<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Ni-Si mixed oxide nanocomposite was prepared by co-precipitation method with Ni(NO3)2 · 6H2O and tetraethylorthosilicate (TEOS) at pH = 10.5 under reflux condition for 6 days. It was then used as a catalyst for the formation of carbon nanotubes (CNTs) by CVD procedure. Characterization of the catalyst and the CNTs was carried out using X-ray diffractometry (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. The results showed that Ni-Si mixed oxides nanorods with the average diameter of 3 to 4 nm play a key role in CNTs formation.</p></abstract>

Ni-Si mixed oxide nanocomposite was prepared by co-precipitation method with Ni(NO3)2 · 6H2O and tetraethylorthosilicate (TEOS) at pH = 10.5 under reflux condition for 6 days. It was then used as a catalyst for the formation of carbon nanotubes (CNTs) by CVD procedure. Characterization of the catalyst and the CNTs was carried out using X-ray diffractometry (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. The results showed that Ni-Si mixed oxides nanorods with the average diameter of 3 to 4 nm play a key role in CNTs formation.

Synthesis and characterization of Ni-Si mixed oxide nanocomposite as a catalyst for carbon nanotubes formation

Department of Basic Science, University of Mazandaran, Babolsar, 47416-95447, Iran

Institute of Petroleum Engineering, Tehran university, P.O.Box:11155-4563, Tehran, Iran

Physics Department, Alzahra University, Tehran, 1993 891176, Iran

Physics Department, Sharif University of Technology, Tehran, 11365, Iran

Chemistry Department, Alzahra university, Tehran, 1993891176, Iran

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Ni-Si mixed oxide nanocomposite was prepared by co-precipitation method with Ni(NO3)2 · 6H2O and tetraethylorthosilicate (TEOS) at pH = 10.5 under reflux...

Synthesis and characterization of Ni-Si mixed oxide nanocomposite as a catalyst for carbon nanotubes formation

Published Online: Dec 27, 2011

Page range: 152 - 157

DOI: https://doi.org/10.2478/s13536-011-0022-8

Keywords
Ni-Si mixed oxide, nanocomposite, carbon nanotubes

© 2011 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Synthesis and characterization of Ni-Si mixed oxide nanocomposite as a catalyst for carbon nanotubes formation

Published Online: Dec 27, 2011

Page range: 152 - 157

DOI: https://doi.org/10.2478/s13536-011-0022-8

KeywordsNi-Si mixed oxide, nanocomposite, carbon nanotubes

© 2011 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Ni-Si mixed oxide, nanocomposite, carbon nanotubes