Controlled growth of super-aligned carbon nanotube arrays for spinning continuous unidirectional sheets with tunable physical properties

被引：237

作者：

Liu, Kai ^{[1
,2
]}

Sun, Yinghui ^{[1
]}

Chen, Lei ^{[1
]}

Feng, Chen ^{[1
,2
]}

Feng, Xiaofeng ^{[1
,2
]}

Jiang, Kaili ^{[1
,2
]}

Zhao, Yonggang ^{[1
]}

Fan, Shoushan ^{[1
,2
]}

机构：

[1] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Tsinghua Foxconn Nanotechnol Res Ctr, Beijing 100084, Peoples R China

来源：

NANO LETTERS | 2008年 / 8卷 / 02期

关键词：

D O I：

10.1021/nl0723073

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report controlled syntheses of super-aligned carbon nanotube (CNT) arrays with the desired tube-diameter, number of walls, and length for spinning continuous unidirectional sheets to meet a variety of industrial demands. The tube-diameter distribution of super-aligned arrays is well controlled by varying the thicknesses of catalyst films, and the length of them is tuned by the growth time. Further investigation indicates that the physical properties of the unidirectional sheets, such as electrical transport, optical transmittance, and light emission properties, can be well tuned by the tube-diameter- and length-controlled growth. This work extends the understanding of the super-aligned CNT arrays and will be very helpful in developing further applications.

引用

页码：700 / 705

页数：6

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