Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/87653
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dc.titleThermally reduced ruthenium nanoparticles as a highly active heterogeneous catalyst for hydrogenation of monoaromatics
dc.contributor.authorSu, F.
dc.contributor.authorLv, L.
dc.contributor.authorFang, Y.L.
dc.contributor.authorLiu, T.
dc.contributor.authorCooper, A.I.
dc.contributor.authorXiu, S.Z.
dc.date.accessioned2014-10-08T08:34:00Z
dc.date.available2014-10-08T08:34:00Z
dc.date.issued2007-11-21
dc.identifier.citationSu, F., Lv, L., Fang, Y.L., Liu, T., Cooper, A.I., Xiu, S.Z. (2007-11-21). Thermally reduced ruthenium nanoparticles as a highly active heterogeneous catalyst for hydrogenation of monoaromatics. Journal of the American Chemical Society 129 (46) : 14213-14223. ScholarBank@NUS Repository.
dc.identifier.issn00027863
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/87653
dc.description.abstractWe report here a thermal reduction method for preparing Ru catalysts supported on a carbon substrate. Mesoporous SBA-15 silica, surface-carbon-coated SBA-15, templated mesoporous carbon, activated carbon, and carbon black with different pore structures and compositions were employed as catalyst supports to explore the versatility of the thermal reduction method. Nitrogen adsorption, X-ray diffraction, field-emission scanning electron microscopy, transmission electron microscopy, scanning transmission electron microscopy, thermogravimetric analysis, and X-ray absorption near-edge structure techniques were used to characterize the samples. It was observed that carbon species that could thermally reduce Ru species at high temperatures played a vital role in the reduction process. Ru nanoparticles supported on various carbon-based substrates exhibited good dispersion with an appropriate particle size, high crystallinity, strong resistance against oxidative atmosphere, less leaching, lack of aggregation, and avoidance of pore blocking. As such, these catalysts display a remarkably high catalytic activity and stability in the hydrogenation of benzene and toluene (up to 3-24-fold compared with Ru catalysts prepared by traditional methods). It is believed that the excellent catalytic performance of the thermally reduced Ru nanoparticles is related to the intimate interfacial contact between the Ru nanoparticles and the carbon support. © 2007 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/ja072697v
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.contributor.departmentCHEMICAL & BIOMOLECULAR ENGINEERING
dc.contributor.departmentDIVISION OF ENVIRONMENTAL SCIENCE & ENGG
dc.description.sourcetitleJournal of the American Chemical Society
dc.description.volume129
dc.description.issue46
dc.description.page14213-14223
dc.description.codenJACSA
dc.identifier.isiut000251182000046
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