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Nanoparticles of Sr(OH)2: synthesis in homogeneous phase at low temperature and application for cultural heritage artefacts

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Abstract

This paper concerns the synthesis and the characterization of nanometer particles of Sr(OH)2, a moderately high water soluble hydroxide (Ksp= 3.2×10-4 at 25 °C). The reported process yields strontium hydroxide nanoparticles starting from low cost raw materials in aqueous medium (homogeneous phase) at low temperature (below 100 °C) by chemical precipitation from salt solutions, involving very simple operational steps and avoiding the use of organic solvents. Observations by X-ray diffraction (XRD), scanning electron microscopy (SEM), electron dispersive X-Ray (EDX) and Fourier transform infrared spectroscopy (FTIR) indicate that the particles are well-crystallized and have nanometer dimensions (∼ 30 nm in diameter). Moreover, experimental evidence shows the potential use of this material for the protection and the consolidation of wall paintings (frescoes), paper, stone, wood and other artistic artefacts.

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Authors and Affiliations

  1. Dipartimento di Scienze Chimiche, Università di Catania, V. le A. Doria 6, 95125, Catania, Italy

    E. Ciliberto, G.G. Condorelli, S. La Delfa & E. Viscuso

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  1. E. Ciliberto
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  2. G.G. Condorelli
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  3. S. La Delfa
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  4. E. Viscuso
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Corresponding author

Correspondence to S. La Delfa.

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PACS

81.16.Be; 82.70.Dd; 68.37.Hk; 68.37.Xy; 61.46.Df

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Ciliberto, E., Condorelli, G., La Delfa, S. et al. Nanoparticles of Sr(OH)2: synthesis in homogeneous phase at low temperature and application for cultural heritage artefacts. Appl. Phys. A 92, 137–141 (2008). https://doi.org/10.1007/s00339-008-4464-8

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  • DOI: https://doi.org/10.1007/s00339-008-4464-8

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