Production and Characterization of New 2D Materials for Technological Applications in Composites and Surface Coatings

Kouroupis-agalou, Konstantinos (2016) Production and Characterization of New 2D Materials for Technological Applications in Composites and Surface Coatings, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Chimica, 28 Ciclo. DOI 10.6092/unibo/amsdottorato/7420.
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In this dissertation, we firstly developed a new method to evaluate the exfoliation results of Graphene and other 2D materials (Graphene Oxide, Boron Nitride).This was essential to understand the fundamental processes behind the production of 2D materials. Additionally, that helped us to understand the production development of 2D-based composite materials and bio- compatible materials, such as gelatin fibers. We evaluated the processed 2D nanomaterials with commonly used characterization techniques used in the scientific and industrial world, which are the Atomic Force Microscope. Furthermore, we developed this method by using Fluorescence Optical Microscopy (FOM), Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM). Based on AFM analysis of thousands samples, the exfoliation of 2D nanomaterials, like the distributions recognized in the fields of biology, astronomy and mineralogy. We demonstrated a new way to produce stable graphene solutions in low boiling point solvents and how the exfoliated material can interpret into polymer surface such as Polyvinylchloride (PVC) and natural rubber. Overall, the uniqueness of this work is that we developed a new method that has not been studied before and gives the opportunity to materials scientists that are researching on the growing field of Graphene and other 2D materials to have a method in order to control, quantify and evaluate the exfoliation results of nanomaterials that are produced through the most well-known methods of liquid phase exfoliation and ball milling, both of which are applied in scientific and industrial level. Thus, the results presented in this work may offer insight into the polymer composites where the size and shape of nanosheets can be rationally optimized.

Tipologia del documento
Tesi di dottorato
Kouroupis-agalou, Konstantinos
Dottorato di ricerca
Scuola di dottorato
Scienze chimiche
Settore disciplinare
Settore concorsuale
Parole chiave
2D materials, graphene, boron nitride, graphene oxide, fragmentation, exfoliation, metrology, AFM, polymer composites, organic dyes, perylenediimides
Data di discussione
26 Aprile 2016

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