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Solid additive engineering enables high-efficiency and eco-friendly all-polymer solar cells
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- Song, Jiali (author)
- Beihang Univ, Peoples R China
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- Li, Yun (author)
- Beihang Univ, Peoples R China
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- Cai, Yunhao (author)
- Beihang Univ, Peoples R China
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- (creator_code:org_t)
- ELSEVIER, 2022
- 2022
- English.
- In: Matter. - : ELSEVIER. - 2590-2393 .- 2590-2385. ; 5:11, s. 4047-4059
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Currently, morphology optimization of all-polymer solar cells (all-PSCs) strongly depends on the use of solvent additives, which are usually highly toxic and harmful to the environment and human health. Here, we report a green and volatile solid additive, 2-methoxynaphthalene (2-MN). It was found that the incorporation of 2-MN into a PM6:PY-DT blend can effectively manipulate the aggregations of PM6 and PY-DT during film depositing and thermal annealing processes and results in highly ordered molecular packing and favorable phase-separated morphology. Consequently, a re-cord-high efficiency of 17.32% is achieved for the PM6:PY-DT de-vice. Moreover, 2-MN-processed all-PSCs were fabricated by using non-halogenated solvent. High efficiencies of 17.03% and 16.67% are obtained for all-PSCs fabricated under nitrogen atmosphere and ambient conditions, respectively. Our work shows that the utili-zation of 2-MN as a green and solid additive is a simple and feasible strategy to optimize the morphology and sheds new light on eco-friendly fabrication and application of all-PSCs.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- 2-MN -processed all-PSCs exhibit
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Song, Jiali
- Li, Yun
- Cai, Yunhao
- Zhang, Rui
- Wang, Shijie
- Xin, Jingming
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- Han, Lili
- Wei, Donghui
- Ma, Wei
- Gao, Feng
- Sun, Yanming
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- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Matter
- By the university
- Linköping University
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