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Selective Hydrogenation of CO 2 to CH 3 OH on Supported Cu Nanoparticles Promoted by Isolated Ti IV Surface Sites on SiO 2

Gina Noh 1 Erwin Lam 1 Jan Lucas Alfke 1 Kim Larmier 2, 1 Keith Searles 1 Patrick Wolf 1 Christophe Copéret 1
1 D-CHAB - Department of Chemistry and Applied Biosciences [ETH Zürich]
2 IFPEN - IFP Energies nouvelles
Abstract : Small and narrowly distributed Cu nanoparticles, supported on SiO2 decorated with isolated TiIV sites, prepared through surface organometallic chemistry, showed significantly improved CO2 hydrogenation activity and CH3OH selectivity compared to the corresponding Cu nanoparticles supported on SiO2. These isolated Lewis acid TiIV sites, evidenced by UV/Vis spectroscopy, are proposed to stabilize surface intermediates at the interface between Cu nanoparticles and the support.
Keywords : CH3OH synthesis CO2 hydrogenation heterogeneous catalysis surface organometallic chemistry titanium
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https://hal-ifp.archives-ouvertes.fr/hal-02417448
Contributor : Nadine Couëdel <>
Submitted on : Wednesday, December 18, 2019 - 11:07:37 AM
Last modification on : Wednesday, December 18, 2019 - 11:07:53 AM

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Gina Noh, Erwin Lam, Jan Lucas Alfke, Kim Larmier, Keith Searles, et al.. Selective Hydrogenation of CO 2 to CH 3 OH on Supported Cu Nanoparticles Promoted by Isolated Ti IV Surface Sites on SiO 2. ChemSusChem, ChemPubSoc Europe/Wiley, 2019, 12 (5), pp.968-972. ⟨10.1002/cssc.201900134⟩. ⟨hal-02417448⟩

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