Advanced Photovoltaics

Ohio State Advanced Photovoltaics Group

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sun-photo-web The “Ohio State Advanced Photovoltaics Group” consists of collaborative faculty members performing research in virtually all areas of photovoltaics technology and basic science.  With backgrounds that span disciplines including Electrical Engineering, Chemistry, Materials Science, Mechanical and Aerospace Engineering and Physics, this group is engaged in both exploratory and near-term solar photovoltaics research from spectrum-optimized approaches based on metamorphic III-V concepts, to hybrid organics and  polymers, dye-sensitized approaches and application of tailored molecular design. The group is committed to interdisciplinary collaboration to explore basic science leading to translational advances in photovoltaics technology. The group is a core component of the state-funded, $18.6 million Wright Center for Photovoltaics Innovation and Commercialization (PVIC), which enables collaboration with the solar industry at both large-scale and start-up levels.

Recent Highlights

  • international-space-station-webFirst GaInP/GaAs/SiGe cells for space power and terrestrial concentrators
  • New metalloorganic polymer shown to enhance solar photon harvesting
  • First Zn2Sn04-based dye-sensitized solar cells
  • GaAs/SiGe cells tested on the International Space Station
  • High efficiency P3HT:PCBM OPVs with oxidized Ag nanoparticles
  • Created controlled oxide nanostructures for hybrid PV
  • Correlated nanoscale interface diffusion and thin film CIGS cell performance
  • First high performance GaAsP/Si solar cells by defect engineering

Selected Photovoltaics Facilities

  • working-at-computer-webIII-V MOCVD system for solar cell R&D
  • III-V MBE systems for solar cell R&D
  • Time resolved photoluminescence and fast spectroscopy labs
  • High resolution x-ray diffraction
  • Electronic transport characterization
  • Electron microscopy and related methods
  • Complete cell fabrication process line from materials to prototype assembly
  • Light and dark I-V testing
  • Deep level spectroscopy laboratories
  • Close spectrum matched AM0 and AM1.5 solar simulator
  • Spectral response testing
  • Rooftop testbed

Wright Center for Photovoltaics Innovation and Commercialization (PVIC)

PVIC was established in early 2007 through an $18.6 million award from the Ohio Department of Development, along with matching contributions of $30 million from universities, federal agencies, and industrial collaborators. PVIC is a scientific partnership of the University of Toledo, Bowling Green State University, and The Ohio State University. PVIC’s goal is to accelerate the photovoltaic (PV) industry in Ohio by reducing solar costs, improving technologies, and transferring these new techniques from the laboratory to the production line. IMR Associate Director Dr. Robert J. Davis serves as the Principal Investigator of the OSU PVIC site. For more information, visit the website of the Wright Center for Photovoltaics Innovation and Commercialization (PVIC):

Ohio State Advanced Photovoltaics Researchers

  • Paul Berger, Electrical & Computer Engineering,
    Advancing organic photovoltaic materials, processing, devices and hermetic sealing; plasmonics to extend spectral harvesting and the incorporation of new materials for tandem cells
  • Leonard Brillson, Electrical & Computer Engineering,
    CIGS heterostructures for terrestrial and space photovoltaics; nanoscale electronic, chemical, and structural characterization and correlation with full device solar cell performance metrics
  • John Carlin, Institute for Materials Research,
    III-V multi-junctions; heterogeneous integration and metamorphic designs; MOCVD growth and processing; material and device metrology
  • Malcolm Chisholm, Chemistry,
    Design and synthesis of new metalloorganic polymeric materials for photon harvesting to improve polymer-based solar cell efficiency
  • Robert J. Davis, Institute for Materials Research and Nanotech West Laboratory,
    III-V and silicon device fabrication for photovoltaics, electronic and optical materials, advanced fabrication, metrology
  • Arthur Epstein, Physics,
    Synthesis and properties of organic compounds for photovoltaic applications
  • Terry Gustafson, Chemistry,
    Optical characterization of photovoltaic materials
  • Joseph P. Heremans, Mechanical and Aerospace Engineering,
    High-efficiency  bulk thermoelectric semiconductors for direct solar heat to electrical power conversion; resonant acceptors and donors; thermal conductivity minimization by anharmonic phonon scattering
  • Roberto C. Myers, Materials Science & Engineering,
    Molecular beam epitaxy growth of III-Nitride hetero-and nanostructures for photovoltaics; UV-Vis-NIR optical spectroscopy and recombination dynamics in solar cell materials
  • Nitin Padture, Materials Science & Engineering,
    Nanostructured oxides in the form of nanocrystals, nanotubes, nanowires, and thin films, for low-cost photovoltaics
  • Siddharth Rajan, Electrical & Computer Engineering,
    III-Nitride based photovoltaics, integration of III-Nitrides on Si substrates, III-N/III-As multijunction photovoltaics
  • Steven A. Ringel, Electrical & Computer Engineering and Institute for Materials Research,
    III-V compound photovoltaics, terrestrial and aerospace applications, III-V/Si and heterogeneous integration; metamorphic multijunctions; defect  engineering; radiation effects; characterization and simulation
  • Yiying Wu, Chemistry,
    Dye-sensitized solar cells; synthesis of new oxide nanomaterials; photoelectrochemistry of complex oxides