Laser Raman micro-spectroscopy as an effective non-destructive method of detection and identification of various sp2 carbon modifications in industry and in nature**

Sergey S. Bukalov*, Larissa A. Leites, Rinat R. Aysin

Russian Academy of Sciences, Scientific and Technical Center on Raman Spectroscopy, A.N. Nesmeyanov Institute of Organoelement Compounds, Vavilova str. 28, Moscow 119991, Russia

DOI: 10.5185/amlett.2019.2268

Publication Date (Web): Jan 14, 2019

E-mail: buklei@ineos.ac.ru

Abstract

Raman micro-spectroscopy is recommended as an effective non-destructive method of detection and identification of various spcarbon modifications, each being characterized by its own specific set of spectral band parameters (frequencies, intensities, half-widths and contours). The results of the authors obtained for numerous industrial sp2 carbon samples (highly ordered and disordered graphites, turbostratic graphite, glassy carbons, carbon fibers, amorphous sp2 carbon, nanotubes) as well as for natural species (terrestrial natural graphites and shungites, Lunar soil, meteoritic matter) are summarized, analyzed and compared. Literature data are also considered and discussed. The results show that the man-made advanced materials contain the same sp2 carbon modifications as have been found in Nature (on Earth, Moon and in cosmic space).

Keywords

Raman micro-spectroscopy, sp2 carbon modifications.

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