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Perfluorinated Self...
Perfluorinated Self-Assembled Monolayers Enhance the Stability and Efficiency of Inverted Perovskite Solar Cells
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- Wolff, Christian M. (author)
- University of Potsdam
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- Canil, Laura (author)
- Helmholtz Association of German Research Centers
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- Rehermann, Carolin (author)
- Helmholtz Association of German Research Centers
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- Ngoc Linh, Nguyen (author)
- Helmholtz Association of German Research Centers
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- Zu, Fengshuo (author)
- Helmholtz Association of German Research Centers
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- Ralaiarisoa, Maryline (author)
- University of Naples Federico II
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- Caprioglio, Pietro (author)
- University of Potsdam
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- Fiedler, Lukas (author)
- University of Potsdam
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- Stolterfoht, Martin (author)
- University of Potsdam
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- Kogikoski, Sergio (author)
- University of Potsdam
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- Bald, Ilko (author)
- University of Potsdam
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- Koch, Norbert (author)
- University of Naples Federico II
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- Unger, Eva L. (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Humboldt University of Berlin,Helmholtz Association of German Research Centers
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- Dittrich, Thomas (author)
- Helmholtz Association of German Research Centers
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- Abate, Antonio (author)
- Helmholtz Association of German Research Centers
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- Neher, Dieter (author)
- University of Potsdam
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(creator_code:org_t)
- 2020-01-07
- 2020
- English 12 s.
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In: ACS Nano. - : American Chemical Society (ACS). - 1936-0851 .- 1936-086X. ; 14:2, s. 1445-1456
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Abstract
Subject headings
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- Perovskite solar cells are among the most exciting photovoltaic systems as they combine low recombination losses, ease of fabrication, and high spectral tunability. The Achilles heel of this technology is the device stability due to the ionic nature of the perovskite crystal, rendering it highly hygroscopic, and the extensive diffusion of ions especially at increased temperatures. Herein, we demonstrate the application of a simple solution-processed perfluorinated self-assembled monolayer (p-SAM) that not only enhances the solar cell efficiency, but also improves the stability of the perovskite absorber and, in turn, the solar cell under increased temperature or humid conditions. The p-i-n-type perovskite devices employing these SAMs exhibited power conversion efficiencies surpassing 21%. Notably, the best performing devices are stable under standardized maximum power point operation at 85 °C in inert atmosphere (ISOS-L-2) for more than 250 h and exhibit superior humidity resilience, maintaining ∼95% device performance even if stored in humid air in ambient conditions over months (∼3000 h, ISOS-D-1). Our work, therefore, demonstrates a strategy towards efficient and stable perovskite solar cells with easily deposited functional interlayers.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- interfaces
- inverted perovskite solar cells
- recombination
- self-assembled monolayers
- stability
Publication and Content Type
- art (subject category)
- ref (subject category)
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ACS Nano
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- By the author/editor
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Wolff, Christian ...
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Canil, Laura
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Rehermann, Carol ...
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Ngoc Linh, Nguye ...
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Zu, Fengshuo
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Ralaiarisoa, Mar ...
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show more...
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Caprioglio, Piet ...
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Fiedler, Lukas
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Stolterfoht, Mar ...
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Kogikoski, Sergi ...
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Bald, Ilko
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Koch, Norbert
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Unger, Eva L.
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Dittrich, Thomas
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Abate, Antonio
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Neher, Dieter
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show less...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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ACS Nano
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Lund University