by E. Muñoz-Cortés, J. Sánchez-Prieto, B. Zabala, C. Sanchez, E. Flores, A. Flores, E. Roman, J. R. Ares and R. Nevshupa
Abstract:
Tribochemical decomposition of thin-film synthetic iron disulfide and mineral iron pyrite was studied using a combination of operando mass-spectrometry coupled to ultrahigh vacuum tribochemical cell and the gas expansion system. The composition and kinetics of gas emission were analyzed using an original methodology. It was found that carbon-containing gases were dominating. The sulfur-containing gases comprised H2S, COS and CS2. The latter two were unexpected. The emission of these gases was traced back to solid-state chemical reactions kinetically controlled by the precursor concentrations and driven through non-thermal mechanisms, which we tentatively assigned to formation of sulfur radicals.
Reference:
E. Muñoz-Cortés, J. Sánchez-Prieto, B. Zabala, C. Sanchez, E. Flores, A. Flores, E. Roman, J. R. Ares and R. Nevshupa, “Operando exploration of tribochemical decomposition in synthetic FeS2 thin film and mineral iron pyrite”, RSC Mechanochemistry, vol. 1, no. 2, pp. 196–210.
Bibtex Entry:
@article{munoz-cortes_operando_2024,
title = {Operando exploration of tribochemical decomposition in synthetic {FeS2} thin film and mineral iron pyrite},
volume = {1},
issn = {2976-8683},
url = {https://pubs.rsc.org/en/content/articlelanding/2024/mr/d3mr00027c},
doi = {10.1039/D3MR00027C},
abstract = {Tribochemical decomposition of thin-film synthetic iron disulfide and mineral iron pyrite was studied using a combination of operando mass-spectrometry coupled to ultrahigh vacuum tribochemical cell and the gas expansion system. The composition and kinetics of gas emission were analyzed using an original methodology. It was found that carbon-containing gases were dominating. The sulfur-containing gases comprised H2S, COS and CS2. The latter two were unexpected. The emission of these gases was traced back to solid-state chemical reactions kinetically controlled by the precursor concentrations and driven through non-thermal mechanisms, which we tentatively assigned to formation of sulfur radicals.},
language = {en},
number = {2},
urldate = {2024-07-09},
journal = {RSC Mechanochemistry},
author = {Muñoz-Cortés, E. and Sánchez-Prieto, J. and Zabala, B. and Sanchez, C. and Flores, E. and Flores, A. and Roman, E. and Ares, J. R. and Nevshupa, R.},
month = may,
year = {2024},
pages = {196--210},
file = {Full Text PDF:E:\Usuarios\Administrator\Zotero\storage\V6UMZV57\Muñoz-Cortés et al. - 2024 - Operando exploration of tribochemical decompositio.pdf:application/pdf;Supplementary Information PDF:E:\Usuarios\Administrator\Zotero\storage\M7JCQSWU\Muñoz-Cortés et al. - 2024 - Operando exploration of tribochemical decompositio.pdf:application/pdf},
}