Raman spectroscopy of selected carbonaceous samples

Kwiecinska, Barbara, Suarez-Ruiz, Isabel, Paluszkiewicz, Czeslawa and Rodrigues, Sandra (2010) Raman spectroscopy of selected carbonaceous samples. International Journal of Coal Geology, 84 3-4: 206-212. doi:10.1016/j.coal.2010.08.010

Author Kwiecinska, Barbara
Suarez-Ruiz, Isabel
Paluszkiewicz, Czeslawa
Rodrigues, Sandra
Title Raman spectroscopy of selected carbonaceous samples
Journal name International Journal of Coal Geology   Check publisher's open access policy
ISSN 0166-5162
Publication date 2010-12-01
Year available 2010
Sub-type Article (original research)
DOI 10.1016/j.coal.2010.08.010
Open Access Status Not yet assessed
Volume 84
Issue 3-4
Start page 206
End page 212
Total pages 7
Place of publication Amsterdam, The Netherlands
Publisher Elsevier BV
Language eng
Formatted abstract
This paper presents the results of Raman spectra measured on carbonaceous materials ranging from greenschist facies to granulite–facies graphite (Anchimetamorphism and Epimetamorphism zones). Raman spectroscopy has come to be regarded as a more appropriate tool than X-ray diffraction for study of highly ordered carbon materials, including chondritic matter, soot, polycyclic aromatic hydrocarbons and evolved coal samples.

This work demonstrates the usefulness of the Raman spectroscopy analysis in determining internal crystallographic structure (disordered lattice, heterogeneity). Moreover, this methodology permits the detection of differences within the meta-anthracite rank, semi-graphite and graphite stages for the samples included in this study. In the first order Raman spectra, the bands located near to c.a. 1350 cm− 1 (defects and disorder mode A1g) and 1580 cm− 1 (in plane E2g zone—centre mode) contribute to the characterization and determination of the degree of structural evolution and graphitization of the carbonaceous samples. The data from Raman spectroscopy were compared with parameters obtained by means of structural, chemical and optical microscopic analysis carried out on the same carbonaceous samples. The results revealed some positive and significant relationships, although the use of reflectance as a parameter for following the increase in structural order in natural graphitized samples was subject to limitations. 
Keyword High rank coals
Carbonaceous materials
Raman spectroscopy
Structural order
Chemical parameters
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Earth Sciences Publications
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