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Development of Efficient and Stable Inverted Bulk Heterojunction (BHJ) Solar Cells Using Different Metal Oxide Interfaces

1
Institute of Materials for Electronics and Energy Technology(I-MEET), Friedrich-Alexander University of Erlangen-Nuremberg, Martensstrasse 7, Erlangen 91058, Germany
2
Bavarian Center for Applied Energy Research (ZAE Bayern), Haberstrasse 2a, Erlangen 91058, Germany
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Author to whom correspondence should be addressed.
Materials 2013, 6(12), 5796-5820; https://doi.org/10.3390/ma6125796
Received: 18 October 2013 / Revised: 2 December 2013 / Accepted: 5 December 2013 / Published: 10 December 2013
(This article belongs to the Special Issue Solar Energy Materials 2013)
Solution-processed inverted bulk heterojunction (BHJ) solar cells have gained much more attention during the last decade, because of their significantly better environmental stability compared to the normal architecture BHJ solar cells. Transparent metal oxides (MeOx) play an important role as the dominant class for solution-processed interface materials in this development, due to their excellent optical transparency, their relatively high electrical conductivity and their tunable work function. This article reviews the advantages and disadvantages of the most common synthesis methods used for the wet chemical preparation of the most relevant n-type- and p-type-like MeOx interface materials consisting of binary compounds AxBy. Their performance for applications as electron transport/extraction layers (ETL/EEL) and as hole transport/extraction layers (HTL/HEL) in inverted BHJ solar cells will be reviewed and discussed. View Full-Text
Keywords: sol-gel methods; metal oxide interfaces; inverted structure; device stability sol-gel methods; metal oxide interfaces; inverted structure; device stability
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MDPI and ACS Style

Litzov, I.; Brabec, C.J. Development of Efficient and Stable Inverted Bulk Heterojunction (BHJ) Solar Cells Using Different Metal Oxide Interfaces. Materials 2013, 6, 5796-5820.

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