Contact

Dr Valeria Garbin
Chemical Engineering
Imperial College London
London SW7 2AZ
+44 20 759 42878
v.garbin at imperial.ac.uk

Postdoc position

A postdoc position on soft matter and rheology will become available in Autumn 2017 as part of the ExtreFlow project. For more information, visit the project page here

Funding


 

Links

COST Action 'Flowing Matter'

The Department of Chemical Engineering is a member of

Particles at interfaces

Nanoparticle desorptionThe self-assembly from suspension of nanoparticles to form adsorbed monolayers at fluid-fluid interfaces is exploited for stabilization of emulsions and foams, for manufacturing of nanoporous capsules and membranes, and in enhanced oil recovery. Nanoparticle monolayers at fluid interfaces often exhibit solid-like behavior and buckle upon strong compression. We observed the mechanically forced desorption of nanoparticles from an oil-water interface. We found that ligand-mediated interparticle repulsion plays a crucial role in this phenomenon, which may be harnessed to recover nanoparticles  in green chemistry applications. With K. J. Stebe and J. C. Crocker at the University of Pennsylvania.

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References

L. Yao, L. Botto, M. Cavallaro, B. Bleier, V. Garbin, K. J. Stebe, Near field capillary repulsionSoft Matter 9, 779-786 (2013)

V. Garbin, J. C. Crocker, K. J. Stebe, Nanoparticles at fluid interfaces: exploiting ligands to control assembly, structure and dynamics, Journal of Colloid and Interface Science 387, 1-11 (2012)

V. Garbin, J. C. Crocker, K. J. Stebe, Forced desorption of nanoparticles from an oil-water interface, Langmuir 28, 1663–1667 (2012)

E. P. Lewandowski, M. Cavallaro, Jr., L. Botto, J. C. Bernate, V. Garbin and K. J. Stebe, Oriented assembly of cylindrical particles by anisotropic capillary interactions, Langmuir 26, 15142-15154 (2010)