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Issue 7, 2012
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Synthesis, characterization, and catalytic application of networked Au nanostructures fabricated using peptide templates

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Abstract

Bio-inspired-based methods represent new approaches for the fabrication and activation of nanomaterials, all under ambient and energy-neutral conditions. Recent advances have demonstrated the production of non-spherical materials of Pd and Pt; however, the production of similar Au materials remains challenging. Such fabrication routes are highly important as Au-based nanomaterials of selectable morphologies could have immediate applications in catalysis and energy storage. In this contribution, we demonstrate a peptide template-based methodology for the fabrication of Au nanoparticle networks, which are highly branched linear structures that are prepared in water at room temperature. The materials were fully characterized using UV-vis, TEM, XRD, and DLS, from which their catalytic activity was subsequently studied for the reduction of 4-nitrophenol. Using this approach, the materials were shown to be highly reactive as compared to comparable structures, which is likely due to their unique biological template. Together, this research represents a step forward in bio-based methodologies for the fabrication of functional and potentially sustainable materials.

Graphical abstract: Synthesis, characterization, and catalytic application of networked Au nanostructures fabricated using peptide templates

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Publication details

The article was received on 11 Mar 2012, accepted on 18 Mar 2012 and first published on 12 Apr 2012


Article type: Paper
DOI: 10.1039/C2CY20149F
Citation: Catal. Sci. Technol., 2012,2, 1360-1366
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    Synthesis, characterization, and catalytic application of networked Au nanostructures fabricated using peptide templates

    R. Bhandari and M. R. Knecht, Catal. Sci. Technol., 2012, 2, 1360
    DOI: 10.1039/C2CY20149F

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