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Effects of the synthetic condition on the stability, particle size and redox chemistry of nanoporous CoAlPO-34

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Abstract

This study focuses on the effect of the synthetic conditions on the stability, particle size, redox chemistry of cobalt into the framework of CoAlPO-34. It seems that the most sufficient pH for the substitution of Co into the framework of CoAlPO-34 was pH around 7.5 when the as-synthesized bifunctional catalyst has the best redox property. The pH of the initial gel has strong effect on the particle size of CoAlPO-34. The substitution of cobalt and redox chemistry were determined by: EXAFS combined with XRD, XANES, IR. Stability of the nanoporous catalyst studied by in situ XRD were also reported.

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Acknowledgments

This work was financially supported by the National Foundation for Science and Technology Development, Vietnam (NAFOSTED) under Grant Number 104.05-2013.57.

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Authors and Affiliations

  1. School of Chemical Engineering, C4-306, Ha Noi University of Science and Technology, No 1 Dai Co Viet Road, Ha Noi, Viet Nam

    Hong K. D. Nguyen

  2. Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK

    Gopinathan Sankar

  3. Head of MAPS Faculty, Department of Chemistry, University College London, 20 Gordon Street, London, WC1H 0AJ, UK

    Richard A. Catlow

Authors
  1. Hong K. D. Nguyen
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  2. Gopinathan Sankar
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  3. Richard A. Catlow
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Correspondence to Hong K. D. Nguyen.

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Nguyen, H.K.D., Sankar, G. & Catlow, R.A. Effects of the synthetic condition on the stability, particle size and redox chemistry of nanoporous CoAlPO-34. J Porous Mater 24, 567–572 (2017). https://doi.org/10.1007/s10934-016-0292-y

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  • DOI: https://doi.org/10.1007/s10934-016-0292-y

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