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Mesoporous Au-loaded Fe2O3 Nanoparticle Assemblies for Chemoselective Reduction of Nitroarenes

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Abstract

In this article, we report the synthesis of unique mesoporous Au-loaded Fe2O3nanoparticle assemblies (Au/Fe2O3-NPAs) through a surfactant-assisted aggregating assembly method. The resulting network structure, which composed of small Au nanocrystals (ca. 5 nm) finely dispersed on surface of Fe2O3 NPs (ca. 6–7 nm), possesses a 3D open-pore structure with a BET surface area of 123 m2g-1 and uniform mesopores (~4.5 nm). Au/Fe2O3-NPAs showed high catalytic activity and chemical stability for the selective transformation of nitroaromatic compounds into the corresponding amines, using 1,1,3,3-tetramethyl disiloxane as reducing agent at ambient conditions.

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acknowledgments

Financial support by the European Union and the Greek Ministry of Education (ERC-09, MESOPOROUS-NPs) is gratefully acknowledged.

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Authors and Affiliations

  1. Department of Materials Science and Technology, University of Crete, Heraklion, 71003, Greece

    Ioannis Papadas & Gerasimos S. Armatas

  2. Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece

    Stella Fountoulaki & Ioannis N. Lykakis

Authors
  1. Ioannis Papadas
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  2. Stella Fountoulaki
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  3. Ioannis N. Lykakis
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  4. Gerasimos S. Armatas
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Papadas, I., Fountoulaki, S., Lykakis, I.N. et al. Mesoporous Au-loaded Fe2O3 Nanoparticle Assemblies for Chemoselective Reduction of Nitroarenes. MRS Online Proceedings Library 1749, 1–6 (2015). https://doi.org/10.1557/opl.2014.929

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  • DOI: https://doi.org/10.1557/opl.2014.929

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