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Efficient Semitrans...
Efficient Semitransparent Organic Solar Cells with Tunable Color enabled by an Ultralow-Bandgap Nonfullerene Acceptor
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- Cui, Yong (author)
- Chinese Academic Science, Peoples R China; University of Chinese Academic Science, Peoples R China
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- Yang, Chenyi (author)
- Chinese Academic Science, Peoples R China; University of Science and Technology Beijing, Peoples R China
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- Yao, Huifeng (author)
- Chinese Academic Science, Peoples R China
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- Zhu, Jie (author)
- Chinese Academic Science, Peoples R China; Ocean University of China, Peoples R China
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- Wang, Yuming (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Jia, Guoxiao (author)
- Chinese Academic Science, Peoples R China; University of Science and Technology Beijing, Peoples R China
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- Gao, Feng (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Hou, Jianhui (author)
- Chinese Academic Science, Peoples R China; University of Chinese Academic Science, Peoples R China
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(creator_code:org_t)
- 2017-10-04
- 2017
- English.
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In: Advanced Materials. - : WILEY-V C H VERLAG GMBH. - 0935-9648 .- 1521-4095. ; 29:43
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Semitransparent organic solar cells (OSCs) show attractive potential in power-generating windows. However, the development of semitransparent OSCs is lagging behind opaque OSCs. Here, an ultralow-bandgap non-fullerene acceptor, "IEICO-4Cl", is designed and synthesized, whose absorption spectrum is mainly located in the near-infrared region. When IEICO-4Cl is blended with different polymer donors (J52, PBDB-T, and PTB7-Th), the colors of the blend films can be tuned from purple to blue to cyan, respectively. Traditional OSCs with a nontransparent Al electrode fabricated by J52: IEICO-4Cl, PBDB-T: IEICO-4Cl, and PTB7-Th: IEICO-4Cl yield power conversion efficiencies (PCE) of 9.65 +/- 0.33%, 9.43 +/- 0.13%, and 10.0 +/- 0.2%, respectively. By using 15 nm Au as the electrode, semitransparent OSCs based on these three blends also show PCEs of 6.37%, 6.24%, and 6.97% with high average visible transmittance (AVT) of 35.1%, 35.7%, and 33.5%, respectively. Furthermore, via changing the thickness of Au in the OSCs, the relationship between the transmittance and efficiency is studied in detail, and an impressive PCE of 8.38% with an AVT of 25.7% is obtained, which is an outstanding value in the semitransparent OSCs.
Subject headings
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
Keyword
- nonfullerene acceptors; organic solar cells; semitransparent; tunable color
Publication and Content Type
- ref (subject category)
- art (subject category)
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