A series of colloidal Cu(0)/ZnO nanoparticle catalysts for CO2 hydrogenation to methanol are described. The catalysts show high methanol activity compared to conventional ternary catalysts (824 vs. 320 mmolMeOH/gCathr).  The ZnO nanoparticles are synthesized via the hydrolysis of ZnEt2 and Zn(O2XRn)2 (where X=P n=2 and X=C n=1), carried out at 298 K. Crystalline (wurtzite) ZnO nanoparticles are formed of 3-5 nm diameter, the particle surface is coordinated by (O2XRn) groups.1,2  The relative loadings of the precursors control the surface coverage. The Cu(0) nanoparticles are formed by reduction of Cu(O2XRn)2 (where X=P n=2 and X=C n=1) with N2H4. The catalysts are tested as colloidal solutions (squalane) at 3:1 H2:CO2 (total pressure = 50 bar) at 523 K. The catalytic activity is controlled by both the surface coverage and the Cu:ZnO.1 K.L. Orchard et al., Chem.Mater., 2012, 24 , 2443.2 A. Gonz�lez-Campo et al., Chem.Commun., 2009, 4034.

Tuneable ZnOCu catalyst system for CO<sub>2</sub> hydrogenation to methanol

245th National Meeting (2013)

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Tuneable ZnOCu catalyst system for CO2 hydrogenation to methanol

Tuneable ZnOCu catalyst system for CO₂ hydrogenation to methanol