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Chloride-Based Addi...
Chloride-Based Additive Engineering for Efficient and Stable Wide-Bandgap Perovskite Solar Cells
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- Shen, Xinyi (author)
- University of Oxford
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- Gallant, Benjamin M. (author)
- University of Oxford
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- Holzhey, Philippe (author)
- University of Oxford
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- Smith, Joel A. (author)
- University of Oxford
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- Elmestekawy, Karim A. (author)
- University of Oxford
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- Yuan, Zhongcheng (author)
- University of Oxford
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- Rathnayake, P. V.G.M. (author)
- University of Sydney
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- Bernardi, Stefano (author)
- University of Sydney
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- Dasgupta, Akash (author)
- University of Oxford
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- Kasparavicius, Ernestas (author)
- Center for Physical Sciences and Technology, Lithuania
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- Malinauskas, Tadas (author)
- Kaunas University of Technology
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- Caprioglio, Pietro (author)
- University of Oxford
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- Shargaieva, Oleksandra (author)
- Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
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- Lin, Yen Hung (author)
- University of Oxford
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- McCarthy, Melissa M. (author)
- University of Oxford
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- Unger, Eva (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,LTH profilområde: Nanovetenskap och halvledarteknologi,LTH profilområden,LU profilområde: Ljus och material,Lunds universitets profilområden,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Nanoscience and Semiconductor Technology,LTH Profile areas,Faculty of Engineering, LTH,LU Profile Area: Light and Materials,Lund University Profile areas,Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
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- Getautis, Vytautas (author)
- Kaunas University of Technology
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- Widmer-Cooper, Asaph (author)
- University of Sydney
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- Herz, Laura M. (author)
- University of Oxford,Technical University of Munich
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- Snaith, Henry J. (author)
- University of Oxford
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(creator_code:org_t)
- 2023
- 2023
- English.
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In: Advanced Materials. - 0935-9648. ; 35:30
- Related links:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Metal halide perovskite based tandem solar cells are promising to achieve power conversion efficiency beyond the theoretical limit of their single-junction counterparts. However, overcoming the significant open-circuit voltage deficit present in wide-bandgap perovskite solar cells remains a major hurdle for realizing efficient and stable perovskite tandem cells. Here, a holistic approach to overcoming challenges in 1.8 eV perovskite solar cells is reported by engineering the perovskite crystallization pathway by means of chloride additives. In conjunction with employing a self-assembled monolayer as the hole-transport layer, an open-circuit voltage of 1.25 V and a power conversion efficiency of 17.0% are achieved. The key role of methylammonium chloride addition is elucidated in facilitating the growth of a chloride-rich intermediate phase that directs crystallization of the desired cubic perovskite phase and induces more effective halide homogenization. The as-formed 1.8 eV perovskite demonstrates suppressed halide segregation and improved optoelectronic properties.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- additive engineering
- crystallization mechanism
- halide homogenization
- perovskite solar cells
- suppressed halide segregation
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Shen, Xinyi
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Gallant, Benjami ...
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Holzhey, Philipp ...
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Smith, Joel A.
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Elmestekawy, Kar ...
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Yuan, Zhongcheng
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show more...
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Rathnayake, P. V ...
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Bernardi, Stefan ...
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Dasgupta, Akash
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Kasparavicius, E ...
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Malinauskas, Tad ...
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Caprioglio, Piet ...
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Shargaieva, Olek ...
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Lin, Yen Hung
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McCarthy, Meliss ...
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Unger, Eva
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Getautis, Vytaut ...
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Widmer-Cooper, A ...
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Herz, Laura M.
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Snaith, Henry J.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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Advanced Materia ...
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Lund University