Photoluminescence Studies on the Supramolecular Interactions Between a Pyrollidinofullerene and Zinc-Phthalocyanine Used in Organic Solar Cells

We present a study of supramolecular interactions between a highly soluble pyrollidinofullerene bearing three chelating pyridyl groups (PyF) and zinc-phthalocyanine (ZnPc). Photoluminescence quenching shows a non-diffusive concentration dependency, which can be explained by the formation of a non-co...

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Bibliographic Details
Published in:Fullerenes, nanotubes, and carbon nanostructures nanotubes, and carbon nanostructures, 2006-12, Vol.14 (2-3), p.441-446
Main Authors: Koeppe, R., Troshin, P. A., Fuchsbauer, A., Lyubovskaya, R. N., Sariciftci, N. S.
Format: Article
Language:English
Subjects:
complex
Fullerene
organic solar cell
photoluminescence
phthalocyanine
quenching
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Summary:We present a study of supramolecular interactions between a highly soluble pyrollidinofullerene bearing three chelating pyridyl groups (PyF) and zinc-phthalocyanine (ZnPc). Photoluminescence quenching shows a non-diffusive concentration dependency, which can be explained by the formation of a non-covalently bonded supramolecular dyad. A further indication for such a complexation is observed by a significantly increased solubility of ZnPc in CH 2 Cl 2 upon addition of PyF. Solar cells fabricated from a thin evaporated layer of ZnPc and a spincoated layer of PyF show short-circuit current densities of approximately 4 mA/cm 2 with open circuit voltages around 400 mV under 100 mW/cm 2 simulated AM1.5 illumination.
ISSN:1536-383X
1536-4046
DOI:10.1080/15363830600666118