Journal
CHEMPHYSCHEM
Volume 18, Issue 10, Pages 1345-1350Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.201700010
Keywords
dynamic light scattering; exchange interactions; liquids; nanostructures; solvent effects
Funding
- Key Laboratory of Interfacial Physics and Technology
- Chinese Academy of Sciences
- Open Research Project of the Large Scientific Facility of the Chinese Academy of Sciences: Study on Self-assembly Technology and Nanometer Array with Ultra-high Density
- National Natural Science Foundation of China [11079050, 11290165, 11305252, 11575281, U1532260]
- National Basic Research Program of China [2013CB932801]
- National Natural Science Foundation for Outstanding Young Scientists [11225527]
- Shanghai Academic Leadership Program [13XD1404400]
- 973 project [2012CB825705]
- Chinese Academy of Sciences [KJCX2-EW-W09, QYZDJ-SSW-SLH019]
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Bulk nanobubbles have unique properties and find potential applications in many important processes. However, their stability or long lifetime still needs to be understood and has attracted much attention from researchers. Bulk nanobubbles are generated based on ethanol-water exchange, a method that is generally used in the study of surface nanobubbles. Their formation and stability is further studied by using a new type of dynamic light scattering known as NanoSight. The results show that the concentration of the bulk nanobubbles produced by this method is about five times greater than that in the degassed group, which indicates the existence of bulk gas nanobubbles. The effects of ethanol/water ratios and temperature on the stability of the bulk nanobubbles have also been studied and their numbers reach a maximum at a ratio of about 1: 10 (v/v).
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