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Dipolar hole-blocking layers for inverted perovskite solar cells: effects of aggregation and electron transport levels

Herein, we report on the synthesis and investigation of two triazino-isoquinoline tetrafluoroborate electrolytes as hole-blocking layers in methylammonium triiodide perovskite photovoltaic devices with fullerene electron extraction layer. We find that increasing the thickness of the dipolar hole-blo...

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Main Authors: Butscher, Julian (Author) , Sun, Qing (Author) , Wu, Yufeng (Author) , Stuck, Fabian (Author) , Hoffmann, Marvin (Author) , Dreuw, Andreas (Author) , Paulus, Fabian (Author) , Hashmi, A. Stephen K. (Author) , Tessler, Nir (Author) , Vaynzof, Yana (Author)
Format: Article (Journal)
Language:English
Published: 17 February 2020
In: JPhys materials
Year: 2020, Volume: 3, Issue: 2, Pages: 1-8
ISSN:2515-7639
DOI:10.1088/2515-7639/ab703b
Online Access:Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1088/2515-7639/ab703b
Verlag, lizenzpflichtig, Volltext: https://iopscience.iop.org/article/10.1088/2515-7639/ab703b
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Author Notes:Julian F. Butscher, Qing Sun, Yufeng Wu, Fabian Stuck, Marvin Hoffmann, Andreas Dreuw, Fabian Paulus, A. Stephen K. Hashmi, Nir Tessler and Yana Vaynzof
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Summary:Herein, we report on the synthesis and investigation of two triazino-isoquinoline tetrafluoroborate electrolytes as hole-blocking layers in methylammonium triiodide perovskite photovoltaic devices with fullerene electron extraction layer. We find that increasing the thickness of the dipolar hole-blocking layer results in a gradual increase in the open-circuit voltage suggesting that aggregation of the molecules can enhance the dipole induced by the layer.
Item Description:Gesehen am 24.03.2021
Physical Description:Online Resource
ISSN:2515-7639
DOI:10.1088/2515-7639/ab703b

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