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Solid additive engineering enables high-efficiency and eco-friendly all-polymer solar cells
Beihang Univ, Peoples R China.
Beihang Univ, Peoples R China.
Beihang Univ, Peoples R China.
Linköpings universitet, Institutionen för fysik, kemi och biologi, Elektroniska och fotoniska material. Linköpings universitet, Tekniska fakulteten.ORCID-id: 0000-0002-1008-5832
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2022 (Engelska)Ingår i: Matter, ISSN 2590-2393, E-ISSN 2590-2385, Vol. 5, nr 11, s. 4047-4059Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

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.

Ort, förlag, år, upplaga, sidor
ELSEVIER , 2022. Vol. 5, nr 11, s. 4047-4059
Nyckelord [en]
2-MN -processed all-PSCs exhibit
Nationell ämneskategori
Materialkemi
Identifikatorer
URN: urn:nbn:se:liu:diva-190347DOI: 10.1016/j.matt.2022.08.011ISI: 000882462300004OAI: oai:DiVA.org:liu-190347DiVA, id: diva2:1716532
Anmärkning

Funding Agencies|National Natural Science Foundation of China (NSFC) [21734001, 51825301]; ERA.NET through the project NFA4R2ROPV; Office of Science, Office of Basic Energy Sciences, of the US Department of Energy [DE-AC02-05CH11231]

Tillgänglig från: 2022-12-06 Skapad: 2022-12-06 Senast uppdaterad: 2024-01-10

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Zhang, RuiGao, Feng
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Elektroniska och fotoniska materialTekniska fakulteten
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