Tag: advanced materials

N&N members at NANOSELECT annual meeting 2017

The annual meeting 2017 of the Network of Excellence NANOSELECT (Advanced materials and NANOtechnologies for innovative electrical, ELECTronic and magnetoelectronic devices) took place from July 10th to July 12th 2017 in Sant Feliu de Guíxols (Girona).

Several members of the N&N group (Ma, MartíMiquel, Anna May and Anna Roig) attended the meeting and participated with the following posters:

  • Pd nanoparticles on bacterial cellulose templated Al2O3 for catalysis (J. Grzelak, M. Gich and A. Laromaine)
  • Epitaxial stabilization of epsilon-Fe2O3 thin films without buffer layer (Z. Ma, J. Gàzquez, F. Sánchez and M. Gich)
  • Multimaterials-nanoparticles by facile microwave-assisted routes (M. Torras, O. Arriaga, P. Sallés, A. May and Anna Roig)
Ma showing his poster
Miquel and Anna May with their shared poster contribution

Seminar of Dr. Ali Mohraz next Tuesday 17th of November at 3pm

“Colloids at Fluid Interfaces: Opportunities for Advanced Materials Synthesis”
Ali Mohraz, Associate Professor of Chemical Engineering and Materials Science, University of California, Irvine

Particle seAli Mohrazquestration at the interface of immiscible fluids has been known for more than a century and exploited in the formulation of solid-stabilized (Pickering) emulsions for drug delivery, oil recovery, food, and personal care products, to name a few.  More recently, new classes of multi-phase mixtures have emerged that exploit interfacial colloid jamming, bridging, ordering, and aggregation for the self-assembly of complex higher-order structures from colloidal building blocks, such as bicontinuous interfacially jammed emulsion gels (bijels), or bridged emulsion gels. The multiphase nature of these mixtures makes them excellent templates for the synthesis of composite materials with tunable morphology at the nano- to micrometer scales, and our group has recently demonstrated various examples of functional materials that can be derived from them.  However, to expand these capabilities into a robust materials synthesis platform, the factors that mediate the mechanical stability and processability of these colloidal mixtures must be better understood.  In this talk, I will review the fundamentals and recent developments in colloidal self-assembly at fluid interfaces, present a novel materials synthesis route that we have pioneered based on these concepts, and discuss the applications of our technology in electrochemical energy conversion and storage, sensing, catalysis, and tissue engineering.  Finally, I will discuss our ongoing efforts to better understand the link between the microstructure, rheology, and processability of this new class of soft materials.

Ali Mohraz received his BSc, ME, and PhD in Chemical Engineering from Azad University, The City College of New York, and The University of Michigan, respectively, and his postdoctoral training at the Frederick Seitz Materials Research Laboratory at The University of Illinois in Urbana-Champaign.  He is currently Associate Professor of Chemical Engineering and Materials Science at the University of California, Irvine.  Dr. Mohraz’s primary research interests are in colloid science and complex fluids engineering, including colloidal assembly at fluid interfaces and microstructural evolution of complex fluids under transient large-strain deformations.

Additional information: Anna Laromaine