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Rational design of monolayers for improved water evaporation mitigation

Prime, Emma L., Tran, Diana N. H., Plazzer, Michael, Sunartio, Devi, Leung, Andy H. M., Yiapanis, George, Baoukina, Svetlana, Yarovsky, Irene, Qiao, Greg G. and Solomon, David H. 2012, Rational design of monolayers for improved water evaporation mitigation, Colloids and surfaces A: physicochemical and engineering aspects, vol. 415, pp. 47-58, doi: 10.1016/j.colsurfa.2012.09.025.

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Title Rational design of monolayers for improved water evaporation mitigation
Author(s) Prime, Emma L.ORCID iD for Prime, Emma L. orcid.org/0000-0002-1410-6717
Tran, Diana N. H.
Plazzer, Michael
Sunartio, Devi
Leung, Andy H. M.
Yiapanis, George
Baoukina, Svetlana
Yarovsky, Irene
Qiao, Greg G.
Solomon, David H.
Journal name Colloids and surfaces A: physicochemical and engineering aspects
Volume number 415
Start page 47
End page 58
Total pages 12
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2012-12-05
ISSN 0927-7757
1873-4359
Keyword(s) monolayer
water evaporation
molecular dynamics simulation
wind resistance
1-octadecanol
ethylene glycol monooctadecyl ether
Science & Technology
Physical Sciences
Chemistry, Physical
Chemistry
MOLECULAR-DYNAMICS SIMULATIONS
LANGMUIR-BLODGETT-FILMS
SPREADING SOLVENT
LIPID-BILAYERS
SURFACE
RETARDATION
OCTADECANOL
PERMEATION
INTERFACE
MEMBRANES
Summary Seven chemically designed monolayer compounds were synthesized and investigated with comparison to the properties and water evaporation suppression ability of 1-hexadecanol and 1-octadecanol. Increasing the molecular weight and polarity of the compound headgroup drastically altered the characteristics and performance of the monolayer at the air/water interface. Contrary to the common expectation the monolayer's lifetime on the water surface decreased with increasing number of ethylene oxy moieties, thus optimal performance for water evaporation suppression was achieved when only one ethylene oxy moiety was used. Replacing the hydroxyl headgroup with a methyl group and with multiple ethylene oxy moieties resulted in a loss of suppression capability, while an additional hydroxyl group provided a molecule with limited performance against water evaporation. Theoretical molecular simulation demonstrated that for exceptional performance, a candidate needs to possess a high equilibrium spreading pressure, the ability to sustain a highly ordered monolayer with a stable isotherm curve, and low tilt angle over the full studied range of surface pressures by simultaneously maintaining H-bonding to the water surface and between the monolayer chains.
Language eng
DOI 10.1016/j.colsurfa.2012.09.025
Field of Research 030603 Colloid and Surface Chemistry
030799 Theoretical and Computational Chemistry not elsewhere classified
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 ©2012, Elsevier
Free to Read? Yes
Free to Read Start Date 2016-12-06
Use Rights Creative Commons Attribution Non-Commercial No-Derivatives licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30082958

Document type: Journal Article
Collections: Institute for Frontier Materials
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.