Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 294, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2019.111678
Keywords
Dielectric properties; Microwave; Molecular dynamics simulation
Funding
- Science and Technology Plan Application Basis Projects of Sichuan Province, China [2014JY0108]
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In continuation of our previous measurements on the interaction between DMSO-primary alcohol mixtures and microwaves, we investigated the nonlinear dielectric response of a DMSO-methanol mixture by molecular dynamics simulation. The intermolecular interaction energy, transport, and hydrogen bonding dynamics of the mixture reflecting the nonlinear dielectric response were measured. We observed a distinct threshold effect in which the intermolecular interaction energy, hydrogen bonding lifetime, diffusion coefficient, and the viscosity of the mixture were increased or decreased dramatically when the intensity of the microwave field exceeded a certain value. The present study also shows that the loss of microwave energy due to friction between the molecules cannot be ignored. This work reveals the extent of non-thermal microwave effects in the DMSO-Methanol mixture. (C) 2019 Published by Elsevier B.V.
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