- AutorIn
- Ellen Siebert-Henze
- Vadim G. Lyssenko
- Janine Fischer
- Max Tietze
- Robert Brueckner
- Martin Schwarze
- Koen Vandewal
- Debes Ray
- Moritz Riede
- Karl Leo
- Titel
- Built-in voltage of organic bulk heterojuction p-i-n solar cells measured by electroabsorption spectroscopy
- Zitierfähige Url:
- https://nbn-resolving.org/urn:nbn:de:bsz:14-qucosa-147610
- Quellenangabe
- AIP Advances, 2014, Volume 4, Issue 4, ISSN: 2158-3226
- Erstveröffentlichung
- 2014
- Abstract (EN)
- We investigate the influence of the built-in voltage on the performance of organic bulk heterojuction solar cells that are based on a p-i-n structure. Electrical doping in the hole and the electron transport layer allows to tune their work function and hence to adjust the built-in voltage: Changing the doping concentration from 0.5 to 32 wt% induces a shift of the work function towards the transport levels and increases the built-in voltage. To determine the built-in voltage, we use electroabsorption spectroscopy which is based on an evaluation of the spectra caused by a change in absorption due to an electric field (Stark effect). For a model system with a bulk heterojunction of BF-DPB and C60, we show that higher doping concentrations in both the electron and the hole transport layer increase the built-in voltage, leading to an enhanced short circuit current and solar cell performance.
- Andere Ausgabe
- DOI: 10.1063/1.4873597
- Link zur Originalpublikation in der Zeitschrift AIP Advances.
Link: http://dx.doi.org/10.1063/1.4873597 - Freie Schlagwörter (DE)
- Elekroabsorption, Spektroskopie, Solarzellen, Dotierung, Elektrisches Feld, TU Dresden, Publikationsfonds
- Freie Schlagwörter (EN)
- electroabsorption spectroscopy, solar cells, Doping, Electric fields, Technical University Dresden, Publication funds
- Klassifikation (DDC)
- 530
- Klassifikation (RVK)
- UA 1000
- Verlag
- AIP Publishing, New York
- URN Qucosa
- urn:nbn:de:bsz:14-qucosa-147610
- Veröffentlichungsdatum Qucosa
- 17.07.2014
- Dokumenttyp
- Artikel
- Sprache des Dokumentes
- Englisch
- Lizenz / Rechtehinweis
- CC BY 3.0