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Title: The characterization of chloroboron (III) subnaphthalocyanine thin films and their application as a donor material for organic solar cells
Authors: Verreet, Bregt ×
Schols, Sarah
Cheyns, David
Rand, Barry P
Gommans, Hans
Aernouts, Tom
Heremans, Paul
Genoe, Jan #
Issue Date: 2009
Publisher: Royal soc chemistry
Series Title: Journal of materials chemistry vol:19 issue:30 pages:5295-5297
Abstract: Chloroboron (III) subnaphthalocyanine (SubNc) films have been characterized by ellipsometry, absorption, photoluminescence measurements, and atomic force microscopy. The films strongly absorb red light, as the extinction coefficient k peaks at 1.4 at a wavelength of 686 nm. Planar bilayer heterojunctions with fullerene (C-60) on top of SubNc are measured under AM 1.5 simulated illumination at various light intensities, leading to an open-circuit voltage (V-oc) of 790 mV and a power conversion efficiency of 2.5%. The external and internal quantum efficiencies peaked at 36% and 70%, respectively. The combination of a strong red absorption and high V-oc make SubNc an interesting material for organic solar cells, in particular for tandem cells.
ISSN: 0959-9428
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - MICAS, Microelectronics and Sensors
Associated Section of ESAT - INSYS, Integrated Systems
Electrical Engineering (ESAT) TC, Technology Campus Diepenbeek
Technologiecluster ESAT Elektrotechnische Engineering
× corresponding author
# (joint) last author

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