There is an increased interest in materials used to make micro sensor devices for specialized applications.  Developing composite material systems are often necessary when seeking properties which are optimized for specialized applications.  For this research project, we desire materials exhibiting properties that are chemically inert, durable, flexible, cheap, and highly piezoelectric with longevity. A polymeric system that exhibits these properties is Polyvinylidene Fluoride (PVDF) doped with neutral and reduced Graphene Oxides (GOs). In this presentation, we will provide details about the optimization of the piezoelectric properties of a PVDF substrate indicated, quantifiably, by an increased level of β-phase crystalline content.  The experimental approaches used to achieve this are a combination of forming specific GO + PVDF composite recipes as well as using the electrospray technique which shows unique advantages over other deposition techniques.  The electrospray technique leverages the high electric field which seems to promote greater uniformity and controlled orientation of the piezoelectricity in the PVDF nanocomposites.  In this talk, we will discuss how the fabrication parameters such as, applied voltage, solution flowrate, target to collector distance, needle gauge, time, and GO doping recipes, affect PVDF samples.  We will also discuss the Raman, Profilometry, XRD, and SEM results associated with our findings.      <br/>

Optimization of a graphene oxide doped PVDF polymeric system using the electrospray technique

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.