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Publisher: Cambridge : RSC × Subject: catalyst × WGL Institute: LIKAT ×

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    Earth-abundant photocatalytic systems for the visible-light-driven reduction of CO2 to CO
    (Cambridge : RSC, 2017) Rosas-Hernández, Alonso; Steinlechner, Christoph; Junge, Henrik; Beller, Matthias
    Herein, we report a highly selective photocatalytic system, based on an in situ copper photosensitizer and an iron catalyst, for the reduction of CO2 to CO. Turnover numbers (TON) up to 487 (5 h) with selectivities up to 99% and ΦCO = 13.3% were observed. Stern-Volmer analysis allowed us to establish a reductive quenching mechanism between the Cu PS and electron donor.
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    The effect of supported MoOX structures on the reaction pathways of propene formation in the metathesis of ethylene and 2-butene
    (Cambridge : RSC, 2014) Hahn, T.; Kondratenko, E.V.; Linke, D.
    The kind of surface MoOX structures on Al2O3–SiO2 was found to determine propene selectivity in the metathesis of ethylene and 2-butene. Compared to isolated tetrahedral MoOX species, their polymerized octahedral counterparts show significantly lower activity for isomerisation of 2- to 1-butene thus hindering non-selective metathesis of these butenes. In addition, they reveal higher ability to engage ethylene in propene formation.