Plasmonic electrodes for organic photovoltaics: polarization-independent absorption enhancement

Beibei Zeng; Zakya H. Kafafi; Filbert J. Bartoli

doi:10.1117/12.2061240

6 October 2014 Plasmonic electrodes for organic photovoltaics: polarization-independent absorption enhancement

Beibei Zeng, Zakya H. Kafafi, Filbert J. Bartoli

Proceedings Volume 9184, Organic Photovoltaics XV; 91841E (2014) https://doi.org/10.1117/12.2061240
Event: SPIE Organic Photonics + Electronics, 2014, San Diego, California, United States

Abstract

We systematically investigate the optical and electrical properties of ultrathin two-dimensional (2D) Ag nanogratings (NGs), and explore their use as plasmonic transparent conducting electrodes in molecular organic photovoltaics (OPVs). A large broadband and polarization-insensitive optical absorption enhancement in the CuPc (copper phthalocyanine): PTCBI (perylene tetracarboxylic bisbenzimidazole) active light-harvesting layers is demonstrated using ultrathin 2D Ag NGs, and is attributed to the excitation of surface plasmon resonances and plasmonic cavity modes.

Citation Download Citation

Beibei Zeng, Zakya H. Kafafi, and Filbert J. Bartoli "Plasmonic electrodes for organic photovoltaics: polarization-independent absorption enhancement", Proc. SPIE 9184, Organic Photovoltaics XV, 91841E (6 October 2014); https://doi.org/10.1117/12.2061240

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