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n-Doping of photoac...
n-Doping of photoactive layer in binary organic solar cells realizes over 18.3% efficiency
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- Li, Danqin (författare)
- East China Normal Univ, Peoples R China
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- Geng, Fushan (författare)
- East China Normal Univ, Peoples R China
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- Hao, Tianyu (författare)
- Shanghai Jiao Tong Univ, Peoples R China
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- Chen, Zeng (författare)
- Zhejiang Univ, Peoples R China
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- Wu, Hongbo (författare)
- Donghua Univ, Peoples R China
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- Ma, Zaifei (författare)
- Donghua Univ, Peoples R China
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- Xue, Qifan (författare)
- South China Univ Technol, Peoples R China
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- Lin, Lina (författare)
- East China Normal Univ, Peoples R China
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- Huang, Rong (författare)
- East China Normal Univ, Peoples R China
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- Leng, Shifeng (författare)
- Shanghai Jiao Tong Univ, Peoples R China
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- Hu, Bingwen (författare)
- East China Normal Univ, Peoples R China
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- Liu, Xianjie (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Wang, Jie (författare)
- Chinese Acad Fishery Sci, Peoples R China
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- Zhu, Haiming (författare)
- Zhejiang Univ, Peoples R China
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- Lv, Menglan (författare)
- Guizhou Univ, Peoples R China
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- Ding, Liming (författare)
- Natl Ctr Nanosci & Technol, Peoples R China
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- Fahlman, Mats (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Bao, Qinye (författare)
- East China Normal Univ, Peoples R China; South China Univ Technol, Peoples R China; Shanxi Univ, Peoples R China
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- Li, Yongfang (författare)
- Chinese Acad Sci, Peoples R China
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(creator_code:org_t)
- ELSEVIER, 2022
- 2022
- Engelska.
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Ingår i: Nano Energy. - : ELSEVIER. - 2211-2855 .- 2211-3282. ; 96
- 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
- Electronic doping of conjugated semiconductor plays a critical role in the fabrication of high efficiency organic optoelectronic devices. Here, we report an organic solar cell (OSC) by doping n-type DMBI-BDZC into one host binary bulk heterojunction (BHJ) photoactive layer comprised of a polymer donor PM6 and a nonfullerene acceptor Y6. The resulting champion device yields a significantly improved power conversion efficiency from 17.17% to 18.33% with an impressive fill factor of 80.20%. It is found that the electrically doped photoactive layer exhibits enhanced and balanced charge carrier mobilities, more effective exciton dissociation, longer carrier lifetime, and suppressed charge recombination with smaller energy loss. The dopant molecule DMBIBDZC also act as a surface morphology modifier of the photoactive layer with enhanced charge transport. This work demonstrates that manipulation of charge transport via adding a low concentration dopant into photoactive layer is a promising approach for further improvement of BHJ OSC performance.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- n-doping; Organic solar cells; Charge transport; Morphology; Power conversion efficiency
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- art (ämneskategori)
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Li, Danqin
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Geng, Fushan
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Hao, Tianyu
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Chen, Zeng
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Wu, Hongbo
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Ma, Zaifei
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visa fler...
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Xue, Qifan
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Lin, Lina
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Huang, Rong
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Leng, Shifeng
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Hu, Bingwen
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Liu, Xianjie
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Wang, Jie
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Zhu, Haiming
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Lv, Menglan
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Ding, Liming
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Fahlman, Mats
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Bao, Qinye
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Li, Yongfang
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visa färre...
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Nano Energy
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