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Different level of fluorescence in Raman spectra of montmorillonites

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68145535%3A_____%2F16%3A00460794" target="_blank" >RIV/68145535:_____/16:00460794 - isvavai.cz</a>

  • Alternative codes found

    RIV/61989100:27360/16:86095736

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.vibspec.2016.02.007" target="_blank" >http://dx.doi.org/10.1016/j.vibspec.2016.02.007</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.vibspec.2016.02.007" target="_blank" >10.1016/j.vibspec.2016.02.007</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Different level of fluorescence in Raman spectra of montmorillonites

  • Original language description

    The paper presents the study of selected montmorillonite standards by Raman spectroscopy and microscopy supported by elemental analysis, X-ray powder diffraction analysis and thermal analysis. Dispersive Raman spectroscopy with excitation lasers of 532 nm and 780 nm, dispersive Raman microscopy with excitation laser of 532 nm and 100x magnifying lens, and Fourier Transform-Raman spectroscopy with excitation laser of 1064 nm were used for the analysis of four montmorillonites (Kunipia-F, SWy-2, STx-1b and SAz-2). These mineral standards differed mainly in the type of interlayer cation and substitution of octahedral aluminium by magnesium or iron. A comparison of measured Raman spectra of montmorillonite with regard to their level of fluorescence and the presence of characteristic spectral bands was carried out. Almost all measured spectra of montmorillonites were significantly affected by fluorescence and only one sample was influenced by fluorescence slightly or not at all. In the spectra of tested montmorillonites, several characteristic Raman bands were found. The most intensive band at 96 cm(-1) belongs to deformation vibrations of interlayer cations. The band at 200 cm(-1) corresponds to deformation vibrations of the AlO6 octahedron and at 710 cm(-1) can be assigned to deformation vibrations of the SiO4 tetrahedron. The band at 3620 cm(-1) corresponds to the stretching vibration of structural OH groups in montmorillonites.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CB - Analytical chemistry, separation

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Vibrational Spectroscopy

  • ISSN

    0924-2031

  • e-ISSN

  • Volume of the periodical

    84

  • Issue of the periodical within the volume

    May 2016

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    9

  • Pages from-to

    7-15

  • UT code for WoS article

    000375819600002

  • EID of the result in the Scopus database

    2-s2.0-84959334593