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Surface interaction of different Cu precursors on oxidised Si(100)

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Abstract

Two different model catalysts were prepared by means of spin-coating on an oxidised Si(100) surface using bis-salicyl-aldehydato-copper(II) and Cu(NO3)2(H2O)2.5, both solved in cyclohexanone, as precursors respectively. The prepared surfaces were examined by atomic force microscopy and Auger electron spectroscopy. Using bis-salicyl-aldehydato-copper(II) as a precursor resulted in a surface covered with highly disperse copper-oxide particles. The use of Cu(NO3)2(H2O)2.5 resulted in disperse copper-oxide clusters. We attribute this difference in surface morphology to a difference in surface interaction of the solutions used.

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Authors and Affiliations

  1. Debye Institute, Surface Science Division, Utrecht University, Padualaan 8, 3584, CH Utrecht, The Netherlands

    R. van Wijk, O. L. J. Gijzeman & J. W. Geus

  2. Debye Institute, Department of Interfaces and Thermodynamics, Utrecht University, Padualaan 8, 3584, CH Utrecht, The Netherlands

    E. ten Grotenhuis & J. C. van Miltenburg

Authors
  1. R. van Wijk
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  2. O. L. J. Gijzeman
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  3. J. W. Geus
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  4. E. ten Grotenhuis
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  5. J. C. van Miltenburg
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van Wijk, R., Gijzeman, O.L.J., Geus, J.W. et al. Surface interaction of different Cu precursors on oxidised Si(100). Catal Lett 24, 171–176 (1994). https://doi.org/10.1007/BF00807387

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  • DOI: https://doi.org/10.1007/BF00807387

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