Growth of single-walled carbon nanotubes from Ag15 cluster catalysts

被引：13
作者：
Hu, Dake [1 ,2 ]
He, Xin [1 ,2 ]
Sun, Lifei [1 ,2 ]
Xu, Guanchen [1 ,2 ]
Jiao, Liying [1 ,2 ]
Zhao, Liang [1 ,2 ]
机构：
[1] Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Minist Educ, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Minist Educ, Beijing 100084, Peoples R China
来源：
SCIENCE BULLETIN | 2016年 / 61卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Single-walled carbon nanotube; Chirality; Metal-organic cluster; Catalyst; Raman; TEM; TRANSISTORS; NANOPARTICLES; RECOGNITION; SEPARATION; ARRAYS;
D O I：
10.1007/s11434-016-1091-1
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Chirality-specific growth of single-walled carbon nanotubes (SWNTs) remains a challenge for their practical applications in electronics. Here, we explored the surface growth of SWNTs by utilizing the atomic-precise silver cluster complex [Ag-15{1,3,5-(C C)(3)-C6H3}(2)(Py[8])(3)-(CF3SO3)(3)] (CF3SO3)(6) (Py[8] is abbreviation for octamethylazacalix[8] pyridine) as a catalyst precursor. The diameters of most acquired SWNTs distributed in the range of 1.2-1.4 nm, which is suitable for making high performance field-effect transistors. The high quality of the obtained SWNTs was evidenced by Raman spectroscopy and electrical measurements. Successful growth of high quality SWNTs in this study foresees that rational design of metal-organic complexes as growth catalysts can open up a new avenue for the controllable synthesis of SWNTs.
引用
收藏
页码：917 / 920
页数：4
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