Document Type
Article
Original Publication Date
2007
Journal/Book/Conference Title
The Journal of Chemical Physics
Volume
126
Issue
2
DOI of Original Publication
10.1063/1.2404679
Date of Submission
October 2015
Abstract
A new technique is described to study the condensation of supersaturated vapors on nanoparticles under well-defined conditions of vapor supersaturation, temperature, and carrier gas pressure. The method is applied to the condensation of supersaturated trifluoroethanol (TFE) vapor on Mg nanoparticles. The nanoparticles can be activated to act as condensation nuclei at supersaturations significantly lower than those required for homogeneous nucleation. The number of activated nanoparticles increases with increasing the vapor supersaturation. The small difference observed in the number of droplets formed on positively and negatively charged nanoparticles is attributed to the difference in the mobilities of these nanoparticles. Therefore, no significant charge preference is observed for the condensation of TFE vapor on the Mg nanoparticles.
Rights
Abdelsayed, V., El-Shall, M. S. Vapor phase nucleation on neutral and charged nanoparticles: Condensation of supersaturated trifluoroethanol on Mg nanoparticles. The Journal of Chemical Physics 126, 024706 (2007). Copyright © 2007 AIP Publishing LLC.
Is Part Of
VCU Chemistry Publications
Comments
Originally published at http://dx.doi.org/10.1063/1.2404679