Krypton Gas for High Quality Single Wall Carbon Nanotubes Synthesis by KrF Excimer Laser Ablation

被引：4

作者：

Al-Zanganawee, Jasim ^{[1
,2
]}

Katona, Adrian ^{[1
]}

Moise, Calin ^{[1
]}

Bojin, Dionezie ^{[1
]}

Enachescu, Marius ^{[1
,3
]}

机构：

[1] Univ Politehn Bucuresti, Ctr Surface Sci & Nanotechnol CSSNT, Bucharest 060042, Romania

[2] Univ Diyala, Coll Sci, Dept Phys, Baqubah, Iraq

[3] Acad Romanian Scientists, Bucharest 050094, Romania

来源：

JOURNAL OF NANOMATERIALS | 2015年 / 2015卷

关键词：

THERMAL-PROPERTIES;

D O I：

10.1155/2015/909072

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report for the first time the production of single wall carbon nanotubes (SWCNTs) by KrF excimer laser ablation method under the krypton gas atmosphere. For the ablation experiment 450 mJ energy and 30 Hz repetition rate KrF excimer laser was used, and the target was prepared with the following composition: 0.6% Ni, 0.6% Co, and 98.8% C (atomic percentage). The ablation product was characterized by confocal Raman microspectroscopy, transmission electron microscopy (TEM), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). The SWCNTs obtained are a mixture of semiconducting and metallic types with narrow diameters distribution of 1.26 to 1.49 nm, are micrometers long, and contain low amount of graphite and amorphous carbon.

引用

页数：7

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