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Ziegler-type nickel-based hydrogenation catalysts: The effect of the water content of the nickel precursor on the size and nature of the resulting particles

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Abstract

The size and nature of the nanoparticles forming in systems based on Ni(acac)2 · nH2O (n = 0, 0.5, 3.0) and AlEt3 have been determined by high-resolution electron microscopy and X-ray microanalysis. The nickel cluster size depends on the water content of the precursor. The average particle diameter increases from 1.2 nm (Ni(acac)2 · 0.5H2O precursor) to 2.4 nm (Ni(acac)2 · 3H2O precursor). A homogeneous solution forms in the Ni(acac)2–5AlEt3 system, as was demonstrated by examining the system under an electron microscope whose resolving power allows particles larger than 0.7 nm to be detected.

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Authors and Affiliations

  1. Irkutsk State University, Irkutsk, 664003, Russia

    Yu. Yu. Titova, L. B. Belykh & F. K. Shmidt

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  1. Yu. Yu. Titova
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  2. L. B. Belykh
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  3. F. K. Shmidt
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Correspondence to Yu. Yu. Titova.

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Original Russian Text © Yu.Yu. Titova, L.B. Belykh, F.K. Shmidt, 2016, published in Kinetika i Kataliz, 2016, Vol. 57, No. 3, pp. 392–397.

This article is based on the proceedings of the 5th workshop held in memory of Professor Yu.I. Ermakov: “Molecular Design of Catalysts for Hydrocarbon Processing and Polymerization: From Fundamental Research to Practical Applications” (July 5–9, 2015, Altai Republic, Russia).

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Titova, Y.Y., Belykh, L.B. & Shmidt, F.K. Ziegler-type nickel-based hydrogenation catalysts: The effect of the water content of the nickel precursor on the size and nature of the resulting particles. Kinet Catal 57, 388–393 (2016). https://doi.org/10.1134/S0023158416030137

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  • DOI: https://doi.org/10.1134/S0023158416030137

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