Nanofluidics in carbonaceous nanostructures: Molecular drag, sensing, filtration, and self-assembly

When:
28/10/2014 @ 2:00 PM – 3:00 PM Asia/Singapore Timezone
2014-10-28T14:00:00+08:00
2014-10-28T15:00:00+08:00
Where:
S16 Level 6 – Theory conference room

Speaker: Petr Král
Affiliation: University of Illinois at Chicago, USA
Abstract Details: In this talk, we review many nanofluidic phenomena predicted and observed at the interfaces of carbonaceous nanostructures [1]. First, we discuss material drag effects around nanotubes and graphene induced by electronic currents, coupling of moving molecules, and mechanical vibrations. Then, we describe electronic sensing of a fluid motion around such nanostructures. Ultrasensitive molecular sensing was also reported at graphene grain boundaries. In a similar way, molecules passing through graphene nanopores can be sensed electronically. These nanopores could be used in water purification, molecular filtration, and DNA sequencing. Finally, we describe the self-assembly of carbon nanostructures by water droplets and nanotubes, mention experiments with water confined between graphene layers, and discuss the formation of filled micelles on the surfaces of carbon nanotubes.

[1] P. Král and B. Wang, Material Drag Phenomena in Nanotubes, Chem. Rev. 113, 3372 (2013)."