476317 Graphene and Other Nanosheets: Exfoliation and Processing for Nanocomposites and 3D Macrostructures
of graphene as a single layer nanosheet with unique properties has paved the
way to exploit the optical, electrical, thermal and mechanical properties of
other nanosheets such as MoS2, WS2, and boron nitride. Many
of the existent layered materials have been exfoliated to produce unprecedented
nanosheets including Mxenes and black phosphorous. The
dependence of the nanosheets properties and potential applications on their
structure and morphology, particularly on the number of layers in an individual
nanosheet, necessitates a precise control over their production techniques.
Current nanosheets exfoliation techniques including the liquid-phase exfoliation
lack such a control at atomic level and are challenged by the instability and
reaggregation of nanosheets in liquid media. On the other hand, the yield of
these techniques is not sufficient for bulk usage of nanosheets in applications
such as composites or battery electrodes.
point, in Prof. Micah Greens laboratory, I have tried to address the low yield
of liquid phase exfoliation by using dispersant molecules for stabilization of
colloidal graphene at higher concentrations.
Being aware of the similarities and differences of graphene and other nanosheets, as a faculty member, I will expand my research to new materials and technologies. The research carried in my future laboratory will focus on (i) developing alternative synthesis and/or exfoliation methods for existing and novel 2D nanomaterials, (ii) fundamental study of the processing-structure-property relationships in each nanosheet family, (iii) relate the nanoscale properties of nanosheets to their bulk performance in macrostructures, and (iv) scalable manufacturing strategies to enable usage of these materials in industrial end products in response to real-life needs.
laboratory and future classes, I would apply the methodology that I have
developed during my research career and my teaching experience as a teaching fellow
and teaching assistant (Numerical Analysis for Chemical Engineers &
Reaction Design courses)
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