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Proceedings Paper

Hot photocarrier dynamics in organic solar cells measured by transient absorption and time-resolved terahertz spectroscopy
Author(s): Paul A. Lane; Paul D. Cunningham; Joseph S. Melinger; Edwin J. Heilweil
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Paper 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.

Paper Details

Date Published: 6 October 2014
PDF: 8 pages
Proc. SPIE 9184, Organic Photovoltaics XV, 91840G (6 October 2014); doi: 10.1117/12.2062253
Show Author Affiliations
Paul A. Lane, U.S. Naval Research Lab. (United States)
Paul D. Cunningham, U.S. Naval Research Lab. (United States)
Joseph S. Melinger, U.S. Naval Research Lab. (United States)
Edwin J. Heilweil, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 9184:
Organic Photovoltaics XV
Zakya H. Kafafi; Paul A. Lane; Ifor D. W. Samuel, Editor(s)

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