The Second Phase of Gold Nanoparticle Manipulation based on AFM in Different Liquid Environments

Author

Associate Professor of Mechanical Engineering, Arak University, Arak, Iran

Abstract

The use of gold metal in astronautics, electronics and medical sciences has led to its consideration. Therefore, structural studies and changes have been made to improve the properties or establish special atomic arrangements in nanoscience for this particular metal. Atomic force microscopy(AFM) is one of the most widely used tools for these purposes. Therefore, in this paper, the displacement of gold nanoparticles during manipulation using the atomic force microscopy, which is one of the objectives of the second phase, in the environmental conditions of water, plasma and methanol, has been investigated. For this purpose, the process is first modeled in two dimensions and the intermolecular forces of van der Waals, the double layer force and the hydration force are considered. Then, the displacement diagrams are drawn considering the forces between the molecule and the studied environments. Finally, according to the simulation results in different environments, the highest displacement of gold nanoparticles in the second phase of manipulation was in water and the lowest in plasma.

Keywords


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