Nano-photonic organic solar cell architecture for advanced light management utilizing dual photonic crystals

Akshit Peer; Rana Biswas

doi:10.1117/12.2188783

9 September 2015 Nano-photonic organic solar cell architecture for advanced light management utilizing dual photonic crystals

Akshit Peer, Rana Biswas

Author Affiliations +

Proceedings Volume 9567, Organic Photovoltaics XVI; 95670H (2015) https://doi.org/10.1117/12.2188783
Event: SPIE Organic Photonics + Electronics, 2015, San Diego, California, United States

Abstract

Organic solar cells have rapidly increasing efficiencies, but typically absorb less than half of the incident solar spectrum. To increase broadband light absorption, we rigorously design experimentally realizable solar cell architectures based on dual photonic crystals. Our optimized architecture consists of a polymer microlens at the air-glass interface, coupled with a photonic-plasmonic crystal at the metal cathode. The microlens focuses light on the periodic nanostructure that generates strong light diffraction. Waveguiding modes and surface plasmon modes together enhance long wavelength absorption in P3HT-PCBM. The architecture has a period of 500 nm, with absorption and photocurrent enhancement of 49% and 58%, respectively.

Conference Presentation

Citation Download Citation

Akshit Peer and Rana Biswas "Nano-photonic organic solar cell architecture for advanced light management utilizing dual photonic crystals", Proc. SPIE 9567, Organic Photovoltaics XVI, 95670H (9 September 2015); https://doi.org/10.1117/12.2188783

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