Communication: Length scale dependent oil-water energy fluctuations
Interfacial fluctuations in the cohesive (van der Waals) interaction energy of spherical oil-drops with water provide evidence of a length scale dependent transition from linear to non-linear response behavior. For sub-nanometer oil-drop sizes, energy fluctuations are found to be independent of the...
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| Veröffentlicht in: | The Journal of chemical physics 2011-11, Vol.135 (20), p.201102-201102-4 |
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| container_end_page | 201102-4 |
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| container_issue | 20 |
| container_start_page | 201102 |
| container_title | The Journal of chemical physics |
| container_volume | 135 |
| creator | Underwood, Robin Ben-Amotz, Dor |
| description | Interfacial fluctuations in the cohesive (van der Waals) interaction energy of spherical oil-drops with water provide evidence of a length scale dependent transition from linear to non-linear response behavior. For sub-nanometer oil-drop sizes, energy fluctuations are found to be independent of the van der Waals coupling strength, while nanometer (and larger) size oil drops experience highly non-linear energy fluctuations. The latter behavior is linked to enhanced hydrophobic density fluctuations and the emergence of entropic contributions to oil-water cohesive interaction free energies. |
| doi_str_mv | 10.1063/1.3664604 |
| format | Article |
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For sub-nanometer oil-drop sizes, energy fluctuations are found to be independent of the van der Waals coupling strength, while nanometer (and larger) size oil drops experience highly non-linear energy fluctuations. 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| fulltext | fulltext |
| identifier | ISSN: 0021-9606 |
| ispartof | The Journal of chemical physics, 2011-11, Vol.135 (20), p.201102-201102-4 |
| issn | 0021-9606 1089-7690 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_908002757 |
| source | MEDLINE; American Institute of Physics (AIP) Journals; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | Entropy Hydrophobic and Hydrophilic Interactions Oils - chemistry Thermodynamics Water - chemistry |
| title | Communication: Length scale dependent oil-water energy fluctuations |
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