Past Seminars Seminários Já Decorridos 2014

Self-assembly of inverse patchy particles: adding charges to conventional patchy colloids

By: Emanuela Bianchi
From: Technische Universität Wien
At: Instituto de Investigação Interdisciplinar, Anfiteatro
[2014-12-04] 14:00

(Note that we will have two seminars: one at 2pm and the other at 2:40pm)

Inverse patchy colloids (IPCs) are heterogeneously charged particles characterized by a non-trivial interplay between attractive and repulsive directional interactions [1].  I will focus on IPCs with two charged polar regions and one oppositely charged equatorial belt and present a novel and simple way to tune via external parameters the ordering of such IPCs under confinement in the vicinity of a possibly charged substrate [2,3].  I will also report about the bulk behavior of such systems, focusing on the effect of the parameters featured in the particle-particle interaction potential [4,5]. 

[1] E. Bianchi, G. Kahl, and C. N. Likos Soft Matter 7, 8313 (2011)

[2] E. Bianchi, C. N. Likos, and G. Kahl ACS Nano 7, 4657 (2013) 

[3] E. Bianchi, C. N. Likos, and G. Kahl, NANO letters 14, 3412 (2014) 

[4] E. Noya, G. Doppelbauer, I. Kolovos, G. Kahl, and E. Bianchi, Soft Matter 10, 8464, (2014) 

[5] E. Noya, S. Ferrari, Y. Kalyuzhnyi, G. Kahl, and E. Bianchi, in preparation