Nanobubble stability induced by contact line pinning.

  title={Nanobubble stability induced by contact line pinning.},
  author={Yawei Liu and Xianren Zhang},
  journal={The Journal of chemical physics},
  volume={138 1},
The origin of surface nanobubbles stability is a controversial topic since nanobubbles were first observed. Here, we propose a mechanism that the three-phase contact line pinning, which results from the intrinsic nanoscale physical roughness or chemical heterogeneities of substrates, leads to stable surface nanobubbles. Using the constrained lattice density functional theory (LDFT) and kinetic LDFT, we prove thermodynamically and dynamically that the state with nanobubbles is in fact a… CONTINUE READING

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