By Professor Ned Ekins-Daukes

Journal articles

Hirst LC; Ekins-Daukes NJ, 2011, 'Fundamental losses in solar cells', Progress in Photovoltaics Research and Applications, 19, pp. 286 - 293, http://dx.doi.org/10.1002/pip.1024

Cheng YY; Fückel B; Khoury T; Clady RGCR; Ekins-Daukes NJ; Crossley MJ; Schmidt TW, 2011, 'Entropically driven photochemical upconversion', Journal of Physical Chemistry A, 115, pp. 1047 - 1053, http://dx.doi.org/10.1021/jp108839g

Clady RGCR; Schmidt T; Tayebjee M; Aliberti P; Conibeer G; Konig D; Green MA; Ekins-Daukes NJ, 2011, 'Interplay between the hot phonon effect and intervalley scattering on the cooling rate of hot carrier in GaAs and InP', Progress in Photovoltaics: Research and Applications, 20, pp. 82 - 92, http://dx.doi.org/10.1002/pip.1121

Tayebjee MJY; Hirst LC; Ekins-Daukes NJ; Schmidt TW, 2010, 'The efficiency limit of solar cells with molecular absorbers: A master equation approach', Journal of Applied Physics, 108, http://dx.doi.org/10.1063/1.3517826

Cheng YY; Fückel B; Khoury T; Clady RGCR; Tayebjee MJY; Ekins-Daukes NJ; Crossley MJ; Schmidt TW, 2010, 'Kinetic analysis of photochemical upconversion by triplet-triplet annihilation: Beyond any spin statistical limit', Journal of Physical Chemistry Letters, 1, pp. 1795 - 1799, http://dx.doi.org/10.1021/jz100566u

Cheng YY; Khoury T; Clady RGCR; Tayebjee MJY; Ekins-Daukes NJ; Crossley MJ; Schmidt TW, 2010, 'On the efficiency limit of triplet-triplet annihilation for photochemical upconversion', Physical Chemistry Chemical Physics, 12, pp. 66 - 71, http://dx.doi.org/10.1039/b913243k

Farrell DJ; Ekins-Daukes NJ, 2009, 'Photovoltaic technology: Relay dye boosts efficiency', Nature Photonics, 3, pp. 373 - 374, http://dx.doi.org/10.1038/nphoton.2009.108

Grunbaum E; Barkay Z; Shapira Y; Barnham KWJ; Bushnell DB; Ekins-Daukes NJ; Mazzer M; Wilshaw P, 2009, 'Secondary electron emission contrast of quantum wells in GaAs p-i-n junctions', Microscopy and Microanalysis, 15, pp. 125 - 129, http://dx.doi.org/10.1017/S1431927609090205

Danilchenko B; Budnyk A; Shpinar L; Poplavskyy D; Zelensky SE; Barnham KWJ; Ekins-Daukes NJ, 2008, '1 MeV electron irradiation influence on GaAs solar cell performance', Solar Energy Materials and Solar Cells, 92, pp. 1336 - 1340, http://dx.doi.org/10.1016/j.solmat.2008.05.006

Ekins-Daukes NJ; Schmidt TW, 2008, 'A molecular approach to the intermediate band solar cell: The symmetric case', Applied Physics Letters, 93, http://dx.doi.org/10.1063/1.2970157

Ekins-Daukes NJ, 2008, 'Quantum wells in concentrator solar cells', SPIE Newsroom, http://dx.doi.org/10.1117/2.1200812.1399

Lee HS; Yamaguchi M; Ekins-Daukes NJ; Khan A; Takamoto T; Imaizumi M; Ohshima T; Itoh H, 2007, 'Radiation resistance of wide band gap n+/p AlInGaP solar cell for high-efficient multijunction space solar cells', Japanese Journal of Applied Physics Part 2 Letters, 46, pp. L645 - L647, http://dx.doi.org/10.1143/JJAP.46.L645

Ekins-Daukes NJ, 2007, 'Quantum well solar cells', Advances in Solar Energy, 17, pp. 45 - 73

Araki K; Kondo M; Uozumi H; Ekins-Daukes NJ; Kemmoku Y; Yamaguchi M, 2006, 'Achievement of 27% efficient and 200 Wp concentrator module and the technological roadmap toward realization of more than 31% efficient modules', Solar Energy Materials and Solar Cells, 90, pp. 3312 - 3319, http://dx.doi.org/10.1016/j.solmat.2005.09.017

Araki K; Kondo M; Uozumi H; Ekins-Daukes NJ; Egami T; Hiramatsu M; Miyazaki Y; Yamaguchi M, 2006, 'Packaging III-V tandem solar cells for practical terrestrial applications achievable to 27% of module efficiency by conventional machine assemble technology', Solar Energy Materials and Solar Cells, 90, pp. 3320 - 3326, http://dx.doi.org/10.1016/j.solmat.2005.09.014

Lee HS; Yamaguchi M; Ekins-Daukes NJ; Khan A; Takamoto T; Agui T; Kamimura K; Kaneiwa M; Imaizumi M; Ohshima T; Itoh H, 2005, 'Deep-level defects introduced by 1 MeV electron radiation in AlInGaP for multijunction space solar cells', Journal of Applied Physics, 98, http://dx.doi.org/10.1063/1.2115095

Adachi M; Khan A; Ando K; Ekins-Daukes NJ; Lee HS; Yamaguchi M, 2005, 'Electrical and optical properties of radiation-induced dominant recombination center in InxGa1-xP space solar cells', Physical Review B Condensed Matter and Materials Physics, 72, http://dx.doi.org/10.1103/PhysRevB.72.155320

Araki K; Uozumi H; Egami T; Hiramatsu M; Miyazaki Y; Kemmoku Y; Akisawa A; Ekins-Daukes NJ; Lee HS; Yamaguchi M, 2005, 'Development of concentrator modules with dome-shaped fresnel lenses and triple-junction concentrator cells', Progress in Photovoltaics Research and Applications, 13, pp. 513 - 527, http://dx.doi.org/10.1002/pip.643

Bushnell DB; Tibbits TND; Barnham KWJ; Connolly JP; Mazzer M; Ekins-Daukes NJ; Roberts JS; Hill G; Airey R, 2005, 'Effect of well number on the performance of quantum-well solar cells', Journal of Applied Physics, 97, http://dx.doi.org/10.1063/1.1946908

Yamaguchi M; Takamoto T; Araki K; Ekins-Daukes N, 2005, 'Multi-junction III-V solar cells: Current status and future potential', Solar Energy, 79, pp. 78 - 85, http://dx.doi.org/10.1016/j.solener.2004.09.018

Khan A; Marupaduga S; Anandakrishnan SS; Alam M; Ekins-Daukes NJ; Lee HS; Sasaki T; Yamaguchi M; Takamoto T; Agui T; Kamimura K; Kaneiwa M; Imazumi M, 2004, 'Radiation response analysis of wide-gap p-AllnGaP for superhigh-efficiency space photovoltaics', Applied Physics Letters, 85, pp. 5218 - 5220, http://dx.doi.org/10.1063/1.1829136

Ekins-Daukes NJ; Lee HS; Sasaki T; Yamaguchi M; Khan A; Takamoto T; Agui T; Kamimura K; Kaneiwa M; Imaizumi M; Ohshima T; Kamiya T, 2004, 'Carrier removal in lattice-mismatched InGaP solar cells under 1-MeV-electron irradiation', Applied Physics Letters, 85, pp. 2511 - 2513, http://dx.doi.org/10.1063/1.1794371

Chatten AJ; Barnham KWJ; Buxton BF; Ekins-Daukes NJ; Malik MA, 2004, 'Quantum dot solar concentrators', Semiconductors, 38, pp. 909 - 917, http://dx.doi.org/10.1134/1.1787111

Narayanan KL; Soga T; Ekins-Daukes NJ; Yamaguchi M, 2004, 'Rectifying I-V Characteristics of n-Type Fluorine Implanted a-C/p-Type Si Heterojunction Diodes', Japanese Journal of Applied Physics Part 2 Letters, 43, pp. L24 - L26, http://dx.doi.org/10.1143/JJAP.43.L24

Ekins-Daukes NJ; Ballard I; Calder CDJ; Barnham KWJ; Hill G; Roberts JS, 2003, 'Photovoltaic efficiency enhancement through thermal up-conversion', Applied Physics Letters, 82, pp. 1974 - 1976, http://dx.doi.org/10.1063/1.1561159

Chatten AJ; Barnham KWJ; Buxton BF; Ekins-Daukes NJ; Malik MA, 2003, 'A new approach to modelling quantum dot concentrators', Solar Energy Materials and Solar Cells, 75, pp. 363 - 371, http://dx.doi.org/10.1016/S0927-0248(02)00182-4

Bushnell DB; Ekins-Daukes NJ; Barnham KWJ; Connolly JP; Roberts JS; Hill G; Airey R; Mazzer M, 2003, 'Short-circuit current enhancement in Bragg stack multi-quantum-well solar cells for multi-junction space cell applications', Solar Energy Materials and Solar Cells, 75, pp. 299 - 305, http://dx.doi.org/10.1016/S0927-0248(02)00172-1

Ekins-Daukes NJ; Kawaguchi K; Zhang J, 2002, 'Strain-Balanced Criteria for Multiple Quantum Well Structures and Its Signature in X-ray Rocking Curves', Crystal Growth and Design, 2, pp. 287 - 292, http://dx.doi.org/10.1021/cg025502y

Rohr C; Connolly JP; Ekins-Daukes N; Abbott P; Ballard I; Barnham KWJ; Mazzer M; Button C, 2002, 'InGaAs/InGaAs strain-compensated quantum well cells for thermophotovoltaic applications', Physica E Low Dimensional Systems and Nanostructures, 14, pp. 158 - 161, http://dx.doi.org/10.1016/S1386-9477(02)00369-7

Ekins-Daukes NJ; Bushnell DB; Connolly JP; Barnham KWJ; Mazzer M; Roberts JS; Hill G; Airey R, 2002, 'Strain-balanced quantum well solar cells', Physica E Low Dimensional Systems and Nanostructures, 14, pp. 132 - 135, http://dx.doi.org/10.1016/S1386-9477(02)00378-8

Ekins-Daukes NJ; Barnes JM; Barnham KWJ; Connolly JP; Mazzer M; Clark JC; Grey R; Hill G; Pate MA; Roberts JS, 2001, 'Strained and strain-balanced quantum well devices for high-efficiency tandem solar cells', Solar Energy Materials and Solar Cells, 68, pp. 71 - 87, http://dx.doi.org/10.1016/S0927-0248(00)00346-9

Barnham KWJ; Ballard I; Connolly JG; Ekins-Daukes N; Kluftinger BG; Nelson J; Rohr C; Mazzer M, 2000, 'Recent results on quantum well solar cells', Journal of Materials Science Materials in Electronics, 11, pp. 531 - 536, http://dx.doi.org/10.1023/A:1026587616640

Ekins-Daukes NJ; Barnham KWJ; Connolly JP; Roberts JS; Clark JC; Hill G; Mazzer M, 1999, 'Strain-balanced GaAsP/InGaAs quantum well solar cells', Applied Physics Letters, 75, pp. 4195 - 4197, http://dx.doi.org/10.1063/1.125580

Ekins-Daukes NJ; Nelson J; Barnes J; Barnham KWJ; Kluftinger BG; Tsui ESM; Foxon CT; Cheng TS; Roberts JS, 1998, 'Radiative currents in quantum-well solar cells', Physica E Low Dimensional Systems and Nanostructures, 2, pp. 171 - 176, http://dx.doi.org/10.1016/S1386-9477(98)00037-X

Nelson J; Barnes J; Ekins-Daukes N; Kluftinger B; Tsui E; Barnham K; Foxon CT; Cheng T; Roberts JS, 1997, 'Observation of suppressed radiative recombination in single quantum well p-i-n photodiodes', Journal of Applied Physics, 82, pp. 6240 - 6246, http://dx.doi.org/10.1063/1.366510

Conference Papers

Lehmann A; Keevers M; Ekins-Daukes N, 2025, 'Flowline design of refractive optics', in Proceedings of SPIE the International Society for Optical Engineering, http://dx.doi.org/10.1117/12.3063921

Nielsen MP; McNab S; Pearce PM; Beves J; Schmidt T; Cho Y; Baldacchino AJ; Tong J; Brett MW; Carwithen BP; Jiang JY; Hoex B; Ciesla AM; McCamey DR; Tayebjee MJY; Ekins-Daukes NJ, 2025, 'Organic multi exciton generation augmented silicon (OMEGA): Elucidating hybrid inorganic-organic energy transfer', Institute of Electrical and Electronics Engineers (IEEE), pp. 0172 - 0172, presented at 2025 IEEE 53rd Photovoltaic Specialists Conference (PVSC), http://dx.doi.org/10.1109/pvsc59419.2025.11133118

Nielsen MP; Radchenkov V; Harrison JA; Sazzad MH; Pearce PM; Pusch A; Bremner SP; Reece PJ; Ekins-Daukes NJ, 2025, 'Raising the Temperature: Comparing HgCdTe and III-V Thermoradiative Diodes', in 2025 IEEE 53RD PHOTOVOLTAIC SPECIALISTS CONFERENCE, PVSC, Institute of Electrical and Electronics Engineers (IEEE), CANADA, Montreal, pp. 0097 - 0097, presented at 2025 IEEE 53rd Photovoltaic Specialists Conference (PVSC), CANADA, Montreal, 08 June 2025 - 13 June 2025, http://dx.doi.org/10.1109/pvsc59419.2025.11132943

Nielsen MP; McNab S; Baldacchino AJ; Jones A; Ciesla A; Hoex B; Tayebjee MJY; Ekins-Daukes NJ, 2025, 'Interfacial band alignment and triplet energy transfer in singlet fission silicon solar cells', in Proceedings of the International Conference on Hybrid and Organic Photovoltaics, FUNDACIO DE LA COMUNITAT VALENCIANA SCITO, presented at 12º nternational Conference on Hybrid and Organic Photovoltaics, 12 May 2025 - 14 May 2025, http://dx.doi.org/10.29363/nanoge.hopv.2025.019

Wagner L; Peters IM; Anctil A; Davies M; de Groot J; Wang L; Pietzcker R; Ekins-Daukes N; Goldschmidt JC, 2025, 'Paradigm-shifts for sustainable multi-TW photovoltaics', in Proceedings of the International Conference on Hybrid and Organic Photovoltaics, FUNDACIO DE LA COMUNITAT VALENCIANA SCITO, presented at 12º nternational Conference on Hybrid and Organic Photovoltaics, 12 May 2025 - 14 May 2025, http://dx.doi.org/10.29363/nanoge.hopv.2025.077

Harrison JA; Pearce PM; Bremner SP; Ekins-Daukes NJ, 2025, 'Experimental verification of AlGaAs reflectors optimised for InGaP/GaAs/Ge triple-junction cells', in Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 1036 - 1038, http://dx.doi.org/10.1109/PVSC59419.2025.11132564

Kelzenberg MD; Jahelka P; Anjum S; Li G; Koschnick B; Madumelu C; Song H; Hoex B; Ekins-Daukes NJ; Conibeer G; Toth P; Atwater HA, 2025, 'Radiation testing of Si PERC and diffused-junction GaAs solar cells for space applications', in Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 1465 - 1467, http://dx.doi.org/10.1109/PVSC59419.2025.11133090

Koschnick BH; Conibeer G; Gujarati B; Madumelu C; Kho TC; Song H; Toth P; Zhou Z; Hoex B; Ekins-Daukes NJ; Katupitiya J; Li G, 2025, 'Terrestrial Solar Panel Transfer to Space: Development at ExtraTerrestrial Power and Review of Space Flight Heritage in 2025', in Proceedings of the International Astronautical Congress Iac, pp. 491 - 495, http://dx.doi.org/10.52202/083089-0050

Xia D; Sharma ASS; Pusch A; Tayebjee MJY; Nielsen MP; Rougieux FE; Dorman KR; Mishima TD; Santos MB; Sellers IR; Ekins-Daukes NJ; Krich JJ, 2024, 'Global analysis of valley photovoltaic devices demonstrates challenges of current designs', in 2024 IEEE 52ND PHOTOVOLTAIC SPECIALIST CONFERENCE, PVSC, IEEE, WA, Seattle, pp. 0494 - 0494, presented at 52nd Photovoltaic Specialist Conference, WA, Seattle, 15 November 2024, http://dx.doi.org/10.1109/PVSC57443.2024.10749061

Schmidt TW; Tayebjee MJY; Nielsen MP; McCamey DR; Ekins-Daukes N; Baldacchino A; Mo A; Brett MW; Pearce PM; Ciesla AM; Chang NL; Hoex B; Beves JE; Jiang Y; McNab S; Carwithen BP; de Clercq DM; Tong J, 2024, 'Singlet fission solar cells', SPIE, the international society for optics and photonics, pp. 2, presented at Physics, Simulation, and Photonic Engineering of Photovoltaic Devices XIII, http://dx.doi.org/10.1117/12.3003348

de Clercq D; Carwithen B; Hosseinabadi P; Nielsen M; Brett M; Prasad S; Farahani A; Li H; Feng J; Beves J; Ekins-Daukes N; Cole J; Thordarson P; Tayebjee M; Schmidt T; Sanders S, 2024, 'Resolving the emissive intermediate in singlet fission', Fundacio Scito, presented at Proceedings of the International Conference on Hybrid and Organic Photovoltaics, http://dx.doi.org/10.29363/nanoge.hopv.2024.011

Pearce PM; Ekins-Daukes NJ, 2024, 'Efficiency Limits of Silicon Solar Cells with Organic Singlet Fission Layers', in Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 1191 - 1193, http://dx.doi.org/10.1109/PVSC57443.2024.10749263

Harrison J; Pearce P; Yang F; Nielsen M; Brindley H; Ekins-Daukes NJ, 2024, 'Evaluating Power Output of Terrestrial Thermoradiative Diodes with Atmospheric Modelling', in Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 1366 - 1369, http://dx.doi.org/10.1109/PVSC57443.2024.10748806

Harrison J; Pearce P; Ekins-Daukes NJ, 2024, 'Optimized Bragg Reflectors for GaAs Subcell in InGaP/GaAs/Ge Triple-Junctions', in Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 1449 - 1451, http://dx.doi.org/10.1109/PVSC57443.2024.10749046

Lehmann A; Keevers M; Ekins-Daukes N, 2024, 'Techniques in flowline optics: towards calculating étendue from flowlines', in Proceedings of SPIE the International Society for Optical Engineering, http://dx.doi.org/10.1117/12.3028207

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