| Current-matched triple-junction solar cell reaching 41.1% conversion efficiency under concentrated sunlight | Applied Physics Letters | 2009 | 522 |
| A planar copolymer for high efficiency polymer solar cells | Journal of the American Chemical Society | 2009 | 392 |
| Increasing the efficiency of fluorescent concentrator systems | Solar Energy Materials and Solar Cells | 2009 | 179 |
| Experimental investigations on solar driven stand-alone membrane distillation systems for remote areas | Desalination | 2009 | 118 |
| High-Voltage GaAs Photovoltaic Laser Power Converters | IEEE Transactions on Electron Devices | 2009 | 86 |
| Fast series resistance imaging for silicon solar cells using electroluminescence | Physica Status Solidi - Rapid Research Letters | 2009 | 85 |
| Experimental and numerical studies of portable PEMFC stack | Electrochimica Acta | 2009 | 77 |
| Modeling the phenomena of dehydration and flooding of a polymer electrolyte membrane fuel cell | Journal of Power Sources | 2009 | 77 |
| Comprehensive analysis of advanced solar cell contacts consisting of printed fine-line seed layers thickened by silver plating | Progress in Photovoltaics: Research and Applications | 2009 | 67 |
| Indoor temperature variations resulting from solar desiccant cooling in a building without thermal backup | International Journal of Refrigeration | 2009 | 60 |
| A portable fuel processor for hydrogen production from ethanol in a 250Wel fuel cell system | International Journal of Hydrogen Energy | 2009 | 46 |
| CFD simulation of a membrane distillation module channel | Desalination and Water Treatment | 2009 | 45 |
| Electrochromic device with a redox electrolyte | Solar Energy Materials and Solar Cells | 2009 | 38 |
| Spatially resolved determination of the dark saturation current of silicon solar cells from electroluminescence images | Journal of Applied Physics | 2009 | 37 |
| The photonic light trap—Improved light trapping in solar cells by angularly selective filters | Solar Energy Materials and Solar Cells | 2009 | 36 |
| Measuring temperature-dependent water vapor and gas permeation through high barrier films | Review of Scientific Instruments | 2009 | 35 |
| Plugging into the Zeitgeist | IEEE Power and Energy Magazine | 2009 | 31 |
| Physical understanding of the behavior of silver thick-film contacts on n-type silicon under annealing conditions | Solar Energy Materials and Solar Cells | 2009 | 29 |
| Catalytic materials manufactured by the polyol process for monolithic dye-sensitized solar cells | Progress in Photovoltaics: Research and Applications | 2009 | 27 |
| The effect of photonic structures on the light guiding efficiency of fluorescent concentrators | Journal of Applied Physics | 2009 | 26 |
| Thermal annealing of SiC thin films with varying stoichiometry | Materials Science and Engineering B: Solid-State Materials for Advanced Technology | 2009 | 23 |
| Characterizing the light guiding of fluorescent concentrators | Journal of Applied Physics | 2009 | 21 |
| The impact of auxiliary energy on the efficiency of the heating and cooling system: Monitoring of low-energy buildings | Energy and Buildings | 2009 | 21 |
| Validity of two-phase polymer electrolyte membrane fuel cell models with respect to the gas diffusion layer | Journal of Power Sources | 2009 | 20 |
| Analysis of Selective Phosphorous Laser Doping in High-Efficiency Solar Cells | IEEE Transactions on Electron Devices | 2009 | 19 |
