Publications
293 results found
Grunbaum E, Barkay Z, Shapira Y, et al., 2009, Secondary Electron Emission Contrast of Quantum Wells in GaAs p-i-n junctions, MICROSCOPY AND MICROANALYSIS, Vol: 15, Pages: 125-129, ISSN: 1431-9276
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- Citations: 3
Auckett JE, Chen YY, Khoury T, et al., 2009, Efficient up-conversion by triplet-triplet annihilation, ISSN: 1742-6588
Following experimental determination of kinetic parameters governing the up-conversion of light by triplet-triplet annihilation (TTA-UC), we develop a kinetic model to determine the conditions required for efficient up-conversion. We discuss the assumptions underpinning statistical arguments for an upper limit to TTA-UC and argue that no such limit exists. © 2009 IOP Publishing Ltd.
Ekins-Daukes NJ, Adams J, Ballard IM, et al., 2009, Physics of Quantum Well Solar Cells, Conference on Physics and Simulation of Optoelectronic Devices XVII, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, ISSN: 0277-786X
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- Citations: 3
Adams JGJ, Roberts JS, Hill G, et al., 2009, DIRECTIONAL EMISSION IN STRAIN-BALANCED QUANTUM WELL SOLAR CELLS, 34th IEEE Photovoltaic Specialists Conference, Publisher: IEEE, Pages: 2120-+, ISSN: 0160-8371
Danilchenko B, Budnyk A, Shpinar L, et al., 2008, 1 MeV electron irradiation influence on GaAs solar cell performance, SOLAR ENERGY MATERIALS AND SOLAR CELLS, Vol: 92, Pages: 1336-1340, ISSN: 0927-0248
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- Citations: 33
Barnham KWJ, Adams JGJ, Ginige R, et al., 2008, Single-Junction Concentrator Quantum Well Solar Cells Enhanced By Photon Recycling, 23rd European Photovoltaic Solar Energy Conference
Barnham KWJ, Fuhrer MF, Connolly JP, et al., 2008, Exciton Broadening in Quantum Well Solar Cells, 23rd European Photovoltaic Solar Energy Conference
Browne B, Ekins-Daukes N, Ioannides A, et al., 2008, Dual Multiple Quantum Well Solar Cells, 23rd European Photovoltaic Solar Energy Conference
Ekins-Daukes NJ, Schmidt TW, 2008, A molecular approach to the intermediate band solar cell: The symmetric case, APPLIED PHYSICS LETTERS, Vol: 93, ISSN: 0003-6951
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- Citations: 84
Ekins-Daukes NJ, 2008, Quantum wells in concentrator solar cells, SPIE Newsroom
Yamaguchi M, Sasaki T, Lee H-S, et al., 2008, RADIATION-RESISTANCE ANALYSIS OF GaAs AND InGaP SUB CELLS FOR InGaP/GaAs/Ge 3-JUNCTION SPACE SOLAR CELLS, 33rd IEEE Photovoltaic Specialists Conference, Publisher: IEEE, Pages: 1477-+, ISSN: 0160-8371
Ekins-Daukes NJ, 2008, EVALUATION OF InGaP/In<sub>0.01</sub>GaAs/Ge CONCENTRATOR SYSTEM ANNUAL ENERGY YIELD AND COMPARISON TO ESTIMATES BASED ON REFERENCE SPECTRA., 33rd IEEE Photovoltaic Specialists Conference, Publisher: IEEE, Pages: 383-386, ISSN: 0160-8371
Lee H-S, Yamaguchi M, Ekins-Daukes NJ, et al., 2007, Radiation resistance of wide band gap <i>n</i>+/<i>p</i> AlInGaP solar cell for high-efficient multijunction space solar cells, JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, Vol: 46, Pages: L645-L647, ISSN: 0021-4922
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- Citations: 3
Araki K, Kondo M, Uozumi H, et al., 2006, Packaging III-V tandem solar cells for practical terrestrial applications achievable to 27% of module efficiency by conventional machine assemble technology, 14th International Photovoltaic Science and Engineering Conference, Publisher: ELSEVIER SCIENCE BV, Pages: 3320-3326, ISSN: 0927-0248
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- Citations: 28
Araki K, Kondo M, Uozumi H, et al., 2006, Achievement of 27% efficient and 200 Wp concentrator module and the technological roadmap toward realization of more than 31% efficient modules, 14th International Photovoltaic Science and Engineering Conference, Publisher: ELSEVIER SCIENCE BV, Pages: 3312-3319, ISSN: 0927-0248
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- Citations: 10
Sasaki T, Arafune K, Lee HS, et al., 2006, Effects of thermal cycle annealing on reduction of defect density in lattice-mismatched InGaAs solar cells, 23rd International Conference on Defects in Semiconductors, Publisher: ELSEVIER SCIENCE BV, Pages: 626-629, ISSN: 0921-4526
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- Citations: 20
Lee HS, Yamaguchi M, Ekins-Daukes NJ, et al., 2006, Effects of a low-energy proton irradiation on n<SUP>+</SUP>/p-AlInGaP solar cells, 23rd International Conference on Defects in Semiconductors, Publisher: ELSEVIER SCIENCE BV, Pages: 564-567, ISSN: 0921-4526
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- Citations: 2
Khan A, Yamaguchi M, Lee HS, et al., 2006, DLTS: A promising technique for the identification of the recombination and compensator centers in solar cell materials, Pages: 1763-1768
Deep level transient spectroscopy (DLTS) is the best technique for monitoring and characterizing deep levels introduced intentionally or occurring naturally in semiconductor materials and complete devices. DLTS has the advantage over all the techniques used to-date in that it fulfils almost all the requirements for a complete characterization of a deep centre and their correlation with the device properties. In particular the method can determine the activation energy of a deep level, its capture cross-section and concentration and can distinguish between traps and recombination centers. In this invited paper we provide an overview of the extensive R&D work that has been carrier out by the authors on the identification of the recombination and compensator centers in Si and III-V compound materials for space solar cells. In addition, we present an overview of key problems that remain in the understanding of the role of the point defects and their correlation with the solar cell parameters. © 2006 IEEE.
Ekins-Daukes NJ, Guenette M, 2006, Photovoltaic device operation at low temperature, 4th World Conference on Photovoltaic Energy Conversion, Publisher: IEEE, Pages: 146-149, ISSN: 2159-2330
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- Citations: 1
Lee H-S, Yamaguchi M, Ekins-Daukes NJ, et al., 2006, Minority-carrier injection-enhanced recovery of radiationinduced defects in <i>n</i><SUP>+</SUP><i>p</i> alingap solar cells, 4th World Conference on Photovoltaic Energy Conversion, Publisher: IEEE, Pages: 1826-+, ISSN: 2159-2330
Barnham, K W J, Ballard I, et al., 2006, Quantum well solar cells and quantum dot concentrators, Nanostructured Materials for Solar Energy Conversion, Pages: 517-538, ISBN: 9780444528445
Sasaki T, Arafunel K, Lee HS, et al., 2006, Electrical properties and structural defects in lattice mismatched InGaAs solar cells, 4th World Conference on Photovoltaic Energy Conversion, Publisher: IEEE, Pages: 795-798, ISSN: 2159-2330
Khan A, Yamaguchi M, Lee H-S, et al., 2006, DLTS: A promising technique for the identification of the recombination and compensator centers in solar cell materials, 4th World Conference on Photovoltaic Energy Conversion, Publisher: IEEE, Pages: 1763-+, ISSN: 2159-2330
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- Citations: 1
Yamaguchi M, Ekins-Daukes NJ, Lee H-S, et al., 2006, Analysis for radiation-resistance of InGaP and GaAs sub-cells for InGaP/GaAs/Ge 3-junction solar cells, 4th World Conference on Photovoltaic Energy Conversion, Publisher: IEEE, Pages: 1789-+, ISSN: 2159-2330
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- Citations: 8
Lee HS, Yamaguchi M, Ekins-Daukes NJ, et al., 2005, Deep-level defects introduced by 1 MeV electron radiation in AlInGaP for multijunction space solar cells, JOURNAL OF APPLIED PHYSICS, Vol: 98, ISSN: 0021-8979
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- Citations: 12
Adachi M, Khan A, Ando K, et al., 2005, Electrical and optical properties of radiation-induced dominant recombination center in In<i><sub>x</sub></i>Ga<sub>1-<i>x</i></sub>P space solar cells -: art. no. 155320, PHYSICAL REVIEW B, Vol: 72, ISSN: 1098-0121
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- Citations: 5
Araki K, Uozumi H, Egami T, et al., 2005, Development of concentrator modules with dome-shaped fresnel lenses and triple-junction concentrator cells, PROGRESS IN PHOTOVOLTAICS, Vol: 13, Pages: 513-527, ISSN: 1062-7995
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- Citations: 46
Bushnell DB, Tibbits TND, Barnham KWJ, et al., 2005, Effect of well number on the performance of quantum-well solar cells, JOURNAL OF APPLIED PHYSICS, Vol: 97, ISSN: 0021-8979
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- Citations: 63
Johnson DC, Ballard I, Barnham KWJ, et al., 2005, Advances in Bragg stack quantum well solar cells, Solar Energy Materials and Solar Cells, Vol: 87, Pages: 169-179, ISSN: 0927-0248
Lynch MC, Ballard IM, Bushnell DB, et al., 2005, Spectral response and I-V characteristics of large well number multi quantum well solar cells, International Conference on Physics, Chemistry and Engineering of Solar Cells, Publisher: SPRINGER, Pages: 1445-1449, ISSN: 0022-2461
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- Citations: 37
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