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Issue 30, 2009
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The characterization of chloroboron (III) subnaphthalocyanine thin films and their application as a donor material for organic solar cells

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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 (C60) on top of SubNc are measured under AM 1.5 simulated illumination at various light intensities, leading to an open-circuit voltage (Voc) 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 Voc make SubNc an interesting material for organic solar cells, in particular for tandem cells.

Graphical abstract: The characterization of chloroboron (iii) subnaphthalocyanine thin films and their application as a donor material for organic solar cells

  • This article is part of the themed collection: Solar cells
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Publication details

The article was received on 04 Feb 2009, accepted on 27 Mar 2009 and first published on 15 Apr 2009


Article type: Communication
DOI: 10.1039/B902342A
Citation: J. Mater. Chem., 2009,19, 5295-5297
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    The characterization of chloroboron (III) subnaphthalocyanine thin films and their application as a donor material for organic solar cells

    B. Verreet, S. Schols, D. Cheyns, B. P. Rand, H. Gommans, T. Aernouts, P. Heremans and J. Genoe, J. Mater. Chem., 2009, 19, 5295
    DOI: 10.1039/B902342A

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