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Full-Text Articles in Nanoscience and Nanotechnology

Binder Free Graphene Hybridized Fe3o4 Nanoparticles For Supercapacitor Applications, Nathan D. Jansen May 2018

Binder Free Graphene Hybridized Fe3o4 Nanoparticles For Supercapacitor Applications, Nathan D. Jansen

Undergraduate Research & Mentoring Program

In a world with increasing energy demands, the need for safe and mobile energy storage grows. There are a number of renewable energy sources that can be harvested, however peak demand and peak production times tend to not overlap. As the capabilities of collecting the energy grows so does the need to store the energy for later consumption. The two promising methods of storing energy are batteries or supercapacitors. Both technologies employ an electrode consisting of an active material bound to a current collector. This material participates in a redox reaction, storing charge electrochemically to later be used as energy ...


Aerobic Method For The Synthesis Of Nearly Size-Monodisperse Bismuth Nanoparticles From A Redox Non-Innocent Precursor, Hayden Winter, Elena Christopher-Allison, Anna L. Brown, Andrea M. Goforth Feb 2018

Aerobic Method For The Synthesis Of Nearly Size-Monodisperse Bismuth Nanoparticles From A Redox Non-Innocent Precursor, Hayden Winter, Elena Christopher-Allison, Anna L. Brown, Andrea M. Goforth

Chemistry Faculty Publications and Presentations

Herein, we report an aerobic synthesis method to produce bismuth nanoparticles (Bi NPs) with average diameters in the range 40-80 nm using commercially available bismuth triiodide (BiI3) as starting material; the method uses only readily available chemicals and conventional laboratory equipment. Furthermore, size data from replicates of the synthesis under standard reaction conditions indicate that this method is highly reproducible in achieving Bi NP populations with low standard deviations in the mean diameters. We also investigated the mechanism of the reaction, which we determined results from the reduction of a soluble alkylammonium iodobismuthate precursor species formed in situ. Under ...