Hot photocarrier dynamics in organic solar cells measured by transient absorption and time-resolved terahertz spectroscopy

Paul A. Lane; Paul D. Cunningham; Joseph S. Melinger; Edwin J. Heilweil

doi:10.1117/12.2062253

6 October 2014 Hot photocarrier dynamics in organic solar cells measured by transient absorption and time-resolved terahertz spectroscopy

Paul A. Lane, Paul D. Cunningham, Joseph S. Melinger, Edwin J. Heilweil

Author Affiliations +

Proceedings Volume 9184, Organic Photovoltaics XV; 91840G (2014) https://doi.org/10.1117/12.2062253
Event: SPIE Organic Photonics + Electronics, 2014, San Diego, California, United States

Abstract

We present a study of charge transfer and carrier dynamics in films of zinc phthalocyanine (ZnPc) and buckmisnsterfullerene (C₆₀) by investigated by time-resolved terahertz spectroscopy (TRTS). We compare terahertz photoconductivity dynamics in composite and multi-layered films of C₆₀ and ZnPc. The few picosecond terahertz photoconductivity dynamics arise from autoionization and recombination between C₆₀ molecules and cooling of hot photocarriers following from charge transfer between C₆₀ and ZnPc.

Citation Download Citation

Paul A. Lane, Paul D. Cunningham, Joseph S. Melinger, and Edwin J. Heilweil "Hot photocarrier dynamics in organic solar cells measured by transient absorption and time-resolved terahertz spectroscopy", Proc. SPIE 9184, Organic Photovoltaics XV, 91840G (6 October 2014); https://doi.org/10.1117/12.2062253

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