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It has been proved by experimental data and molecular dynamic simulationSimulation that there is a formation of nitrogen dense gas layerDense gas layer (DGL) between hydrophobic graphite and water. DGL is thought be explanation for the stability of nanobubblesNanobubble and origin of hydrophobic force. In order to confirm whether this DGL is the ubiquitous phenomena, we expanded the research on more non-polar gases (Ar, O2, N2) and polar gas (CO2) between hydrophobic graphite solid surface/ hydrophilic NaCl solid surface and water. The results showed that DGLs formed for all non-polar gases while no DGLs formed for polar CO2 at graphite–water interfaceInterface. For hydrophilic NaCl solid surface, no DGLs formed for polar or non-polar gases.

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How Polarity of Gas Affecting Their Interaction with Solid–Liquid Interface

  • 会议论文

  • 发表日期：

    2026年

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  • Hong Peng

摘要

It has been proved by experimental data and molecular dynamic simulationSimulation that there is a formation of nitrogen dense gas layerDense gas layer (DGL) between hydrophobic graphite and water. DGL is thought be explanation for the stability of nanobubblesNanobubble and origin of hydrophobic force. In order to confirm whether this DGL is the ubiquitous phenomena, we expanded the research on more non-polar gases (Ar, O2, N2) and polar gas (CO2) between hydrophobic graphite solid surface/ hydrophilic NaCl solid surface and water. The results showed that DGLs formed for all non-polar gases while no DGLs formed for polar CO2 at graphite–water interfaceInterface. For hydrophilic NaCl solid surface, no DGLs formed for polar or non-polar gases.