聚结(物理)
分手
电场
化学物理
分子动力学
同种类的
机械
材料科学
纳米技术
化学
物理
热力学
计算化学
量子力学
天体生物学
作者
Bingbing Wang,Xiaodong Wang,Wei‐Mon Yan,Tianhu Wang
出处
期刊:Langmuir
[American Chemical Society]
日期:2015-06-30
卷期号:31 (27): 7457-7462
被引量:77
标识
DOI:10.1021/acs.langmuir.5b01574
摘要
When an electric field with various strengths is applied to two adjacent conducting droplets, the droplets may completely coalesce, partially coalesce, or bounce off one another. To reveal an atom-scale mechanism of coalescence or non-coalescence, dynamic behaviors of two conducting nanodroplets at a homogeneous electric field are studied via molecular dynamics simulations in this work. The results show that there is a critical field strength and a critical cone angle above which the two droplets partially coalesce or bounce off. Charge transfer between the two droplets is observed when the droplets are brought into contact. The partial coalescence and the bounce-off of the two droplets at strong field strengths are found to be due to the high charge transfer rate, which leads to the breakup of the coalescing droplet at different locations.
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