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Electronic Materials Letters

, Volume 15, Issue 1, pp 133–139 | Cite as

Effect of Temperature on Coalescence Behavior of Unsupported Gold Nanoparticles

  • Kayoung Yun
  • Jaegab Lee
  • Ho-Seok NamEmail author
Article
  • 150 Downloads

Abstract

The coalescing behavior of gold nanoparticles was studied by employing molecular dynamics simulations based on a semi-empirical embedded-atom method. Investigations on the coalescing process of the faceted nanoparticles revealed that at relatively low-temperatures, plastic deformation by slip motion was the main mechanism of coalescence, while near the melting point, coalescence was preceded by local fluid motion. Different initial configuration and coalescing temperature have a substantial influence on the coalescing behavior, making different final structures such as twinned face-centered cubic or amorphous nanoparticles.

Graphical Abstract

Keywords

Nanoparticle Coalescence Molecular dynamics simulations 

Notes

Acknowledgments

This work was supported by Basic Science Research Program (2017R1A2B4012871), Leading Foreign Research Institute Recruitment Program (2013K1A4A3055679), and the Priority Research Centers Program (2009-0093814) through the National Research Foundation of Korea (NRF).

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Copyright information

© The Korean Institute of Metals and Materials 2018

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringKookmin UniversitySeoulKorea
  2. 2.Computational Science Research CenterKorea Institute of Science and TechnologySeoulKorea

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