Mapping internal structure of coal by confocal micro-Raman spectroscopy and scanning microwave microscopy

Alexander Tselev, Ilia N. Ivanov, Nickolay V. Lavrik, Alexei Belianinov, Stephen Jesse, Jonathan P. Mathews, Gareth D. Mitchell, Sergei V. Kalinin

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Structural complexity and variability of the chemical properties define technological applicability of coal and demand increasing accuracy and spatial resolution from the techniques used for coal characterization for development of new, clean, and efficient technologies of coal utilization. Here, we combined spatially-resolved reflectometry, fluorescence, and confocal micro-Raman spectroscopy with high-resolution scanning probe microwave imaging to achieve a nondestructive sub-100-nm spatial resolution mapping of coal structure. It was found that this approach allows for high spatial resolution identification of individual elements in coal architecture, thus potentially generating valuable input for knowledge-driven optimization and design of coal utilization processes.

Original languageEnglish (US)
Pages (from-to)32-37
Number of pages6
JournalFuel
Volume126
DOIs
StatePublished - Jun 15 2014

Fingerprint

Coal
Raman spectroscopy
Microscopic examination
Microwaves
Scanning
Chemical properties
Fluorescence
Imaging techniques

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Organic Chemistry

Cite this

Tselev, A., Ivanov, I. N., Lavrik, N. V., Belianinov, A., Jesse, S., Mathews, J. P., ... Kalinin, S. V. (2014). Mapping internal structure of coal by confocal micro-Raman spectroscopy and scanning microwave microscopy. Fuel, 126, 32-37. https://doi.org/10.1016/j.fuel.2014.02.029
Tselev, Alexander ; Ivanov, Ilia N. ; Lavrik, Nickolay V. ; Belianinov, Alexei ; Jesse, Stephen ; Mathews, Jonathan P. ; Mitchell, Gareth D. ; Kalinin, Sergei V. / Mapping internal structure of coal by confocal micro-Raman spectroscopy and scanning microwave microscopy. In: Fuel. 2014 ; Vol. 126. pp. 32-37.
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Tselev, A, Ivanov, IN, Lavrik, NV, Belianinov, A, Jesse, S, Mathews, JP, Mitchell, GD & Kalinin, SV 2014, 'Mapping internal structure of coal by confocal micro-Raman spectroscopy and scanning microwave microscopy', Fuel, vol. 126, pp. 32-37. https://doi.org/10.1016/j.fuel.2014.02.029

Mapping internal structure of coal by confocal micro-Raman spectroscopy and scanning microwave microscopy. / Tselev, Alexander; Ivanov, Ilia N.; Lavrik, Nickolay V.; Belianinov, Alexei; Jesse, Stephen; Mathews, Jonathan P.; Mitchell, Gareth D.; Kalinin, Sergei V.

In: Fuel, Vol. 126, 15.06.2014, p. 32-37.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Mapping internal structure of coal by confocal micro-Raman spectroscopy and scanning microwave microscopy

AU - Tselev, Alexander

AU - Ivanov, Ilia N.

AU - Lavrik, Nickolay V.

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AU - Jesse, Stephen

AU - Mathews, Jonathan P.

AU - Mitchell, Gareth D.

AU - Kalinin, Sergei V.

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AB - Structural complexity and variability of the chemical properties define technological applicability of coal and demand increasing accuracy and spatial resolution from the techniques used for coal characterization for development of new, clean, and efficient technologies of coal utilization. Here, we combined spatially-resolved reflectometry, fluorescence, and confocal micro-Raman spectroscopy with high-resolution scanning probe microwave imaging to achieve a nondestructive sub-100-nm spatial resolution mapping of coal structure. It was found that this approach allows for high spatial resolution identification of individual elements in coal architecture, thus potentially generating valuable input for knowledge-driven optimization and design of coal utilization processes.

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