Abstract
The atomic and cluster structure of hydrogen-treated Cu/ZnO (the major component of methanol synthesis catalysts) was studied using Bragg powder and small-angle neutron diffraction. Isotopic substitution of Cu and H was used to obtain reliable results indicating Cu and H clustering. The clusters form on the boundaries of ZnO particles and have a complex structure: a copper cluster surrounded by an adsorbed hydrogen shell has a hydrogen core. It can be assumed that this cluster configuration has a strong effect on the catalytic activity of these compounds.
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Original Russian Text © V.A. Trunov, A.E. Sokolov, V.T. Lebedev, O.P. Smirnov, A.I. Kurbakov, J. Van den Heuvel, E. Batyrev, T.M. Yurieva, L.M. Plyasova, G. Török, 2006, published in Fizika Tverdogo Tela, 2006, Vol. 48, No. 7, pp. 1222–1228.
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Trunov, V.A., Sokolov, A.E., Lebedev, V.T. et al. Detection of hydrogen-copper clustering in Zn1−x CuxO compounds using neutron scattering methods. Phys. Solid State 48, 1291–1297 (2006). https://doi.org/10.1134/S1063783406070122
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DOI: https://doi.org/10.1134/S1063783406070122