Recent Submissions

  • Facile method for making monodispersed colloidal platinum nanocrystals, A 

    Author(s):Snow, Kyle; McCann, Kevin; Yang, Yongan
    Date:2011-08
    Format:posters
  • Methods in data clustering 

    Author(s):Parker, Charley; Coffey, Mark
    Date:2011-08
    Format:posters
    Data clustering methods explored included: K-means algorithm, which minimizes the distances from all data points to the centroid of each point's associated cluster; power iteration, which approximates eigenvectors of a ...
  • Photoluminescence quenching and hot carrier transfer in nanocrystalline silicon 

    Author(s):Miller, Levi; Fields, Jeremy; Collins, Reuben T.; Taylor, P. Craig
    Date:2011-08
    Format:posters
    The maximum efficiency of silicon photovoltaic cell is not 31% but 74%. Collecting hot carriers before they thermalize is a means to achieve this. In this regard, amorphous semiconductors are potentially useful materials. ...
  • Renewable energy applications for oil shale production 

    Author(s):Robles, Elsa; Boak, Jeremy
    Date:2011-08
    Format:posters
    To reduce the environmental impact of oil shale extraction it would be valuable to use renewable energy sources to provide power to heat the oil shale. This poster presents analysis of different renewable resources that ...
  • Characterization of defect density of varying crystal volume fraction in nano crystalline silicon 

    Author(s):Gomez, Stephanie; Riskey, Corey; Taylor, P. Craig
    Date:2011-08
    Format:posters
    The objective of this research is to determine how the volume fraction of nano crystalline silicon affects the number of defects caused by dangling bond spins.
  • Investigating the metastabilities surrounding hydrogen hydrates for energy storage applications 

    Author(s):Shebowich, Michelle; Arias, Melissa; Grim, Robert Gary; Kerkar, Prasad; Sum, Amadeu; Koh, Carolyn
    Date:2011-08
    Format:posters
    Hydrogen hydrate in its most thermodynamically stable form, sII, holds a maximum 3.8 wt. % hydrogen, less than the 5.5 wt. % needed to meet the Department of Energy 2015 goal. This novel work explored H2 hydrate structure, ...
  • High performance computing applications for material physics 

    Author(s):Johnson, Matthew
    Date:2011-08
    Format:posters
    The Spanish Initiative for Electronic Simulations with Thousands of Atoms (SIESTA) is a powerful modeling tool that analyzes the electrodynamics of a molecule or solid. It can also evaluate the photoelectric characteristics ...
  • Vertical alignment of gold nanorods with AC voltage 

    Author(s):Smith, Lois; Wu, Ning
    Date:2011-08
    Format:posters
    The ability to easily and efficiently align nanorods would improve solar cells and sensors by leaps and bounds. We choose Au nanorods as a model system and studied their alignment under an electric field. The alignment of ...
  • Effect of environmental aging on the mechanical properties of PMMA material used in concentrating photovoltaics, The 

    Author(s):Carloni, Joseph D.; Wilkinson, Taylor M.; Miller, David C.; Packard, Corinne E.
    Date:2011-08
    Format:posters
    Concentrating photovoltaics (CPV) modules use focused light. A frensed lens requires less material and is lighter than a bulky and expensive traditional domed lens. A promising lens material is poly(methyl methacrylate) ...
  • NMR analysis of passivated silicon quantum dots 

    Author(s):Sorenson, Blaire; Yang, Yongan; Cheng, Jifang; Williams, S. Kim R.
    Date:2011-08
    Format:posters
    The increased demand for energy calls for the development of new approaches towards renewable energy sources. Solar energy is one of the most abundant energy resources that can be converted to thermal, chemical and electrical ...
  • Recovery of iodine from produced water through anion resin exchange 

    Author(s):Fruit, John Terrell; Xu, Pei; Hoppe-Jones, Christiane; Cath, Tzahi Y.
    Date:2011-08
    Format:posters
    The element iodine, I2, is very important to current society. It is used to make products such as film, dye, supplements, medicine and many organic compounds. The use of iodine will continue to expand in application and ...
  • Synthesis and characterization of Br- and Cl- anion exchange membranesfor use in alkaline polymer electrolyte fuel cells 

    Author(s):Tansey, Emily; Herring, Andrew M.; Horan, James L.; Vandiver, Melissa A.
    Date:2011-08
    Format:posters
    Proton exchange membrane (PEM) fuel cells utilize pure hydrogen fuel and platinum-based catalysts. Hydrogen has a relatively low energy density, so large-scale fuel storage is required to operate PEMs. Pt-based catalysts ...
  • Raman characterization of ZnO and Si nanowires 

    Author(s):Whalen, Jessica; Collins, Reuben T.; Furtak, Thomas E.
    Date:2011-08
    Format:posters
    Organic Photovoltaics (OPVs) have gained favor recently for low production cost and potential for roll-to-roll flexible substrates. Though efficiency is fundamentally less than commercial PVs, low production temperature ...
  • Successive ionic layer adsorption and reaction for organic/inorganic interfaces 

    Author(s):Hunt, Heather; Collins, Reuben T.; Furtak, Thomas E.
    Date:2011-08
    Format:posters
    Zinc oxide is a promising material for use in organic electronics, particularly organic photovoltaics (OPVs). ZnO has a large band gap around 3.3 eV, has a high electron mobility, is non-toxic, and can be processed using ...
  • Bandgap engineering in graphene nanomesh for photovoltaics 

    Author(s):Vodnik, Douglas; Oswald, William; Wu, Zhigang
    Date:2011-08
    Format:posters
    Graphene, a flat monolayer of carbon atoms tightly packed into a two-dimensional honeycomb lattice, was first isolated in 2004. Graphene has attracted a great deal of research interest due to its many amazing properties, ...
  • Altering shear thickening of chemical mechanical polishing slurries through the addition of electrolytes and organic solvents 

    Author(s):Yohe, Benjamin; Crawford, Nathan; Liberatore, Matthew W.; Williams, S. Kim R.
    Date:2011-08
    Format:posters
    Chemical mechanical polishing (CMP) planarizes and polishes semiconducting materials commonly used in microelectronics. The CMP process depends highly on the slurry composition, particle size and concentration, pH, and ...
  • Chemical bath deposition of hematite nanostructures for photo-electrochemical water splitting 

    Author(s):Sale, Alex; Morrish, Rachel; Wolden, Colin Andrew
    Date:2011-08
    Format:posters
    Storing solar energy in the form of chemical bonds presents a sustainable approach to meet future energy demands. However, improvements in efficiency and cost are needed before photo-electrochemical (PEC) water splitting ...
  • Plasma enhanced chemical vapor deposition synthesis of metal carbide membranes for high temperature H2 separations 

    Author(s):Finegan, Donal; Ostwal, Mayur; Way, J. Douglas; Wolden, Colin Andrew
    Date:2011-08
    Format:posters
    Approximately 80% of the global energy demand comes from fossil fuels and this reliance is expected to increase at least until the year 2020. Combustion of these fossil fuels to generate power produces CO2. Hydrogen gas ...
  • Renewable energy and climate change education 

    Author(s):Azari, Abigail; Howell, Cynthia; Munakata Marr, Junko; Mitcham, Carl
    Date:2011-08
    Format:posters
    In order to address the challenges in the infusion of climate change science into high school and community college renewable energy course offerings, this study focused on administrators and faculty of community colleges ...