In-depth nano-scale analysis of complex interactions of Hg with gold nanostructures using AFM-based power spectrum density method

Prashant D. Sawant; Ylias M. Sabri; Samuel J. Ippolito; Vipul Bansal; Suresh K. Bhargava

doi:10.1039/B816592K

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Physical Chemistry Chemical Physics

Issue 14, 2009

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In-depth nano-scale analysis of complex interactions of Hg with gold nanostructures using AFM-based power spectrum density method

Prashant D. Sawant , Ylias M. Sabri , Samuel J. Ippolito , Vipul Bansal and Suresh K. Bhargava

Phys. Chem. Chem. Phys., 2009, 11, 2374-2378

DOI: 10.1039/B816592K
Received 23 Sep 2008, Accepted 02 Feb 2009
First published on the web 11 Feb 2009

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Abstract
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Atomic force microscopy based power spectrum density (PSD) method along with conventional methods such as line, grain height, root mean square (rms) roughness, is used to probe complex Hg–Au interactions i.e. the amalgamation of smooth gold nanostructures (Au–ns) and partial dissolution of irregular edges of interconnecting Au–ns networks due to Hg. We have demonstrated for the first time the use of the PSD method to gain significant insights into the directional anisotropy of resultant Hg–Au–ns and the range of Au–ns responsible.

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Details of the powder spectrum density method
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Prashant D. Sawant
Ylias M. Sabri
Samuel J. Ippolito
Vipul Bansal
Suresh K. Bhargava

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Physical Chemistry Chemical Physics

In-depth nano-scale analysis of complex interactions of Hg with gold nanostructures using AFM-based power spectrum density method

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