Bibliographic Details
| Title: |
Exploring the effects of different immersion environments on the growth of gold nanostructures. |
| Authors: |
Grochola, G.1, Snook, I.1 ian.snook@rmit.edu.au, Chui, D.1, Russo, S. P.1 |
| Source: |
Molecular Simulation. Dec2006, Vol. 32 Issue 15, p1255-1260. 6p. 7 Color Photographs, 1 Chart, 2 Graphs. |
| Subjects: |
Gold, Nanostructures, Molecular dynamics, Atoms, Physics |
| Abstract: |
Even though Au crystallizes only as a simple FCC structure in bulk there have been many different and fascinating structures discovered experimentally for Au on the nanoscale. Unfortunately, for Au a direct ab-initio approach in studying dynamic growth mechanisms of nanostructures is prohibitively expensive from a computational perspective, so here we use methods based on accurate semi-empirical, many-body potentials whose parameters are obtained from a combination of empirical and ab-initio data as a viable alternative. We show that this method when combined with molecular dynamics may be used to simulate the growth of Au particles in a bath of solvent atoms (either in a gaseous or liquid state) which results in structures of a range of different morphologies. An analysis of the results indicates what characteristics of the solvent and its interactions are important in determining these different morphologies. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
