Instantaneous charge separation in non-fullerene acceptor bulk-heterojunction of highly efficient solar cells

Instantaneous charge separation in non-fullerene acceptor bulk-heterojunction of highly efficient solar cells

Using broadband transient absorption in a high efficiency (>11%) photovoltaic blend with a non-fullerene acceptor, we observe instantaneous (sub-30 fs) charge separation, demonstrating close to ideal donor-acceptor level matching and nanomorphology in this blend.

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Bibliographische Detailangaben
Hauptverfasser: Franco, V. A. Camargo, Gasparini, Nicola, Nagahara, Tetsuhiko, Lüer, Larry, Cerullo, Giulio, Brabec, Christoph
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Broadband
Fullerenes
Heterojunctions
Photovoltaic cells
Separation
Solar cells
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Beschreibung
Zusammenfassung:Using broadband transient absorption in a high efficiency (>11%) photovoltaic blend with a non-fullerene acceptor, we observe instantaneous (sub-30 fs) charge separation, demonstrating close to ideal donor-acceptor level matching and nanomorphology in this blend.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201920505010