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High-efficiency org...
High-efficiency organic solar cells processed from a halogen-free solvent system
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- Su, Yueling (författare)
- Shaanxi Normal Univ, Peoples R China
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- Ding, Zicheng (författare)
- Shaanxi Normal Univ, Peoples R China
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- Zhang, Rui (författare)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Tang, Weibing (författare)
- Shaanxi Normal Univ, Peoples R China
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- Huang, Wenliang (författare)
- Shaanxi Normal Univ, Peoples R China
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- Wang, Zhichao (författare)
- Shaanxi Normal Univ, Peoples R China
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- Zhao, Kui (författare)
- Shaanxi Normal Univ, Peoples R China
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- Wang, Xiaochen (författare)
- Shaanxi Normal Univ, Peoples R China
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- Liu, Shengzhong (Frank) (författare)
- Shaanxi Normal Univ, Peoples R China; Chinese Acad Sci, Peoples R China
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- Li, Yongfang (författare)
- Shaanxi Normal Univ, Peoples R China; Chinese Acad Sci, Peoples R China
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(creator_code:org_t)
- SCIENCE PRESS, 2023
- 2023
- Engelska.
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Ingår i: Science in China Series B. - : SCIENCE PRESS. - 1674-7291 .- 1869-1870. ; 66:8, s. 2380-2388
- 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
- The use of non-halogenated solvents for the green manufacture of high-efficiency organic solar cells (OSCs) is important for their future application. However, the power conversion efficiency (PCE) of the non-halogenated solvent processed OSCs is generally lower than their halogenated counterpart due to the poor film microstructure caused by the solubility issue. Herein, we propose a halogen-free solvent system to optimize film microstructure of the photovoltaic blend based on the polymer donor D18 and small-molecule acceptor (SMA) L8-BO towards high-efficiency OSCs. The solvent system is consisted of a main solvent carbon disulfide and an additive paraxylene, where the former ensures the good solution-processability and promotes the solution aggregation of L8-BO, and the latter can finely control the phase-separation process by selectively dissolving the SMA. This solvent combination robustly produces a high-quality active layer, i.e., the bicontinuous networks of donor and acceptor with nano-sized phase-separation and strong & pi;-& pi; stacking. With the effective charge generation, transport and collection, the resulting device from the non-halogenated solvent system shows a high PCE of 17.50%, which is comparable to that of the device prepared from the halogenated solvent chloroform (ca. 17.11%). This article proposes a new strategy for the green fabrication of high-efficiency OSCs to accelerate their industrialization.
Ämnesord
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
Nyckelord
- organic solar cells; small molecule acceptor; film microstructure; non-halogenated solvent; solvent engineering
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Su, Yueling
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Ding, Zicheng
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Zhang, Rui
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Tang, Weibing
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Huang, Wenliang
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Wang, Zhichao
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Zhao, Kui
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Wang, Xiaochen
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Liu, Shengzhong ...
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Li, Yongfang
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Annan kemi
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Science in China ...
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Linköpings universitet