Laboratoire Charles Coulomb UMR 5221 CNRS/UM2 (L2C)

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Theme : Complex interfaces

Presentation

Physics of interfaces have enjoyed a renewed interest thanks to the introduction of new experimental tools and theoretical concepts able to design and rationalize interfaces with large degree of complexity (surfaces with controlled gaussian curvatures, liquid crystal shells), in which colloidal systems show original dynamics. Thanks to lithography and microfluidics, such complex interfaces are designed. In this context, the main results of the group concern: (1) the design and characterization of liquid interfaces presenting complex morphologies and order and their coupling with colloidal particles trapped on them; and (2) the study of equilibrium and non-equilibrium dynamics taking place at the interface of fluid with different degrees of complexity.
We have expertise with manipulations of particles based on optical tweezers or microfluidic approaches. We have also developed original experimental setups based on optical tools (microscopy, optical trappings, scattering, holography and ellipsometry) allow measuring diffusion coefficients, contact angles and interactions between colloids at these interfaces.


- DYNAMICS OF PASSIVE COLLOIDS AT THE INTERFACES OF SIMPLE FLUIDS,click!
- ACTIVE JANUS COLLOIDS AT THE INTERFACE OF SIMPLE FLUIDS, click!
- COLLOIDS AT THE INTERFACE BETWEEN COMPLEX FLUIDS, click!
- OFF-EQUILIBRIUM MISCIBLE FLUID INTERFACES, click!
- INTERFACE TAILORED MATERIALS, click!

Smetic shell displaying a textural instability

8 People

PERMANENTS NON PERMANENTS

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Latest publications

+ Superhydrophobic capillary coatings: Elaboration, characterization and application to electrophoretic separations doi link

Author(s): Renard Charly, Leclercq Laurent, Stocco A., Cottet Herve

(Article) Published: Journal Of Chromatography A, vol. 1603 p.361-370 (2019)

 
+ Spinning Drop Dynamics in Miscible and Immiscible Environments doi link

Author(s): Carbonaro A., Cipelletti L., Truzzolillo D.

(Article) Published: Langmuir, vol. 35 p.11330-11339 (2019)
Links openAccess full text : openaccess

 
+ Transition from Confined to Bulk Dynamics in Symmetric Star–Linear Polymer Mixtures doi link

Author(s): Parisi Daniele, Truzzolillo D., Deepak Vishnu, Gauthier Mario, Vlassopoulos Dimitris

(Article) Published: Macromolecules, vol. 52 p.5872-5883 (2019)

 

Dynamics of passive colloids at the interfaces of simple fluids

Dynamics of passive colloids at the interfaces of simple fluids People involved: Blanc C., Nobili M., Stocco A., Gross M., In M., Chollet B.
The interface between two fluids is extremely (...)

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Active Janus colloids at the interface of simple fluids

Active Janus colloids at the interface of simple fluids People involved: Stocco A., Blanc C., Nobili M., In M., Chollet B.
Colloids partially coated with platinum are able to perform autonomous (...)

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Colloids at interface between complex fluids

1. Colloids as probe of surface viscosity at complex fluid interfaces laden with soluble surfactants People involved: M. Nobili, M. In, Stocco A., Ch. Blanc,
We use micro-rheology to assess the (...)

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Off-Equilibrium miscible fluid Interfaces

Off-Equilibrium miscible fluid Interfaces People involved: D. Truzzolillo, S. Mora, L. Cipelletti
Interfacial tension between immiscible phases is a well-known phenomenon, which manifests (...)

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Interface tailored Materials

1. PIC micelles as structuring agents for mesoporous materials
Structured mesoporous materials present surfaces that are used as catalyst support and large porous volumes that are used as drug (...)

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