| A 19.9%-efficient ultrathin solar cell based on a 205-nm-thick GaAs absorber and a silver nanostructured back mirror HL Chen, A Cattoni, R De Lépinau, AW Walker, O Höhn, D Lackner, ... Nature Energy 4 (9), 761-767, 2019 | 195 | 2019 |
| Performance comparison of AlGaAs, GaAs and InGaP tunnel junctions for concentrated multijunction solar cells JF Wheeldon, CE Valdivia, AW Walker, G Kolhatkar, A Jaouad, A Turala, ... Progress in Photovoltaics: Research and Applications 19 (4), 442-452, 2011 | 98 | 2011 |
| Impact of photon recycling on GaAs solar cell designs AW Walker, O Höhn, DN Micha, B Bläsi, AW Bett, F Dimroth IEEE Journal of photovoltaics 5 (6), 1636-1645, 2015 | 95 | 2015 |
| Optimal laser wavelength for efficient laser power converter operation over temperature O Höhn, AW Walker, AW Bett, H Helmers Applied Physics Letters 108 (24), 2016 | 68 | 2016 |
| Nonradiative lifetime extraction using power-dependent relative photoluminescence of III-V semiconductor double-heterostructures AW Walker, S Heckelmann, C Karcher, O Höhn, C Went, M Niemeyer, ... Journal of Applied Physics 119 (15), 2016 | 45 | 2016 |
| Minority carrier diffusion length, lifetime and mobility in p-type GaAs and GaInAs M Niemeyer, J Ohlmann, AW Walker, P Kleinschmidt, R Lang, ... Journal of Applied Physics 122 (11), 2017 | 44 | 2017 |
| The effects of absorption and recombination on quantum dot multijunction solar cell efficiency AW Walker, O Thériault, JF Wheeldon, K Hinzer IEEE journal of photovoltaics 3 (3), 1118-1124, 2013 | 40 | 2013 |
| Tunnel-junction-limited multijunction solar cell performance over concentration AW Walker, O Thériault, MM Wilkins, JF Wheeldon, K Hinzer IEEE Journal of Selected Topics in Quantum Electronics 19 (5), 1-8, 2013 | 37 | 2013 |
| Enhanced Efficiencies for High‐Concentration, Multijunction PV Systems by Optimizing Grid Spacing under Nonuniform Illumination P Sharma, AW Walker, JF Wheeldon, K Hinzer, H Schriemer International Journal of Photoenergy 2014 (1), 582083, 2014 | 32 | 2014 |
| Estimating cell temperature in a concentrating photovoltaic system MD Yandt, JF Wheeldon, J Cook, R Beal, AW Walker, O Thériault, ... AIP Conference Proceedings 1477 (1), 172-175, 2012 | 28 | 2012 |
| Impact of photon recycling and luminescence coupling on III–V single and dual junction photovoltaic devices AW Walker, O Höhn, DN Micha, L Wagner, H Helmers, AW Bett, F Dimroth Journal of Photonics for Energy 5 (1), 053087-053087, 2015 | 27 | 2015 |
| AlGaAs tunnel junction for high efficiency multi-junction solar cells: Simulation and measurement of temperature-dependent operation JF Wheeldon, CE Valdivia, A Walker, G Kolhatkar, TJ Hall, K Hinzer, ... 2009 34th IEEE Photovoltaic Specialists Conference (PVSC), 000106-000111, 2009 | 25 | 2009 |
| Measurement of the non-radiative minority recombination lifetime and the effective radiative recombination coefficient in GaAs M Niemeyer, P Kleinschmidt, AW Walker, LE Mundt, C Timm, R Lang, ... AIP Advances 9 (4), 2019 | 23 | 2019 |
| Temperature dependent external quantum efficiency simulations and experimental measurement of lattice matched quantum dot enhanced multi-junction solar cells AW Walker, JF Wheeldon, O Thériault, MD Yandt, K Hinzer 2011 37th IEEE Photovoltaic Specialists Conference, 000564-000569, 2011 | 20 | 2011 |
| The dependence of multijunction solar cell performance on the number of quantum dot layers AW Walker, O Theriault, K Hinzer IEEE Journal of Quantum Electronics 50 (3), 198-203, 2014 | 19 | 2014 |
| Procedure to decouple reflectance and down-shifting effects in luminescent down-shifting enhanced photovoltaics AM Gabr, AW Walker, MM Wilkins, R Kleiman, K Hinzer Optics Express 25 (12), A530-A538, 2017 | 17 | 2017 |
| Efficiency Measurements and Simulations of GaInP/InGaAs/Ge Quantum Dot Enhanced Solar Cells at up to 1000‐Suns Under Flash and Continuous Concentration JF Wheeldon, A Walker, CE Valdivia, S Chow, O Theriault, R Beal, ... AIP Conference Proceedings 1407 (1), 220-223, 2011 | 17 | 2011 |
| Heavy and light hole minority carrier transport properties in low-doped n-InGaAs lattice matched to InP AW Walker, MW Denhoff Applied Physics Letters 111 (16), 2017 | 13 | 2017 |
| Modeling down-conversion and down-shifting for photovoltaic applications AM Gabr, JF Wheeldon, RM Beal, A Walker, J Sacks, RM Savidge, TJ Hall, ... 2012 38th IEEE Photovoltaic Specialists Conference, 000048-000052, 2012 | 13 | 2012 |
| Positioning and doping effects on quantum dot multi‐junction solar cell performance AW Walker, O Thériault, K Hinzer Progress in Photovoltaics: Research and Applications 23 (6), 793-799, 2015 | 12 | 2015 |
