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Molecular Engineeri...
Molecular Engineering of Triphenylamine-Based Non-Fullerene Electron-Transport Materials for Efficient Rigid and Flexible Perovskite Solar Cells
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- Chen, Cheng (författare)
- Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Peoples R China.
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- Li, Hongping (författare)
- Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Peoples R China.
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- Ding, Xingdong (författare)
- Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Peoples R China.
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- Cheng, Ming (författare)
- Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Peoples R China.
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- Li, Henan (författare)
- Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Peoples R China.
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- Xu, Li (författare)
- Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Peoples R China.
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- Qiao, Fen (författare)
- Jiangsu Univ, Sch Energy & Power Engn, Zhenjiang 212013, Peoples R China.
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- Li, Huaming (författare)
- Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Peoples R China.
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- Sun, Licheng, 1962- (författare)
- KTH,Kemi
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Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Peoples R China Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Peoples R China. (creator_code:org_t)
- 2018-10-19
- 2018
- Engelska.
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Ingår i: ACS Applied Materials and Interfaces. - : AMER CHEMICAL SOC. - 1944-8244 .- 1944-8252. ; 10:45, s. 38970-38977
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- There has been a growing interest in the design and synthesis of non-fullerene electron transport materials (ETMs) for perovskite solar cells (PSCs), which may overcome the drawbacks of traditional fullerene derivatives. In this work, a novel donor-acceptor (D-A) structured ETM termed TPA-3CN is presented by molecular engineering of triphenylamine (TPA) as the donor group and (3-cyano-4,5,5-trimethyl-2(5H)-furanylidene) malononitrile as the acceptor group. To further improve the electron mobility and conductivity and achieve excellent photovoltaic performance, a solution processable n-type dopant is introduced during the ETM spin-coating step. After device optimization, PSCs based on the doped TPA-3CN exhibit an impressive power conversion efficiency (PCE) of 19.2% with a negligible hysteresis. Benefitting from the low temperature and good solution processability of ETM TPA-3CN, it was further applied in flexible inverted PSCs and an impressive PCE of 13.2% was achieved, which is among the highest values reported for inverted flexible fullerene-free PSCs.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- perovskite solar cell
- non-fullerene
- flexible device
- electron transport material
- planar structure
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Chen, Cheng
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Li, Hongping
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Ding, Xingdong
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Cheng, Ming
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Li, Henan
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Xu, Li
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Qiao, Fen
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Li, Huaming
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Sun, Licheng, 19 ...
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