Synthesis of short multi-walled carbon nanotubes by molecular self-assembly

被引：7

作者：

Chen Yong ^{[1
,2
]}

Li Cheng ^{[2
]}

Tu Jun-chun ^{[1
]}

An Li-nan ^{[2
]}

机构：

[1] Hainan Univ, Coll Mat & Chem Engn,Minist Educ, Key Lab Minist Educ Adv Mat Trop Islang Resources, Key Lab Trop Biol Resources,Hainan Prov Key Lab R, Haikou 570228, Peoples R China

[2] Univ Cent Florida, Dept Mech Mat & Aerosp Engn, Adv Mat Proc & Anal Ctr, Orlando, FL 32816 USA

来源：

NEW CARBON MATERIALS | 2012年 / 27卷 / 06期

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

Self-assembly; Multi-walled carbon nanotubes; Silicon carbonitride ceramic; LARGE-SCALE SYNTHESIS; GROWTH; NANOPARTICLES; DIAMETER; CATALYST;

D O I：

10.1016/S1872-5805(12)60025-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Short multiwall carbon nanotubes (MWCNTs) were synthesized by pyrolysis of a polysilazane-polyvinyl pyrrolidone mixture that was characterized by dynamic light scattering. It was found that the polymer mixture had a tube-shaped Aggregate at the nanometer scale. The MWCNTs are similar to 30 nm in diameter and similar to 500 nm in length. Structural characterization revealed that they have a well-developed tubular structure with a uniform wall thickness, but are not well graphitized. The formation of the MWCNTs can be accounted for by the self-assembly of polyvinyl pyrrolidone in the solution to form polymeric nanotubes. that were converted to MWCNTs by subsequent pyrolysis.

引用

页码：416 / 420

页数：5

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