Dynamic performance of duolayers at the air/water interface. 1. Experimental analysis

Leung, Andy H. M., Prime, Emma L., Tran, Diana N. H., Fu, Qiang, Christofferson, Andrew J., Yiapanis, George, Yarovsky, Irene, Qiao, Greg G. and Solomon, David H. 2014, Dynamic performance of duolayers at the air/water interface. 1. Experimental analysis, Journal of physical chemistry B, vol. 118, no. 37, pp. 10919-10926, doi: 10.1021/jp5060974.

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Title Dynamic performance of duolayers at the air/water interface. 1. Experimental analysis
Author(s) Leung, Andy H. M.
Prime, Emma L.ORCID iD for Prime, Emma L. orcid.org/0000-0002-1410-6717
Tran, Diana N. H.
Fu, Qiang
Christofferson, Andrew J.
Yiapanis, George
Yarovsky, Irene
Qiao, Greg G.
Solomon, David H.
Journal name Journal of physical chemistry B
Volume number 118
Issue number 37
Start page 10919
End page 10926
Total pages 8
Publisher American Chemical Society Publications
Place of publication Washington, D. C.
Publication date 2014
ISSN 1520-5207
Keyword(s) Science & Technology
Physical Sciences
Chemistry, Physical
Chemistry
LANGMUIR-BLODGETT-FILMS
WATER EVAPORATION
SPREADING SOLVENT
CELL MONOLAYERS
OIL POLLUTION
SURFACE
STABILIZATION
RETARDATION
TEMPERATURE
STABILITY
Summary Understanding, and improving, the behavior of thin surface films under exposure to externally applied forces is important for applications such as mimicking biological membranes, water evaporation mitigation, and recovery of oil spills. This paper demonstrates that the incorporation of a water-soluble polymer into the surface film composition, i.e., formation of a three-duolayer system, shows improved performance under an applied dynamic stress, with an evaporation saving of 84% observed after 16 h, compared to 74% for the insoluble three-monolayer alone. Canal viscometry and spreading rate experiments, performed using the same conditions, demonstrated an increased surface viscosity and faster spreading rate for the three-duolayer system, likely contributing to the observed improvement in dynamic performance. Brewster angle microscopy and dye-tagged polymers were used to visualize the system and demonstrated that the duolayer and monolayer system both form a homogeneous film of uniform, single-molecule thickness, with the excess material compacting into small floating reservoirs on the surface. It was also observed that both components have to be applied to the water surface together in order to achieve improved performance under dynamic conditions. These findings have important implications for the use of surface films in various applications where resistance to external disturbance is required.
Language eng
DOI 10.1021/jp5060974
Field of Research 030603 Colloid and Surface Chemistry
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Americal Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30082962

Document type: Journal Article
Collections: Institute for Frontier Materials
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