Identification of active sites on supported metal catalysts with carbon nanotube hydrogen highways

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dc.contributor.authorBriggs, Nicholas M.
dc.contributor.authorBarrett, Lawrence
dc.contributor.authorWegener, Evan C.
dc.contributor.authorHerrera, Leidy V.
dc.contributor.authorGomez, Laura A.
dc.contributor.authorMiller, Jeffrey T.
dc.contributor.authorCrossley, Steven P.
dc.date.accessioned2019-03-29T18:24:28Z
dc.date.available2019-03-29T18:24:28Z
dc.date.issued2018-09-20
dc.description.abstractCatalysts consisting of metal particles supported on reducible oxides exhibit promising activity and selectivity for a variety of current and emerging industrial processes. Enhanced catalytic activity can arise from direct contact between the support and the metal or from metal-induced promoter effects on the oxide. Discovering the source of enhanced catalytic activity and selectivity is challenging, with conflicting arguments often presented based on indirect evidence. Here, we separate the metal from the support by a controlled distance while maintaining the ability to promote defects via the use of carbon nanotube hydrogen highways. As illustrative cases, we use this approach to show that the selective transformation of furfural to methylfuran over Pd/TiO2 occurs at the Pd-TiO2 interface while anisole conversion to phenol and cresol over Cu/TiO2 is facilitated by exposed Ti3+ cations on the support. This approach can be used to clarify many conflicting arguments in the literatureen_US
dc.description.peerreviewYesen_US
dc.description.sponsorshipWe acknowledge financial support from the National Science Foundation, Grant CAREER1653935. Use of the Advanced Photon Source is supported by the U.S. Department of Energy, Office of Science, and Office of Basic Energy Sciences, under Contract DE-AC02-06CH11357. MRCAT operations are supported by the Department of Energy and the MRCAT member institutions. E.C.W. and J.T.M. were supported in part by Center for Innovative Transformation of Alkane Resources (CISTAR) by the National Science Foundation under Cooperative Agreement No. EEC-1647722. Open access fees fees for this article provided whole or in part by OU Libraries Open Access Fund.en_US
dc.identifier.citationBriggs, N. M.; Barrett, L.; Wegener, E. C.; Herrera, L. V.; Gomez, L. A.; Miller, J. T.; Crossley, S. P.Identification of Active Sites on Supported Metal Catalysts with Carbon Nanotube Hydrogen Highways. Nat. Commun.2018, 9, 3827, 10.1038/s41467-018-06100-9en_US
dc.identifier.doi10.1038/s41467-018-06100-9en_US
dc.identifier.urihttps://hdl.handle.net/11244/317823
dc.languageenen_US
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectCarbon nanotubes and fullerenesen_US
dc.subjectCatalyst synthesisen_US
dc.subjectChemical engineeringen_US
dc.subjectHeterogeneous catalysisen_US
dc.titleIdentification of active sites on supported metal catalysts with carbon nanotube hydrogen highwaysen_US
dc.typeArticleen_US
ou.groupGallogly College of Engineering::School of Chemical, Biological and Materials Engineeringen_US

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