Search Results - "Zimmermann, Claus G."

Difference in space‐charge recombination of proton and electron irradiated GaAs solar cells by Pellegrino, Carmine, Gagliardi, Alessio, Zimmermann, Claus G.

“…GaAs component cells, representative of the middle cell in Ga0.5In0.5P/GaAs/Ge triple junction solar cells, were irradiated with protons and electrons of…”
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Determination of subcell I-V characteristics of multijunction solar cells using optical coupling by Nesswetter, Helmut, Jost, Norman R., Lugli, Paolo, Bett, Andreas W., Zimmermann, Claus G.

“…A method for the determination of the subcell I–V characteristics of multijunction solar cells in the presence of optical coupling is presented and applied to…”
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Thermal runaway in multijunction solar cells by Zimmermann, Claus G.

“…A small fraction of GaInP2/GaAs/Ge triple junction solar cells exposed to the 6× concentrated air mass zero spectrum at 523 K for 5 min was found to be…”
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Impact of Proton and Electron Irradiation-Induced Defects on the Dark Current of GaAs Solar Cells by Pellegrino, Carmine, Gagliardi, Alessio, Zimmermann, Claus G.

“…The same amount of non-ionizing energy is deposited in GaAs solar cells through 1 MeV proton and electron radiation at specific fluence values. The defects…”
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Voltage‐dependent photocurrent in irradiated GaAs solar cells by Salzberger, Manuel, Rutzinger, Martin, Nömayr, Christel, Lugli, Paolo, Zimmermann, Claus G.

“…GaAs single junction cells, representative of the middle cell in triple junction Ga 0.5In 0.5P/GaAs/Ge cells, were irradiated with various fluences of 1‐ and…”
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Admittance Spectroscopy on Irradiated GaAs Component Cells: Defect Analysis and Characterization by Pellegrino, Carmine, Gagliardi, Alessio, Zimmermann, Claus G.

“…Temperature-dependent admittance spectroscopy is shown to be a valuable method to perform defect characterization in standardized 2 cm × 2 cm component cells,…”
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Degradation fitting of irradiated solar cells using variable threshold energy for atomic displacement by Salzberger, Manuel, Nömayr, Christel, Lugli, Paolo, Messenger, Scott R., Zimmermann, Claus G.

“…Characteristic degradation curves for proton and electron induced degradation of triple junction (3J) and isotype Ga0.5In0.5P/GaAs/Ge solar cells were…”
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Performance Mapping of Multijunction Solar Cells Based on Electroluminescence by Zimmermann, C.G.

“…Electroluminescence intensity maps of all three subcells of space grade III-V multijunction cells were obtained with the help of dedicated imaging sensors at a…”
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Thermal runaway in multijunction solar cells by Zimmermann, Claus G.

“…Certain GaInP 2 /GaInAs/Ge triple junction cells, when exposed to temperatures of 523 K under the 6x concentrated AM0 spectrum, developed a region of local…”
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Subcell Characterization in Multijunction Solar Cells Using Pulsed Light by Rutzinger, Martin, Salzberger, Manuel, Nesswetter, Helmut, Lackner, David, Bett, Andreas W., Lugli, Paolo, Zimmermann, Claus G.

“…The photocurrent versus open-circuit voltage characteristic of individual subcells in a multijunction solar cell can be measured by illuminating the subcell…”
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Electroluminescence imaging of III-V multijunction solar cells by Zimmermann, Claus G

“…The potential of electroluminescence imaging is demonstrated for large area III-V triple junction solar cells. The cells are modeled as two dimensional diode…”
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Series resistance mapping of III-V multijunction solar cells based on luminescence imaging by Nesswetter, Helmut, Dyck, Wilhelm, Lugli, Paolo, Bett, Andreas W., Zimmermann, Claus G.

“…A method for spatially resolved series resistance measurements of Ga 0.5 In 0.5 P/Ga(In)As/Ge triple-junction solar cells based on electro- and…”
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Development and Qualification of the Eurostar Neo Solar Array by Zimmermann, Claus G., Schlerka, Friedrich, Nomayr, Christel, Muller, Rainer, Nesswetter, Helmut, Ubner, Andreas, Gruber, Marco, Grunwald, Christian

“…Airbus is currently developing the Eurostar Neo telecommunication platform, supported by ESA in the frame of the ARTES 14 program. It is capable to support…”
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Time dependent degradation of photovoltaic modules by ultraviolet light by Zimmermann, Claus G.

“…For high efficiency silicone encapsulated solar modules for concentrator photovoltaic systems or space applications, the question of performance degradation…”
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Surface modification by subsurface pressure induced diffusion by Zimmermann, Claus G.

“…Polycrystalline Ag, covered with a nm thin siloxane layer, was irradiated with ultraviolet light in vacuum at 500K. Ag particles of different aspect ratios,…”
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Electroluminescence and Photoluminescence Characterization of Multijunction Solar Cells by Nesswetter, Helmut, Lugli, Paolo, Bett, Andreas W., Zimmermann, Claus G.

“…A combined electroluminescence and photoluminescence setup for a fast, nondestructive, and high-resolution characterization of large-area lattice matched GaInP…”
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Reactive epitaxy of Co nanoparticles on (111) Si by Yeadon, Mark, Zimmermann, Claus G., Averback, Robert S., Gibson, J. Murray

“…The formation of epitaxial CoSi2 islands of nanoscopic dimensions is reported using the technique of reactive cluster deposition. Co clusters in the size range…”
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Sputter yield measurements of thin foils using scanning transmission ion microscopy by Eichhorn, Christoph, Manova, Darina, Feder, René, Wunderlich, Ralf, Nömayr, Christel, Zimmermann, Claus G., Neumann, Horst

“…Scanning transmission ion microscopy (STIM) has been applied to measure sputter yields of thin Kovar foil. The results have been found in very good agreement…”
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Modeling and parametric simulation of triple junction solar cell for space applications by Colasanti, Simone, Nesswetter, Helmut, Zimmermann, Claus G., Lugli, Paolo

“…In this paper a calibrated model of a III-V triple junction solar cell is presented. The simulations are carried out with a commercial TCAD software, and the…”
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Using variable threshold displacement energy for degradation fitting of particle irradiated multi-junction space solar cells by Salzberger, Manuel, Nomayr, Christel, Rutzinger, Martin, Lugli, Paolo, Zimmermann, Claus G.

“…The degradation of Ga 0.5 In 0.5 P/GaAs/Ge triple junction 3G28, 3G30 and isotype 3G28 Ga 0.5 In 0.5 P and GaAs cells is analysed and the characteristic…”
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