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Issue 48, 2018
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3D characterization of heat-induced morphological changes of Au nanostars by fast in situ electron tomography

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Abstract

A thorough understanding of the thermal stability and potential reshaping of anisotropic gold nanostars is required for various potential applications. Combination of a tomographic heating holder with fast tilt series acquisition has been used to monitor temperature-induced morphological changes of Au nanostars. The outcome of our 3D investigations can be used as an input for boundary element method simulations, enabling us to investigate the influence of reshaping on the nanostars’ plasmonic properties. Our work leads to a better understanding of the mechanism behind thermal reshaping. In addition, the approach presented here is generic and can hence be applied to a wide variety of nanoparticles made of different materials and with arbitrary morphology.

Graphical abstract: 3D characterization of heat-induced morphological changes of Au nanostars by fast in situ electron tomography

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Publication details

The article was received on 16 Oct 2018, accepted on 28 Nov 2018 and first published on 28 Nov 2018


Article type: Paper
DOI: 10.1039/C8NR08376B
Citation: Nanoscale, 2018,10, 22792-22801
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    3D characterization of heat-induced morphological changes of Au nanostars by fast in situ electron tomography

    H. Vanrompay, E. Bladt, W. Albrecht, A. Béché, M. Zakhozheva, A. Sánchez-Iglesias, L. M. Liz-Marzán and S. Bals, Nanoscale, 2018, 10, 22792
    DOI: 10.1039/C8NR08376B

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