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Preferably one that is researched in a paper, not necessarily in production. I have found various claims of OPVs with an efficiency of 10%, 8% and 7.3%, the only one I can substantiate is referenced in a paper in Advanced Materials (Volume 22, Issue 34 pp 3839–3856) to Solarmer but the web reference there leads to a news page where the news have been removed. |
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Progress in Photovoltaics: Research and Applications publishes a biannual review of PV efficiency records, under the name Solar cell efficiency tables. The 2013 January review gave a record efficiency under standard test conditions for an organic PV cell of $10.7\pm0.3\%$. For an organic PV sub-module, the record is $6.8\pm0.2\%$ Cells have higher efficiencies than sub-modules, which tend to have higher efficiencies than modules. A (sub-)module is made up of several cells , and power is aggregated from all of the cells. The most efficient cell in a (sub-)module will, by definition, have an efficiency equal to or higher than all other cells in that (sub-)module; and not all the module surface area is covered in cells; therefore record cell efficiency will always be higher than (sub-)module efficiency. Here's the recent history of organic PV cell record efficiencies (%, standard test conditions): 2012-10 $10.7\pm0.3$ 2011-10 $10.0\pm0.3$ 2010-11 $8.3\pm0.3$ 2006-12 $~5.15\pm0.3$ 2006-03 $~3.0\pm0.1$ The record efficiency for any PV cell is $44.0\pm3\%$, for a GaInP/GaAs/GaInNAs cell (2012-10), measured at 942 suns, AM 1.5, cell temp $25^{\circ}C$ . |
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This chart Best Research-Cell Efficiencies may be useful. |
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