Development of a large scale production and purification system for high-quality and highly pure double wall carbon nanotubes

高品质高纯双壁碳纳米管大规模生产及提纯系统开发

• 批准号: 18510087
• 负责人: SUGAI Toshiki
• 金额: $ 2.58万
• 依托单位: Nagoya University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2006
• 资助国家: 日本
• 起止时间: 2006 至 2007
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18510087/
• 关键词: High-temperature pulsed-arc discharge; High-quality double wall carbon Nanotube; Automatic purification; 高温パルスアーク放電法; 高品質2層カーボンナノチューブ; 高品質2層ナノチューブ; 2層ナノチューブ探針

We have mass-produced high-quality DWNTs by using the automatic production and purification system developed in the last year. This system utilizes Ha and air oxidation to purify DWNTs by eliminating metal catalysts and amorphous carton, respectively. The produced DWNTs are now regarded as a standard with their structural homogeneity and low defect density. We have produced C60 peapods, measured photoluminescence and observed interlayer interaction of these high-quality DWNTs. The production of C60 peapods from DWNTs clarified that C60 enters not from defects on the wall of HQDWNTs but from their open ends because the probability should be quite low to have defects at the same position on the inner and the outer layers. Their properties are observed by the photoluminescence showing photo emission of the inner layer and the energy transfer Rom the inner layer to the outer layer These interaction is investigated more precisely by STM The observed STM images show moire patters on the outer layer of DWNTs originating from the layer interaction. This observation is the lust disclosure of the moire pattern clarifying that the layer interaction is still apparent even though they have much wider layer distance and that the inner layer can be investigated by STM observation through the outer layer We am now analyzing the images to determine the structures of the inner and the outer layers

利用去年开发的自动化生产和提纯系统，我们已经批量生产了高质量的多壁碳纳米管。该系统利用氢氧化法和空气氧化法分别去除金属催化剂和无定形纸盒来净化多壁碳纳米管。所制得的多壁碳纳米管具有结构均一、缺陷密度低等优点，现已成为研究的标准。我们已经制作了C60豆荚，测量了这些高质量的DWNTs的光致发光，并观察到了它们的层间相互作用。用碳纳米管生产C60豆荚的结果表明，C60不是从HQDWNTs壁上的缺陷进入的，而是从它们的开口端进入的，因为在内外层的相同位置存在缺陷的可能性应该很低。通过光致发光观察了它们的性质，显示了内层的光发射和从内层到外层的能量转移，STM更精确地研究了这些相互作用，观察到的STM图像显示了来自层间相互作用的DWNTs外层的莫尔条纹。这是莫尔云纹的最新发现，澄清了层间相互作用仍然很明显，即使它们有更宽的层间距，而且内层可以通过外层的STM观察来研究。我们现在正在分析图像，以确定内层和外层的结构

项目成果

Effect of encapsulated atoms on the electronic structure of the fullerene cage: A case study on La2@C78 and Ti2C2@C78 via ultraviolet photoelectron spectroscopy

• DOI: 10.1103/physrevb.75.125418
• 发表时间: 2007-03
• 期刊: Physical Review B
• 影响因子: 3.7
• 作者: S. Hino;Masayuki Kato;D. Yoshimura;Hiroe Moribe;H. Umemoto;Yasuhiro Ito;T. Sugai;H. Shinohara;M. Otani;Y. Yoshimoto;S. Okada

Magnetic properties and crystal structure of solvent-free Sc@C82 metallofullerene microcrystals.

• DOI: 10.1002/cphc.200700097
• 发表时间: 2007-05
• 期刊: Chemphyschem : a European journal of chemical physics and physical chemistry
• 作者: Yasuhiro Ito;W. Fujita;T. Okazaki;T. Sugai;K. Awaga;E. Nishibori;M. Takata;M. Sakata;H. Shinohara

Development of high-resolution ion mobility

高分辨率离子淌度的开发

• 发表时间: 2007
• 作者: D.Nishide;et al.;T.Sugai;I.Takesue et al.;S.Kuwahara et al.;N.Kishi et al.;P.Ramesh et al.;吉田弘道;H. Yoshida;菅井俊樹;T. Sugai
• 通讯作者: T. Sugai

Encapsulation of fullerenes in a helical PMMA cavity leading to a robust processable complex with a macromolecular helicity memory

• DOI: 10.1002/anie.200703655
• 发表时间: 2008-01-01
• 期刊: ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
• 影响因子: 16.6
• 作者: Kawauchi, Takehiro;Kumaki, Jiro;Yashima, Eiji
• 通讯作者: Yashima, Eiji

Synthesis, enhanced stability and structural imaging of C60 and C70 double-wall carbon nanotube peapods

• DOI: 10.1016/j.cplett.2007.04.073
• 发表时间: 2007-06
• 期刊: Chemical Physics Letters
• 影响因子: 2.8
• 作者: Guoqing Ning;N. Kishi;H. Okimoto;M. Shiraishi;Y. Kato;R. Kitaura;T. Sugai;S. Aoyagi;E. Nishibori;M. Sakata;H. Shinohara