Graphene integrated polymeric membranes for ultrafiltration

Official URL: https://sites.google.com/a/carbonhagen.com/carbonhagen2014/abstracts/venkatarssmokkapatigrapheneintegratedpolymericmembranesforultrafiltration

Graphene has the potential to re-define the pore parameters of a conventional ultrafiltration membrane. Due to its flexibility, mechanical strength and atomic thickness, graphene provides a platform for nano/sub nanometer pores for ionic filtration. In this work we would like to present the mechanisms involved in graphene integration/transfer with a polymer substrate, the overall effects of graphene on the properties of the membrane and initial results on textile dye filtration using these membranes. In addition we also would like to present how water nanodroplets can be live imaged under a Transmission Electron Microscope (TEM) using graphene as a TEM window. This method can pave a way for new generation nanofluidic devices where bio-molecules can be imaged in their natural state. Nanodroplet condensation and water bubble dynamics have been observed and recorded by this method.