Hot Hydrocarbon‐Solvent Slot‐Die Coating Enables High‐Efficiency Organic Solar Cells with Temperature‐Dependent Aggregation Behavior

Organic solar cells (OSCs) have made rapid progress in terms of their development as a sustainable energy source. However, record‐breaking devices have not shown compatibility with large‐scale production via solution processing in particular due to the use of halogenated environment‐threatening solv...

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Veröffentlicht in:Advanced materials (Weinheim) 2020-10, Vol.32 (39), p.e2002302-n/a, Article 2002302
Hauptverfasser: Zhao, Heng, Naveed, Hafiz Bilal, Lin, Baojun, Zhou, Xiaobo, Yuan, Jian, Zhou, Ke, Wu, Hongbo, Guo, Renjun, Scheel, Manuel A., Chumakov, Andrei, Roth, Stephan V., Tang, Zheng, Müller‐Buschbaum, Peter, Ma, Wei
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container_issue 39
container_start_page e2002302
container_title Advanced materials (Weinheim)
container_volume 32
creator Zhao, Heng
Naveed, Hafiz Bilal
Lin, Baojun
Zhou, Xiaobo
Yuan, Jian
Zhou, Ke
Wu, Hongbo
Guo, Renjun
Scheel, Manuel A.
Chumakov, Andrei
Roth, Stephan V.
Tang, Zheng
Müller‐Buschbaum, Peter
Ma, Wei
description Organic solar cells (OSCs) have made rapid progress in terms of their development as a sustainable energy source. However, record‐breaking devices have not shown compatibility with large‐scale production via solution processing in particular due to the use of halogenated environment‐threatening solvents. Here, slot‐die fabrication with processing involving hydrocarbon‐based solvents is used to realize highly efficient and environmentally friendly OSCs. Highly compatible slot‐die coating with roll‐to‐roll processing using halogenated (chlorobenzene (CB)) and hydrocarbon solvents (1,2,4‐trimethylbenzene (TMB) and ortho‐xylene (o‐XY)) is used to fabricate photoactive films. Controlled solution and substrate temperatures enable similar aggregation states in the solution and similar kinetics processes during film formation. The optimized blend film nanostructures for different solvents in the highly efficient PM6:Y6 blend is adopted to show a similar morphology, which results in device efficiencies of 15.2%, 15.4%, and 15.6% for CB, TMB, and o‐XY solvents. This approach is successfully extended to other donor–acceptor combinations to demonstrate the excellent universality of this method. The results combine a method to optimize the aggregation state and film formation kinetics with the fabrication of OSCs with environmentally friendly solvents by slot‐die coating, which is a critical finding for the future development of OSCs in terms of their scalable production and high‐performance. Highly efficient temperature‐dependent‐aggregation polymer‐based organic solar cells are fabricated by hot slot‐die coating with hydrocarbon solvents. Power conversion efficiencies of 15.2%, 15.4%, and 15.6% are obtained when chlorobenzene, 1,2,4‐trimethylbenzene (TMB), and ortho‐xylene are used, respectively.
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However, record‐breaking devices have not shown compatibility with large‐scale production via solution processing in particular due to the use of halogenated environment‐threatening solvents. Here, slot‐die fabrication with processing involving hydrocarbon‐based solvents is used to realize highly efficient and environmentally friendly OSCs. Highly compatible slot‐die coating with roll‐to‐roll processing using halogenated (chlorobenzene (CB)) and hydrocarbon solvents (1,2,4‐trimethylbenzene (TMB) and ortho‐xylene (o‐XY)) is used to fabricate photoactive films. Controlled solution and substrate temperatures enable similar aggregation states in the solution and similar kinetics processes during film formation. The optimized blend film nanostructures for different solvents in the highly efficient PM6:Y6 blend is adopted to show a similar morphology, which results in device efficiencies of 15.2%, 15.4%, and 15.6% for CB, TMB, and o‐XY solvents. This approach is successfully extended to other donor–acceptor combinations to demonstrate the excellent universality of this method. The results combine a method to optimize the aggregation state and film formation kinetics with the fabrication of OSCs with environmentally friendly solvents by slot‐die coating, which is a critical finding for the future development of OSCs in terms of their scalable production and high‐performance. Highly efficient temperature‐dependent‐aggregation polymer‐based organic solar cells are fabricated by hot slot‐die coating with hydrocarbon solvents. 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However, record‐breaking devices have not shown compatibility with large‐scale production via solution processing in particular due to the use of halogenated environment‐threatening solvents. Here, slot‐die fabrication with processing involving hydrocarbon‐based solvents is used to realize highly efficient and environmentally friendly OSCs. Highly compatible slot‐die coating with roll‐to‐roll processing using halogenated (chlorobenzene (CB)) and hydrocarbon solvents (1,2,4‐trimethylbenzene (TMB) and ortho‐xylene (o‐XY)) is used to fabricate photoactive films. Controlled solution and substrate temperatures enable similar aggregation states in the solution and similar kinetics processes during film formation. The optimized blend film nanostructures for different solvents in the highly efficient PM6:Y6 blend is adopted to show a similar morphology, which results in device efficiencies of 15.2%, 15.4%, and 15.6% for CB, TMB, and o‐XY solvents. This approach is successfully extended to other donor–acceptor combinations to demonstrate the excellent universality of this method. The results combine a method to optimize the aggregation state and film formation kinetics with the fabrication of OSCs with environmentally friendly solvents by slot‐die coating, which is a critical finding for the future development of OSCs in terms of their scalable production and high‐performance. Highly efficient temperature‐dependent‐aggregation polymer‐based organic solar cells are fabricated by hot slot‐die coating with hydrocarbon solvents. Power conversion efficiencies of 15.2%, 15.4%, and 15.6% are obtained when chlorobenzene, 1,2,4‐trimethylbenzene (TMB), and ortho‐xylene are used, respectively.</description><subject>4-trimethylbenzene</subject><subject>Agglomeration</subject><subject>Aggregation behavior</subject><subject>Chemistry</subject><subject>Chemistry, Multidisciplinary</subject><subject>Chemistry, Physical</subject><subject>Chlorobenzene</subject><subject>Coating</subject><subject>Coatings</subject><subject>Dies</subject><subject>Entertainment industry</subject><subject>Environmentally friendly solvents</subject><subject>Green manufacturing</subject><subject>Halogenation</subject><subject>hot slot-die coating</subject><subject>Hydrocarbon refining</subject><subject>hydrocarbon solvents</subject><subject>Hydrocarbons</subject><subject>Kinetics</subject><subject>Large scale productions</subject><subject>Materials Science</subject><subject>Materials Science, Multidisciplinary</subject><subject>Morphology</subject><subject>Nanoscience &amp; 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Naveed, Hafiz Bilal ; Lin, Baojun ; Zhou, Xiaobo ; Yuan, Jian ; Zhou, Ke ; Wu, Hongbo ; Guo, Renjun ; Scheel, Manuel A. ; Chumakov, Andrei ; Roth, Stephan V. ; Tang, Zheng ; Müller‐Buschbaum, Peter ; Ma, Wei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4252-4420cd80552e4fd7698fe7381bc5a529622408807b58491ea23a26702c92844a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>4-trimethylbenzene</topic><topic>Agglomeration</topic><topic>Aggregation behavior</topic><topic>Chemistry</topic><topic>Chemistry, Multidisciplinary</topic><topic>Chemistry, Physical</topic><topic>Chlorobenzene</topic><topic>Coating</topic><topic>Coatings</topic><topic>Dies</topic><topic>Entertainment industry</topic><topic>Environmentally friendly solvents</topic><topic>Green manufacturing</topic><topic>Halogenation</topic><topic>hot slot-die coating</topic><topic>Hydrocarbon refining</topic><topic>hydrocarbon solvents</topic><topic>Hydrocarbons</topic><topic>Kinetics</topic><topic>Large scale productions</topic><topic>Materials Science</topic><topic>Materials Science, Multidisciplinary</topic><topic>Morphology</topic><topic>Nanoscience &amp; 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However, record‐breaking devices have not shown compatibility with large‐scale production via solution processing in particular due to the use of halogenated environment‐threatening solvents. Here, slot‐die fabrication with processing involving hydrocarbon‐based solvents is used to realize highly efficient and environmentally friendly OSCs. Highly compatible slot‐die coating with roll‐to‐roll processing using halogenated (chlorobenzene (CB)) and hydrocarbon solvents (1,2,4‐trimethylbenzene (TMB) and ortho‐xylene (o‐XY)) is used to fabricate photoactive films. Controlled solution and substrate temperatures enable similar aggregation states in the solution and similar kinetics processes during film formation. The optimized blend film nanostructures for different solvents in the highly efficient PM6:Y6 blend is adopted to show a similar morphology, which results in device efficiencies of 15.2%, 15.4%, and 15.6% for CB, TMB, and o‐XY solvents. This approach is successfully extended to other donor–acceptor combinations to demonstrate the excellent universality of this method. The results combine a method to optimize the aggregation state and film formation kinetics with the fabrication of OSCs with environmentally friendly solvents by slot‐die coating, which is a critical finding for the future development of OSCs in terms of their scalable production and high‐performance. Highly efficient temperature‐dependent‐aggregation polymer‐based organic solar cells are fabricated by hot slot‐die coating with hydrocarbon solvents. 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subjects 4-trimethylbenzene
Agglomeration
Aggregation behavior
Chemistry
Chemistry, Multidisciplinary
Chemistry, Physical
Chlorobenzene
Coating
Coatings
Dies
Entertainment industry
Environmentally friendly solvents
Green manufacturing
Halogenation
hot slot-die coating
Hydrocarbon refining
hydrocarbon solvents
Hydrocarbons
Kinetics
Large scale productions
Materials Science
Materials Science, Multidisciplinary
Morphology
Nanoscience & Nanotechnology
organic solar cells
Photovoltaic cells
Physical Sciences
Physics
Physics, Applied
Physics, Condensed Matter
Roll-to-roll processing
Science & Technology
Science & Technology - Other Topics
Slot dies
Solar cells
Solvents
Substrate temperature
Substrates
Sustainable development
Sustainable energy sources
Technology
Temperature dependence
Temperature dependent
temperature-dependent aggregation
Trimethylbenzene
Xylene
title Hot Hydrocarbon‐Solvent Slot‐Die Coating Enables High‐Efficiency Organic Solar Cells with Temperature‐Dependent Aggregation Behavior
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