, the phenyl-functionalized P-scotch tape acted specifically towards m-SWNTs (see picture). The resulting separation process is very gentle, no damage to the SWNTs was observed. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:6819 / 6823
页数:5
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