Publikation:

Large polycyclic aromatic hydrocarbons for application in donor-acceptor photovoltaics

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Datum

2012

Autor:innen

Hesse, Holger Christian
Schaffer, Christoph
Hundschell, Christian
Narita, Akimitsu
Feng, Xinliang
Müllen, Klaus
Nickel, Bert

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http://nbn-resolving.de/urn:nbn:de:bsz:352-217594
DOI (zitierfähiger Link)
https://doi.org/10.1002/pssa.201127571
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physica status solidi (a). 2012, 209(4), pp. 785-789. ISSN 1862-6300. eISSN 1862-6319. Available under: doi: 10.1002/pssa.201127571

Zusammenfassung

We present the photovoltaic application of a donor–acceptor system consisting of very large polycyclic aromatic hydrocarbons. Using vacuum sublimated hexa-peri-hexabenzocoronenes we evidence long exciton diffusion lengths of approximately 25 nm. In conjunction with the heaxfluorinated analogue for the first time a photovoltaic device using nanographene as active material for both donor and acceptor compounds was fabricated. The bi-layered device exhibits a remarkably high open circuit voltage of 1.39 V. Light absorption of the photoactive materials used here is strictly confined to wavelengths below 500 nm, rendering this approach especially interesting for the application in semi-transparent devices as well as multi-layered and tandem solar cells.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
530 Physik

Schlagwörter

Exciton diffusion, graphene, organic photovoltaics, photoluminescence quenching

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ISO 690HESSE, Holger Christian, Christoph SCHAFFER, Christian HUNDSCHELL, Akimitsu NARITA, Xinliang FENG, Klaus MÜLLEN, Bert NICKEL, Lukas SCHMIDT-MENDE, 2012. Large polycyclic aromatic hydrocarbons for application in donor-acceptor photovoltaics. In: physica status solidi (a). 2012, 209(4), pp. 785-789. ISSN 1862-6300. eISSN 1862-6319. Available under: doi: 10.1002/pssa.201127571
BibTex
@article{Hesse2012Large-21759,
  year={2012},
  doi={10.1002/pssa.201127571},
  title={Large polycyclic aromatic hydrocarbons for application in donor-acceptor photovoltaics},
  number={4},
  volume={209},
  issn={1862-6300},
  journal={physica status solidi (a)},
  pages={785--789},
  author={Hesse, Holger Christian and Schaffer, Christoph and Hundschell, Christian and Narita, Akimitsu and Feng, Xinliang and Müllen, Klaus and Nickel, Bert and Schmidt-Mende, Lukas}
}
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