Workshop Summaries
Radiation Damage Modeling Tutorial
Tuesday, September 25, 2007
7:30 Continental Breakfast (OAI Lobby)
8:00 – 9:00 Registration (OAI Lobby)
9:00 – 9:15 Welcome and Opening Remarks
Session I
Program Overviews and Technology Development Efforts
Session Chair: Michael F. Piszczor
9:15...... Crew Exploration Vehicle (CEV) Power System
(S. Johnson/NASA Glenn Research Center)
9:30...... NASA Power Technology Development in Support of Lunar Exploration Activities
(J. Nainiger/NASA Glenn Research Center)
9:45...... AFRL Space Power Generation Development Program: Current Efforts and Future Expectations
(P. Hausgen, J. Merril/Air Force Research Lab)
10:00 ... Terrestrial Photovoltaic Technology Development and Programs
(M. Wanlass/National Renewable Energy Laboratory)
10:15.... Status of U.S. National Space Photovoltaic Technology Projects – a Perspective from the SMC Chief Engineer’s Office
(T. Newbauer/U.S. Air Force, SMC/EA; B. Reed/Independent Consultant)
10:30 – 10:45 Break
Session II
Multi-junction Solar Cell Technology Development and Manufacturing
Session Chair: Eric Clark
10:45.... Emcore Photovoltaics Solar Cell Technology Roadmap
(N. Fatemi, P. Sharps, B. Clevenger/Emcore Photovoltaics)
11:00 30% Efficient Triple Junction Space Solar Cells
(C. Fetzer, K. Edmondson, M. Lau, J. Hoskin, S. Kemthong, R. Bardfield, B. Jun,
K. Rouhani, S. Sharma, R. King, M. Gillanders, N. Karram/Spectrolab)
11:15 Highly Reliable Solar Panel Manufacturing and Welding at Emcore Photovoltaics
(B. Clevenger, N. Fatemi, P. Sharps/Emcore Photovoltaics)
11:30 Multijunction Solar Panel Cost Reduction
(T. Cavicchi, R. S. Bardfield, M. L. Breen, J. Hanley, B. Stone, S. Bunyan,
J. Kukulka/Spectrolab)
11:45 – 1:00 Lunch
Session III
Photovoltaics for Space Science Missions
Session Chair: Roshanak Hakimzadeh
1:00 Multijunction Solar Cells Optimized for the Mars Spectrum
(K. Edmondson, C. Fetzer/Spectrolab; P. Stella, N. Mardesich, R. Mueller/JPL;
N. Karam/Spectrolab)
1:15 Photovoltaic Technology for NASA Deep Space Missions
(M. Piszczor, S. Benson/NASA GRC)
1:30 Solar Array Dust Removal System (SADRS) for Long Life Surface Missions
(C. Hare, D. Eacret, B. Spence, S. White/ATK Space; N. Mardesich, M. Sinha,
S. Dawson/JPL)
1:45 Dust on Mars: Three Years of Observations from the Mars Exploration Rovers (G. Landis/NASA GRC)
Session IV
Testing and Measurement of Photovoltaic Devices
Session Chair: David B. Snyder
2:00 Low Intensity and Low Temperature Performance Measurements of State-of-the-Art
Multi-junction Solar Cells
(D. Scheiman/Essential Research; D. Snyder/NASA GRC)
2:15 Thin-Film Photovoltaic Space Environmental Testing Review
(T. Sahlstrom/Schafer Corporation)
2:30 High Altitude Aircraft Solar Cell Calibration: 2007 Season
(D. Snyder/NASA GRC; D. Scheiman/Essential Research; K. Blankenship,
J. Demers/NASA GRC)
2:45 – 3:00 Workshop Instructions
3:00 – 3:15 Break
3:15 – 5:00 Tuesday Workshops (Two concurrent sessions)
Workshop 1:
“Photovoltaic Technology and Applications for NASA Science Missions”
Workshop Co-Chairs: Roshanak Hakimzadeh (NASA GRC), and Geoffrey Landis (NASA GRC)
Workshop 2:
“Solar Cell Measurements and the Need for Calibrated Standards”
Workshop Co-Chairs: Michael Piszczor (NASA GRC), and Jennifer Granata (The Aerospace Corp.)
5:30 Picnic (NASA Glenn Picnic Grounds)
Wednesday, September 26, 2007
7:30 Continental Breakfast (OAI Lobby)
Session V
Photovoltaic Material Research and Novel Device Structures
Session Chair: Sheila Bailey
8:30 Radiation Response and Induced Traps in InGaP/GaAs Multi-junction Materials and Cells Grown on Metamorphic Si-based Substrates
(S. Ringel, M. Gonzalez/OSU; R. Walters, S. Messenger, J. Warner, J. Lorentzen/NRL)
8:45...... III-V Photovoltaics on Thin Polycrystalline Germanium
(J. McNatt, D. Wilt, A. Pal/NASA GRC; R. Raffaelle, S. Hubbard/RIT; W. Mauer/OAI; L. Fritzmeyer/Wakonda)
9:00 Recent Progress in Developing Ultra-Thin, Monolithic GaInP/GaAs/GaInAs Tandem Solar Cells
(M. Wanlass, J. Geisz, S. Kurtz, J. Ward, A. Duda, D. Friedman, J. Olson,
W. McMahon, T. Moriarty/NREL; D. Scheiman/Essential Research)
9:15...... Development of Lattice Mismatched InAlGaAs for Incorporation into Triple-Junction Solar Cell
(D. Forbes, D. Scheiman, S. Sinharoy, V. Weizer, T. Valko, N. Bartos, N. Homann,
C. W. King/Essential Research)
9:30...... InN Quantum Dot Structures: Application to Photovoltaics
(O. Laboutin, R. Wesler/Kopin Corporation; L. Guido/Virginia Tech; A. Sood/Magnolia Optical; S. Bailey/NASA GRC)
9:45...... Strain Balanced Quantum Dot Solar Cell Development
(S. Hubbard, C. Bailey, C. Cress, R. Raffaelle/RIT; D. Wilt, S. Bailey/NASA GRC)
10:00 – 10:15 Break
10:15.... Radiation and Thermal Behavior of III-V Quantum Dot Space Solar Cells
(R. Raffaelle, C. Cress, S. Hubbard/RIT; D. Wilt, S. Bailey/NASA GRC)
10:30.... Direct Thin-Film Polymerization Approach for Polymer Solar Cells
(C-Y. Lee, M. Jin/University of Texas at Arlington)
Session VI
Environmental Interactions on Solar Arrays
Session Chairs: Boris Vayner
10:45 Degradation of Solar Cell Electric Performance Due to Electrostatic Discharge
(T. Okumura, A. Kroier, H. Masui, K. Toyoda, M. Cho/Kyushu Institute of Technology; M. Imaizumi/JAXA)
11:00 Solar Cells Degradation Under Simulated Space Environment: Effects of Electrostatic Discharges Occurrence
(V. Inguimbert, J. Mateo-Velez, D. Sarrail, F. Boulay/ONERA; D. Payan/CNES)
11:15 Electrostatic Discharges on Low Temperature Solar Panels in Simulated LEO Environment
(H. Mashidori, M. Imaizumi, S. Kawakita, K. Nitta, M. Takahashi/JAXA)
11:30.... Highly Transparent Carbon Nanotube Films for ESD Protection
(D. Britz, E. Turevskaya, P. Glatkowski/Eikos Inc.)
11:45 – 12:00 Conference Photo
12:00 – 1:15 Lunch (Presentation of Irving Weinberg Award)
1:15...... NASA-STD-4005 and NASA-HDBK-4006, LEO Spacecraft Solar Array Charging Design Standards
(D. Ferguson/MSFC)
1:30 Current Status of ISO Standardization Efforts of Solar Panel ESD Test Methods
(M. Cho/Kyushu Institute of Technology)
Session VII
Space Flight Experiments
Session Chair: Geoffrey A. Landis
1:45 Operational Details of the Forward Technology Solar Cell Experiment
(P. Jenkins/NRL, J. Flatico, B. Bruninga, R. Walters, M. Krasowski, L. Greer,
G. Pippin)
2:00 Solar Cell Performance on the Forward Technology Solar Cell Experiment
(P. Jenkins, R. Walters, J. C. Garner, S. Lam, J. Vazquez, W. Braun, R. Ruth,
J. Warner/NRL; L. Greer, M. Krasowski, D. Wilt, M. Piszczor/NASA GRC;
J. Flatico/OAI; CDR R. Bruninga, CDR D. Myre/U.S. Naval Academy; J. Lorentzen,
S. Messenger/SFA Inc.)
2:15 – 2:30 Workshop Instructions
2:30 – 2:45 Break
2:45 – 4:30 Wednesday Workshops (Two concurrent sessions)
Workshop 3:
“Advanced PV Devices and Novel Cell Designs”
Workshop Co-Chairs: Seth Hubbard (RIT), and Sheila Bailey (NASA GRC)
Workshop 4:
“Solar Cell and Array Testing and Qualification Standards”
Workshop Co-Chairs: Edward Gaddy (NASA GSFC), and Simone Missirian (The Aerospace Corp.)
6:00 – 9:30 Conference Banquet: Goodtime III
(Board at Inner Harbor, Downtown Cleveland – Boarding time 6:30pm)
Thursday, September 27, 2007
7:30 Continental Breakfast (OAI Lobby)
Session VII (continued…)
Space Flight Experiments
Session Chair: Geoffrey A. Landis
8:30 Pico Satellite Solar Cell Testbed (PSSC Testbed) Design
(E. Simburger, S. Liu, J. Halpine, D. Hinkley, D. Rumsey, J. Swenson, J. Granata/The Aerospace Corp; H. Yoo/AFRL)
8:45 The TACSAT Solar Cell Experiment
(P. Jenkins/NRL, M. Krasowski, N. Prokop, M. Eskenazi, R. Skalitzky, K. Crist,
T. Duffey, B. Davis, Z. Forgione, S. LaCava, R. Walters, S. Koss )
9:00 – 10:00 Workshop Summaries
10:00 – 10:15 Break
Session VIII
Solar Array and Blanket Technology
Session Chair: David Scheiman
10:15 Critical Materials Testing for Thermophotovoltaic (TPV) Technology Development
(E. Clark, D. Wolford, A. Pal, D. Wilt, D. Chubb/NASA GRC; J. Colon/Sierra Lobo;
D. Scheiman/Essential Research; O. Vargas/California Polytechnic State University)
10:30 AFRL Development Efforts in Coverglasses and Coatings
(J. Merrill, J. Guerrero/AFRL)
10:45 Space Radiation Environmental Testing on POSS Coated Solar Cell Coverglass
(S. Liu, J. Granata, M. Meshishnek, M. Ciofalo, E. Simburger/The Aerospace Corp.)
11:00 Nanostructured Metal Rubber™ Materials for PV Interconnects and ESD Protection
(A. Hill, M. Bortner, B. Davis, H. Ruan, R. Claus, J. Lalli/Nanosonic, Inc.)
11:15 Laminated Solar Panel Modules with Integral Cover-Shield and CTE-Stress Control Substrate
(T. Stern/DR Technologies, Inc.)
11:30 UltraFlex Solar Array Technology for CEV-like Applications
(B. Spence, S. White, J. Manson, S. Robinson, T. Trautt, J. Schmidt, M. Douglas, R. Taketa, D. Eacret/ATK Space Systems)
11:45 Stretched Lens Array (SLA) for Solar Electric Propulsion (SEP)
(M. O’Neill/Entech, Inc; H. Brandhorst/Auburn University; M. Piszczor/NASA GRC)
12:00 Stretched Lens Array (SLA), a Reliable Solar Array for Any Orbit
(J. Rodiek, H. Brandhorst/Auburn University; M. O’Neill/Entech, Inc.)
12:15 Closing Remarks, Conference Ends
For more information, please contact:
Barb Madej
(216) 433-2305