Advances in Plexcore active layer technology systems for organic photovoltaics: roof-top and accelerated lifetime analysis of high performance organic photovoltaic cells

Darin W. Laird; Swanand Vaidya; Sergey Li; Mathew Mathai; Brian Woodworth; Elena Sheina; Shawn Williams; Troy Hammond

doi:10.1117/12.734711

27 September 2007 Advances in Plexcore active layer technology systems for organic photovoltaics: roof-top and accelerated lifetime analysis of high performance organic photovoltaic cells

Darin W. Laird, Swanand Vaidya, Sergey Li, Mathew Mathai, Brian Woodworth, Elena Sheina, Shawn Williams, Troy Hammond

Author Affiliations +

Proceedings Volume 6656, Organic Photovoltaics VIII; 66560X (2007) https://doi.org/10.1117/12.734711
Event: Photonic Devices + Applications, 2007, San Diego, California, United States

Abstract

We report NREL-certified efficiencies and initial lifetime data for organic photovoltaic (OPV) cells based on Plexcore PV photoactive layer and Plexcore HTL-OPV hole transport layer technology. Plexcore PV-F3, a photoactive layer OPV ink, was certified in a single-layer OPV cell at the National Renewable Energy Laboratory (NREL) at 5.4%, which represents the highest official mark for a single-layer organic solar cell. We have fabricated and measured P3HT:PCBM solar cells with a peak efficiency of 4.4% and typical efficiencies of 3 - 4% (internal, NREL-calibrated measurement) with P3HT manufactured at Plextronics by the Grignard Metathesis (GRIM) method. Outdoor and accelerated lifetime testing of these devices is reported. Both Plexcore PV-F3 and P3HT:PCBM-based OPV cells exhibit >750 hours of outdoor roof-top, non-accelerated lifetime with less than 8% loss in initial efficiency for both active layer systems when exposed continuously to the climate of Western Pennsylvania. These devices are continuously being tested to date. Accelerated testing using a high-intensity (1000W) metal-halide lamp affords shorter lifetimes; however, the true acceleration factor is still to be determined.

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Darin W. Laird, Swanand Vaidya, Sergey Li, Mathew Mathai, Brian Woodworth, Elena Sheina, Shawn Williams, and Troy Hammond "Advances in Plexcore active layer technology systems for organic photovoltaics: roof-top and accelerated lifetime analysis of high performance organic photovoltaic cells", Proc. SPIE 6656, Organic Photovoltaics VIII, 66560X (27 September 2007); https://doi.org/10.1117/12.734711

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