Search Results - "Sharps, Paul"

Hyperbranched polyhedral oligomeric silsesquioxane (HB-POSS) nanomaterials for high transmission and radiation-resistant space and solar applications by Xu, Nita, Stark, Edmund J., Carver, Peter I., Sharps, Paul, Hu, Jin, Hartmann-Thompson, Claire

“…ABSTRACT Hyperbranched polycarbosiloxanes and polysiloxanes with octafunctional polyhedral oligomeric silsesquioxane (POSS) branchpoints and curable…”
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Thermal design for high-temperature high-irradiance testing of space solar panel components by Blumenfeld, Philip, Boca, Andreea, Sharps, Paul, Russell, Dennis, Ogawa, Hiroyuki, Toyota, Hiroyuki

“…Emcore has been performing High Intensity High Temperature (HIHT) tests on covered, interconnected cell (CIC) assemblies. End-of-life performance of spacecraft…”
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Performance and radiation resistance of quantum dot multi-junction solar cells by Richards, B. C., Yong Lin, Patel, Pravin, Chumney, Daniel, Sharps, Paul R., Kerestes, Chris, Forbes, David, Driscoll, Kristina, Podell, Adam, Hubbard, Seth

“…Lattice matched, triple-junction solar cells with strain-compensated quantum dots (QDs) in the GaAs middle cell were grown by Metal-Organic Chemical Vapor…”
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Fabrication and analysis of multijunction solar cells with a quantum dot (In)GaAs junction by Kerestes, Christopher, Polly, Stephen, Forbes, David, Bailey, Christopher, Podell, Adam, Spann, John, Patel, Pravin, Richards, Benjamin, Sharps, Paul, Hubbard, Seth

“…ABSTRACT InAs quantum dots (QDs) have been incorporated to bandgap engineer the (In)GaAs junction of (In)GaAs/Ge double‐junction solar cells and…”
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(Al)GaInP/GaAs Tandem Solar Cells for Power Conversion at Elevated Temperature and High Concentration by Perl, Emmett E., Simon, John, Friedman, Daniel J., Jain, Nikhil, Sharps, Paul, McPheeters, Claiborne, Yukun Sun, Lee, Minjoo L., Steiner, Myles A.

“…We demonstrate dual-junction (Al)GaInP/GaAs solar cells designed for operation at 400 °C and 1000x concentration. For the top junction, we compare (Al)GaInP…”
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Line-Focus and Point-Focus Space Photovoltaic Concentrators Using Robust Fresnel Lenses, 4-Junction Cells, & Graphene Radiators by O'Neill, Mark, McDanal, A.J., Piszczor, Michael, Myers, Matt, Sharps, Paul, McPheeters, Claiborne, Steinfeldt, Jeff

“…At the past two PVSCs, our team presented recent advances in our line-focus space photovoltaic concentrator technology. In the past year, under Phase II and…”
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Strain Effects on Radiation Tolerance of Triple-Junction Solar Cells With InAs Quantum Dots in the GaAs Junction by Kerestes, Christopher, Cress, Cory D., Richards, Benjamin C., Forbes, David V., Yong Lin, Bittner, Zac, Polly, Stephen J., Sharps, Paul, Hubbard, Seth M.

“…A comparison of quantum dot (QD) triple-junction solar cells (TJSCs) with the QD superlattice under tensile strain are compared with those under compressive…”
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Advanced-Architecture High-Efficiency Solar Cells for Low Irradiance Low Temperature (LILT) Applications by Boca, Andreea, Grandidier, Jonathan, McPheeters, Claiborne, Sharps, Paul, Chiu, Philip, Xing-Quan Liu, Ermer, James

“…The scientific community and NASA view the outer solar system as a high-priority destination for space exploration and research. The cost and feasibility of…”
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Terrestrial concentrator four-junction inverted metamorphic solar cells with efficiency > 45 by Miller, Nate, Patel, Pravin, Struempel, Claudia, Kerestes, Chris, Aiken, Dan, Sharps, Paul

“…Four-junction inverted metamorphic solar cells for terrestrial concentrator applications have been grown, fabricated, and tested by EMCORE. Internal test…”
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Thermal stability of GaAs solar cells for high temperature applications by Yukun Sun, Faucher, Joseph, Daehwan Jung, Vaisman, Michelle, McPheeters, Clay, Sharps, Paul, Perl, Emmett, Simon, John, Steiner, Myles, Friedman, Daniel, Minjoo Larry Lee

“…The characteristics of GaAs solar cells after 200 hours of annealing at 400-450 °C are reported. The room-temperature reflectivity and external quantum…”
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Space photovoltaic concentrator using robust fresnel lenses, 4-junction cells, graphene radiators, and articulating receivers by O'Neill, Mark, McDanal, A. J., Brandhorst, Henry, Spence, Brian, Iqbal, Shawn, Sharps, Paul, McPheeters, Clay, Steinfeldt, Jeff, Piszczor, Michael, Myers, Matt

“…At the 42nd PVSC, our team presented recent advances in our space photovoltaic concentrator technology. These advances include more robust Fresnel lenses for…”
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Manufacturing improvement of IMM solar cells and flex string arrays on the AFRL Mantech program by Cho, Benjamin, Derkacs, Daniel, Hazlett, Kip, Kerestes, Christopher, Mackos, Chelsea, Miller, Nathaniel, Pantha, Bed, Patel, Pravin, Sharps, Paul, Shaw, Boyd, Whipple, Steve, Lei Yang

“…The manufacturing improvement of IMM solar cells and flex string arrays (FSAs) is a focus of the AFRL-funded IMM Mantech program. Significant manufacturability…”
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Full wing qualification testing and incremental program update for the solar probe plus array by Gerger, Andrew, Stall, Richard, Schurman, Matthew, Sharps, Paul, Sulyma, Christopher, De Zetter, Karen, Johnson, Paul, Mitchell, Richard, Guevara, Roland, Crist, Kevin, Cisneros, Larry, Sarver, Charles

“…As the Solar Probe Plus (SPP) program moves into the flight hardware build phase, the final testing of the qualification panel has been completed. The rigorous…”
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Development of a four sub-cell inverted metamorphic multi-junction (IMM) highly efficient AM0 solar cell by Cornfeld, Arthur B, Aiken, Daniel, Cho, Benjamin, Ley, A Vance, Sharps, Paul, Stan, Mark, Varghese, Tansen

“…We have identified the IMM structure as the best vehicle to achieve increased AM0 solar cell efficiency beyond the conventional 3-junction lattice matched…”
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High efficiency MJ solar cells and TPV using SiGeSn materials by Conley, B. R., Naseem, H., Sun, G., Sharps, P., Shui-Qing Yu

“…We report on the design and efficiency of using the new material system GeSn and SiGeSn for thermophotovoltaic (TPV) and multi-junction (MJ) solar cells. With…”
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Analysis of short- and long-term performance goals for III/V on active Si concentrator solar cells by Haas, Alexander, Sharps, Paul, Aiken, Daniel, Grassman, Tyler, Carlin, John A., Ringel, Steven

“…A primary goal of terrestrial photovoltaics is to reach grid cost parity. This is a difficult task, largely due to the seemingly inverse relationship between…”
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UV-exposure experiments for the Solar Probe Plus array by Boca, Andreea, Blumenfeld, Philip, Crist, Kevin, De Zetter, Karen, Richards, Benjamin, Sarver, Charles, Sharps, Paul, Stall, Richard, Stan, Mark

“…NASA's Solar Probe Plus (SPP) will travel closer to the Sun than any previous spacecraft. During its 7-year, 24-orbit mission, SPP will make scientific…”
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The One-per-wafer ZTJ solar cell from Emcore- confidence testing and volume manufacturing performance by Cho, B., Winter, M., Aeby, I., Patel, P., Fatemi, N., Sharps, P.

“…The Emcore One-per-wafer ZTJ solar cell, with a cell area of approximately 60cm 2 , is based on the 29.5% efficiency ZTJ triple-junction structure. The…”
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Investigation of quantum dot enhanced triple junction solar cells by Kerestes, C., Polly, S., Forbes, D., Bailey, C., Hubbard, S., Spann, J., Patel, P., Sharps, P.

“…InAs quantum dots have been incorporated into the middle junction of an InGaP/(In)GaAs/Ge triple junction solar cell (TJSC) on four inch wafers, in aims of…”
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Strain effects on radiation tolerance of quantum dot solar cells by Kerestes, C., Forbes, D. V., Bittner, Z., Polly, S., Yong Lin, Richards, B., Sharps, P., Hubbard, S.

“…A comparison of quantum dot (QD) triple junction solar cells (TJSCs) under tensile strain are compared to those under compressive strain and baseline devices…”
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