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[44232] Artykuł:

Properties and structure of carbon nanotubes in the system C-Ni

Czasopismo: Proc. SPIE 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014, (November 25, 2014)   Tom: 9290, Strony: 929016
ISSN:  0277-786X
ISBN:  978-1-62841-369-4
Wydawca:  SPIE-INT SOC OPTICAL ENGINEERING, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
Opublikowano: 2015
Seria wydawnicza:  Proceedings of SPIE
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału		 Liczba
punktów
Justyna Kęczkowska orcid logoWEAiIKatedra Systemów Informatycznych *147.50  
Elżbieta Czerwosz14.00  
E. Kowalska14.00  
Mirosław Kozłowski14.00  
J. Radomska14.00  
Małgorzata Suchańska orcid logoWEAiIKatedra Systemów Informatycznych *147.50  
H. Wronka14.00  

Grupa MNiSW:  Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science)
Punkty MNiSW: 15
Klasyfikacja Web of Science: Proceedings Paper

DOI LogoDOI     Web of Science Logo Web of Science    
Keywords:

carbon nanotubes  PVD method  CVD method  Raman Spectroscopy  Scanning Electron Microscopy 


Abstract:

We present results of Raman studies of CNT-Ni films obtained in two steps method. In the first step an initial nanocomposite Ni-C film (produced by PVD method) was prepared. This initial film has multiphase composite-like structure with nanograins of fullerenes, amorphous carbon and nickel. In the second step CNTs were obtained by CVD method. In this process the initial films were placed in a quartz tube reactor where pyrolysis process were performed in xylene. Decomposition of xylene at 650 degrees C was occurred. Products of this CVD decomposition process take part in nanotubes growth on Ni nanograins. These nanograins play a role of a catalyser of the growth process. SEM observations showed that form of nanotubes obtained with the various CVD process parameters is similar. Raman studies of initial films (obtained PVD process) confirm the presence of fullerenes C-60 in and some forms of graphite-like objects in the samples. Raman spectra of MWCNTs films contained: bands characteristic for carbon nanotube's vibrations.


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