Universität zu Köln

Steinmann, V., Kronenberg, N. M., Lenze, M. R., Graf, S. M., Hertel, D., Buerckstuemmer, H., Wuerthner, F. and Meerholz, K. (2011). A simple merocyanine tandem solar cell with extraordinarily high open-circuit voltage. Appl. Phys. Lett., 99 (19). MELVILLE: AMER INST PHYSICS. ISSN 0003-6951

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Abstract

We present a highly efficient tandem solar cell based on a merocyanine dye, containing two identical subcells connected in series. A recombination layer of Al/MoO(3) was used. Due to a substantial improvement of the fill factor, the overall efficiency of the tandem cell was even higher than that of the single-cell reference with identical active layer thickness. By combining the planar heterojunction and the bulk heterojunction concept, efficiencies up to 4.8% were achieved while maintaining a rather simple, fully vacuum-processed device stack consisting of only four organic layers. The optimized open-circuit voltage was as large as 2.1V. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3657145]

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Steinmann, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kronenberg, N. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lenze, M. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Graf, S. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hertel, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Buerckstuemmer, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wuerthner, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Meerholz, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-485507
DOI:	10.1063/1.3657145
Journal or Publication Title:	Appl. Phys. Lett.
Volume:	99
Number:	19
Date:	2011
Publisher:	AMER INST PHYSICS
Place of Publication:	MELVILLE
ISSN:	0003-6951
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language PERFORMANCE; EFFICIENCY; DYES Multiple languages Physics, Applied Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/48550