Recent Submissions

  • A facile method for making monodispersed colloidal plantinum nanocrystals 

    Contributor:Snow, Kyle; McCann, Kevin; Yang, Yongan
    Date:2012-08
    Platinum nanoparticles are extremely small clusters of Pt atoms, usually 1-50 nanometers (nm) in width, homogeneously dispersed in a colloidal solution. Pt nanoparticles have excellent catalytic strength, even more so than ...
  • Horizontal deposition of polystyrene colloids for enhanced light trapping in solar cells 

    Contributor:Omkamoto, Kento; Wu, Ning; Ma, Fuduo
    Date:2012-08
    Motivations: A majority of solar cells base their materials off of silicon wafers about 180-300 microns in thickness due to it being very cost efficient in the market. However, when the thickness of silicon wafers are ...
  • Renewable energy applications for oil shale drilling 

    Contributor:Salomon, ViolaineBoak, Jeremy;
    Date:2012-08
    Extracting oil shale requires a large amount of energy for heating and pyrolyzing the rock. Using renewable energy sources is a good opportunity to reduce the overall carbon footprint. This poster details thermal solar as ...
  • Performance analysis and introduction to optimization of ParFlow 

    Contributor:Sanders, Kevin; Kaiser, Timothy
    Date:2012-08
    ParFlow is an open-source, object-oriented, parallel watershed flow model. It includes fully-integrated overland flow, the ability to simulate complex topography, geology and heterogeneity and coupled land-surface processes ...
  • Micro-scale mechanical properties of NMC lithium ion battery cathodes 

    Contributor:Musselman, Matt; Wilkinson, Taylor; Smith, Kandler; Packard, Corinne
    Date:2012-08
    This work aims to update current lithium ion battery lifetime models in order to provides more accurate predictions on batteries for use in electric/hybrid cars. This requires new physics-based models and an understanding ...
  • Centrifugal sieving for the size separation of lunar regolith in microgravity 

    Contributor:Martinez, Myles; Fruit, John; Dreyer, Christopher; Walton, Otis; Riedel, Ned
    Date:2012-08
    For any microgravity environment traditional sieving methods used on earth can fail or be less effective for smaller size particles. Previously a device was designed and built that uses centrifugal force created by a ...
  • Raman spectroscopy of silicon quantum dots 

    Contributor:Rachel, Kurchin; Kendrick, Chito; Collins, Reuben; Furtak, Thomas
    Date:2012-08
    Silicon quantum dots are synthesized and studied extensively by REMRSEC, but they have not thus far had a fast and reliable way to characterize them. In this work, Raman spectroscopy is employed to study dots in varying ...
  • Gas hydrate adhesion to mineral surfaces 

    Contributor:Leith, Will; Aman, Zachary M.; Sum, Amadeu K.; Koh, Carolyn A.
    Date:2012-08
    Hydrates are crystalline inclusion compounds, where water forms cages that encage 'guest molecules' (typically hydrocarbons). The amount of energy stored in gas hydrates is estimated to be twice that of traditional fossil ...
  • Using AFM to find evidence of conformal monolayers 

    Contributor:Meinig, Erich; Brenner, Thomas; Chen, Gang; Collins, Reuben; Furtak, Thomas
    Date:2012-08
    Atomic force microscopy (AFM) is one of the tools used to infer whether a conformal monolayer of the surface treatment exists. AFM roughness measurements can be used to detect changes in height before and after surface ...
  • Renewable energy and climate change education 

    Contributor:Kawaguchi, Kelsey; Howell, Cynthia; Munakata-Marr, Junko; Mitcham, Carl
    Date:2012-08
    To identify barriers to incorporating climate change (CC) education into high school and community college courses, 24 national educators were interviewed. During each 30-minute recording, instructors described experiences ...
  • Spatial frequency modulation for imaging (SPIFI) in optical and mid-IR wavelength systems 

    Contributor:Johnson, Nicole; Corchado, Jaime; Squier, Jeff; Toberer, Eric
    Date:2012-08
    This work aims to use a single element detector for 2D imaging. The work uses frequency encoding to eliminate the need to scan in the direction of line focus and it uses a Fourier transform detector signal to recover ...
  • Novel bimetallic catalysts for use in anion exchange membrane fuel cells 

    Contributor:Sather, Nicholas A.; Ham, James M.; Herring, Andrew M.; Greenlee, Lauren F.
    Date:2012-08
    Widespread implementation of current fuel cell technology is inhibited by the scarcity and price of the catalysts on both the anode and cathode. However, recent research suggests that Alkaline Anion Exchange Membrane Fuel ...
  • The deformation of indium oxide nanostructures 

    Contributor:Gomez, Stephanie; Kumar, Mukesh; Packard, Corrine E.
    Date:2012-08
    The development of nanowire technology is important for the application of small and compact devices to replace bulk material and has been a subject of great interest due to their potential in advancing field effect ...
  • Centrifugal sieve segregation in micro gravity 

    Contributor:Fruit, John Terrell; Martinez, Myles Kristian Alexander; Dreyer, Christopher; Walton, Otis
    Date:2012-08
    Sieving in space could be crucial to applications such as yielding smaller material for construction and extraction. Thus, improvements were implemented to a centrifugal sieve which included: Labview operating VI for motor ...
  • Benzoic acid surface functionalization of conduction band engineered Zn1-xMgxO layers for enhanced organic/inorganic photovoltaics 

    Contributor:Flores, Tom; Brenner, Thomas; Chen, Gang; Furtak, Thomas; Collins, Reuben
    Date:2012-08
    Increasing the efficiency of organic/inorganic photovoltaics will open the door to a cheap, easy, and safe means to bring solar energy to the masses. A key role in raising this efficiency is by maximizing the band gap ...
  • Optical spectroscopy of hybrid organic/inorganic solar cell materials 

    Contributor:Cruz, Jose; Chen, Gang; Otnes, Gaute; Kendrick, Chito; Furtak, Tom; Collins, Reuben
    Date:2012-08
    Although global energy demands are satisfied by fossil fuels, environmental sustainability is not possible. Due to a need for clean, renewable energy resources, we explored using inorganic photovoltaics as a primary resources ...
  • Synthesis of earth-abundant and nontoxic nanomaterials for sustainable energy: colloidal 3C-SiC quantum dots through a room temperature bottom-up method 

    Contributor:Davidson, Malcolm; Cloud,Jaqueline E.; Yang, Yongan
    Date:2012-08
    Motives for Silicon Carbide Quantum Dots: Enhanced intensity and chromatic quality as LED's; High intensity emission and low toxicity as biomarker candidates; Size dependent band gap; Applications in photo-electrolysis of ...
  • Catalyst-free 'click chemistry' of zinc oxide surfaces 

    Contributor:Evans, Charlotte; Brenner, Thomas; Chen, Gang; Collins, Reuben; Furtak, Thomas
    Date:2012-08
    Click chemistry' describes reactions that can modify the surface functionality of a material simply and quickly by joining small molecules together. In this research, a five step process was developed involving the surface ...
  • Synthesis of phase pure tungsten carbide for high temperature H2 membranes 

    Contributor:Brennan, Karl; Parks, Sterling; Ostwal, Mayur; Way, Douglas; Wolden, Colin
    Date:2012-08
    The Pt.-like catalytic behavior of transition metal carbides has been recognized for several decades. However, their potential as robust, highly selective membranes for the steam reforming of methane is only now being ...
  • Atomic-scale characterization of CdTe PV through atom probe tomography 

    Contributor:Boxer, Kevin S.; Gorman, Brian; Barnes, Teresa
    Date:2012-08
    CdTe solar cell technology uses a thin film photovoltaic device, which has become increasingly cost competitive, with the potential to reduce the use of fossil fuels with a favorable balance of cost and efficiency. Atom ...

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