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Control of Nanomate...
Control of Nanomaterial Self-Assembly in Ultrasonically Levitated Droplets
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- Seddon, Annela M. (author)
- University of Bristol
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- Richardson, Sam J (author)
- University of Reading
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- Rastogi, Kunal (author)
- University of Reading
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- Plivelic, Tomás (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Squires, Adam M. (author)
- University of Bath,University of Reading
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- Pfrang, Christian (author)
- University of Reading
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(creator_code:org_t)
- 2016
- 2016
- English 5 s.
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In: The Journal of Physical Chemistry Letters. - 1948-7185. ; 7:7, s. 1341-1345
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Abstract
Subject headings
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- We demonstrate that acoustic trapping can be used to levitate and manipulate droplets of soft matter, in particular, lyotropic mesophases formed from selfassembly of different surfactants and lipids, which can be analyzed in a contact-less manner by X-ray scattering in a controlled gas-phase environment. On the macroscopic length scale, the dimensions and the orientation of the particle are shaped by the ultrasonic field, while on the microscopic length scale the nanostructure can be controlled by varying the humidity of the atmosphere around the droplet. We demonstrate levitation and in situ phase transitions of micellar, hexagonal, bicontinuous cubic, and lamellar phases. Thetechnique opens up a wide range of new experimental approaches of fundamentalimportance for environmental, biological, and chemical research.
Keyword
- self-assembly structures
- levitated droplets
Publication and Content Type
- art (subject category)
- ref (subject category)
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