Nanostructured broadband antireflection coatings on AlInP fabricated by nanoimprint lithography J Tommila, V Polojärvi, A Aho, A Tukiainen, J Viheriälä, J Salmi, ... Solar Energy Materials and Solar Cells 94 (10), 1845-1848, 2010 | 101 | 2010 |
Moth‐eye antireflection coating fabricated by nanoimprint lithography on 1 eV dilute nitride solar cell J Tommila, A Aho, A Tukiainen, V Polojärvi, J Salmi, T Niemi, M Guina Progress in Photovoltaics: Research and Applications 21 (5), 1158-1162, 2013 | 66 | 2013 |
Composition dependent growth dynamics in molecular beam epitaxy of GaInNAs solar cells A Aho, V Polojärvi, VM Korpijärvi, J Salmi, A Tukiainen, P Laukkanen, ... Solar Energy Materials and Solar Cells 124, 150-158, 2014 | 59 | 2014 |
Performance assessment of multijunction solar cells incorporating GaInNAsSb A Aho, A Tukiainen, V Polojärvi, M Guina Nanoscale research letters 9, 1-7, 2014 | 54 | 2014 |
High‐efficiency GaInP/GaAs/GaInNAs solar cells grown by combined MBE‐MOCVD technique A Tukiainen, A Aho, G Gori, V Polojärvi, M Casale, E Greco, R Isoaho, ... Progress in Photovoltaics: Research and Applications 24 (7), 914-919, 2016 | 48 | 2016 |
Influence of As/group-III flux ratio on defects formation and photovoltaic performance of GaInNAs solar cells V Polojärvi, A Aho, A Tukiainen, M Raappana, T Aho, A Schramm, ... Solar Energy Materials and Solar Cells 149, 213-220, 2016 | 46 | 2016 |
Nanoimprint lithography patterned GaAs templates for site-controlled InAs quantum dots J Tommila, A Tukiainen, J Viheriälä, A Schramm, T Hakkarainen, A Aho, ... Journal of Crystal Growth 323 (1), 183-186, 2011 | 44 | 2011 |
Room-temperature electron spin polarization exceeding 90% in an opto-spintronic semiconductor nanostructure via remote spin filtering Y Huang, V Polojärvi, S Hiura, P Höjer, A Aho, R Isoaho, T Hakkarainen, ... Nature Photonics 15 (6), 475-482, 2021 | 37 | 2021 |
Dynamics of time-resolved photoluminescence in GaInNAs and GaNAsSb solar cells A Gubanov, V Polojärvi, A Aho, A Tukiainen, NV Tkachenko, M Guina Nanoscale research letters 9, 1-4, 2014 | 35 | 2014 |
Lattice‐matched four‐junction tandem solar cell including two dilute nitride bottom junctions A Aho, R Isoaho, L Hytönen, T Aho, M Raappana, V Polojärvi, ... Progress in Photovoltaics: Research and Applications, 2018 | 29 | 2018 |
Temperature coefficients for GaInP/GaAs/GaInNAsSb solar cells A Aho, R Isoaho, A Tukiainen, V Polojärvi, T Aho, M Raappana, M Guina AIP Conference Proceedings 1679 (1), 2015 | 27 | 2015 |
Photovoltaic properties of low-bandgap (0.7–0.9 eV) lattice-matched GaInNAsSb solar junctions grown by molecular beam epitaxy on GaAs R Isoaho, A Aho, A Tukiainen, T Aho, M Raappana, T Salminen, J Reuna, ... Solar Energy Materials and Solar Cells 195, 198-203, 2019 | 26 | 2019 |
Wide spectral coverage (0.7–2.2 eV) lattice‐matched multijunction solar cells based on AlGaInP, AlGaAs and GaInNAsSb materials A Aho, R Isoaho, M Raappana, T Aho, E Anttola, J Lyytikäinen, ... Progress in Photovoltaics: Research and Applications 29 (7), 869-875, 2021 | 23 | 2021 |
Dilute nitride triple junction solar cells for space applications: Progress towards highest AM0 efficiency A Aho, R Isoaho, A Tukiainen, G Gori, R Campesato, M Guina Progress in Photovoltaics: Research and Applications, 2018 | 23 | 2018 |
Determination of composition and energy gaps of GaInNAsSb layers grown by MBE A Aho, VM Korpijärvi, R Isoaho, P Malinen, A Tukiainen, M Honkanen, ... Journal of Crystal Growth 438, 49-54, 2016 | 23 | 2016 |
Study of nitrogen incorporation into GaInNAs: The role of growth temperature in molecular beam epitaxy VM Korpijärvi, A Aho, P Laukkanen, A Tukiainen, A Laakso, M Tuominen, ... Journal of Applied Physics 112 (2), 2012 | 21 | 2012 |
Comparative study of defect levels in GaInNAs, GaNAsSb, and GaInNAsSb for high-efficiency solar cells V Polojärvi, A Aho, A Tukiainen, A Schramm, M Guina Applied Physics Letters 108 (12), 2016 | 20 | 2016 |
31% European InGaP/GaAs/InGaNAs solar cells for space application R Campesato, A Tukiainen, A Aho, G Gori, R Isoaho, E Greco, M Guina Proceedings of the 11th European Space Power Conference 2016, 2017 | 19 | 2017 |
High current generation in dilute nitride solar cells grown by molecular beam epitaxy A Aho, A Tukiainen, V Polojärvi, J Salmi, M Guina Physics, Simulation, and Photonic Engineering of Photovoltaic Devices II …, 2013 | 19 | 2013 |
Enhancement of photocurrent in GaInNAs solar cells using Ag/Cu double-layer back reflector T Aho, A Aho, A Tukiainen, V Polojärvi, T Salminen, M Raappana, ... Applied physics letters 109 (25), 2016 | 17 | 2016 |