Unexpected Homogeneous Bubble Nucleation near a Solid-Liquid Interface

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We report a quasi-three-dimensional observation of electron-beam-induced nanobubbles inside a 1000 nm thick layer of water using the liquid cell electron microscopy. In the early stage of observation, heterogeneous bubble nucleation occurred, and small bubbles coalesced with the adjacent bubbles when they come in contact with each other. However, for the first time, we found that after prolonged electron beam irradiation heterogeneous nucleation did not occur more, and then homogeneous nucleation started even though a solid surface was available for heterogeneous nucleation. We conclude that the Ostwald ripening effect prevents heterogeneous nucleation from occurring and that the lower surface tension due to the generation of ions and radicals boosts the homogeneous nucleation. It was also discovered that the generation sites of homogeneous nucleation are beneath the three-phase contact lines of existing interfacial bubbles.

Original languageEnglish
Pages (from-to)28712-28716
Number of pages5
JournalJournal of Physical Chemistry C
Volume122
Issue number50
DOIs
Publication statusPublished - Dec 20 2018

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liquid-solid interfaces
Bubbles (in fluids)
Nucleation
bubbles
nucleation
Liquids
Electron beams
electron beams
Ostwald ripening
acceleration (physics)
solid surfaces
Electron microscopy
Surface tension
electron microscopy
interfacial tension
Irradiation
Ions
irradiation
Water
liquids

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

Cite this

Unexpected Homogeneous Bubble Nucleation near a Solid-Liquid Interface. / Tomo, Yoko; Li, Qinyi; Ikuta, Tatsuya; Takata, Yasuyuki; Takahashi, Koji.

In: Journal of Physical Chemistry C, Vol. 122, No. 50, 20.12.2018, p. 28712-28716.

Research output: Contribution to journalArticle

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