Raman spectra of nickel-carbon nanocomposites

Armen A. Mirzakhanyan; Aram S. Manukyan; George R. Badalyan; Tatevik K. Khachatryan; Olga A. Maslova; Yurii I. Yuzyuk; Lusegen A. Bugaev; Eduard G. Sharoyan

doi:10.1117/12.890940

4 March 2011 Raman spectra of nickel-carbon nanocomposites

Armen A. Mirzakhanyan, Aram S. Manukyan, George R. Badalyan, Tatevik K. Khachatryan, Olga A. Maslova, Yurii I. Yuzyuk, Lusegen A. Bugaev, Eduard G. Sharoyan

Author Affiliations +

Proceedings Volume 7998, International Conference on Laser Physics 2010; 79981B (2011) https://doi.org/10.1117/12.890940
Event: International Conference on Laser Physics 2010, 2010, Ashtarak, Armenia

Abstract

By using the solid-phase pyrolysis of phthalocyanines the nickel-carbon nanocomposites have been synthesized. The composition, structure, and morphology of samples were investigated by scanning electron microscopy and Raman spectroscopy. The first-order Raman shifts of prepared materials were measured with laser excitation at 514.5 nm in the frequency range from 900 to 2000 cm^-1. It is shown that the degree of graphitization in nanocomposites essentially depends on the pyrolysis temperature. By analyzing the intensity ratio of Raman D- and G-bands the mean sizes of graphitic nanocrystallites in prepared samples were estimated.

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Armen A. Mirzakhanyan, Aram S. Manukyan, George R. Badalyan, Tatevik K. Khachatryan, Olga A. Maslova, Yurii I. Yuzyuk, Lusegen A. Bugaev, and Eduard G. Sharoyan "Raman spectra of nickel-carbon nanocomposites", Proc. SPIE 7998, International Conference on Laser Physics 2010, 79981B (4 March 2011); https://doi.org/10.1117/12.890940

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