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Issue 36, 2011
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Shape-controlled synthesis of silver crystals mediated by imidazolium-based ionic liquids

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Abstract

This work presents an approach toward the shape-controlled synthesis of Ag crystals with hierarchical structures by exploitation of ionic liquids (ILs) as a shape-regulating agent. The synthesis of Ag crystals involves the reduction of AgNO3 by EG in the presence of ILs, specifically 1-butyl-3-methylimidazolium methylsulfate (bmim-MeSO4). In accordance with non-classical crystallization growth mechanism, the primary Ag nanoparticles were formed at the early stage of the reaction, and then self-organized into 1D or 3D Ag superstructures via an IL-mediated self-assembly process. Their final morphologies were strongly dependent on the reaction conditions such as the concentration of ILs in the reaction mixture and the reaction temperature, which suggests that ILs play an important role in controlling the shape of the Ag crystals.

Graphical abstract: Shape-controlled synthesis of silver crystals mediated by imidazolium-based ionic liquids

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Publication details

The article was received on 02 Mar 2011, accepted on 07 Jul 2011 and first published on 01 Aug 2011


Article type: Communication
DOI: 10.1039/C1CP20582J
Citation: Phys. Chem. Chem. Phys., 2011,13, 16138-16141
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    Shape-controlled synthesis of silver crystals mediated by imidazolium-based ionic liquids

    T. Y. Kim, J. H. Yeon, S. R. Kim, C. Y. Kim, J. P. Shim and K. S. Suh, Phys. Chem. Chem. Phys., 2011, 13, 16138
    DOI: 10.1039/C1CP20582J

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