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A Highly Crystallin...
A Highly Crystalline Wide-Band-Gap Conjugated Polymer toward High-Performance As-Cast Nonfullerene Polymer Solar Cells
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- Jiang, Haiying (författare)
- South China University of Technology, Peoples R China
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- Wang, Zhen (författare)
- South China University of Technology, Peoples R China
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- Zhang, Lianjie (författare)
- South China University of Technology, Peoples R China
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- Zhong, Anxing (författare)
- South China University of Technology, Peoples R China
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- Liu, Xuncheng (författare)
- South China University of Technology, Peoples R China
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- Pan, Feilong (författare)
- South China University of Technology, Peoples R China
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- Wanzhu, Cai (författare)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Inganäs, Olle (författare)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Liu, Yi (författare)
- Lawrence Berkeley National Lab, CA 94720 USA
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- Chen, Junwu (författare)
- South China University of Technology, Peoples R China
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- Cao, Yong (författare)
- South China University of Technology, Peoples R China
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(creator_code:org_t)
- 2017-10-05
- 2017
- Engelska.
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Ingår i: ACS Applied Materials and Interfaces. - : AMER CHEMICAL SOC. - 1944-8244 .- 1944-8252. ; 9:41, s. 36061-36069
- 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
- A new wide-band-gap conjugated polymer PBODT was successfully synthesized that showed high crystallinity and was utilized as, the active material in nonfullerene bulk-heterojunction, polymer solar cells (PSCs). The photovoltaic devices based on the as-cast blend films of PBODT with ITIC and IDIC acceptors showed notable power conversion efficiencies (PCEs) of 7.06% and 9:09%, with high open-circuit voltages of 1.00 and 0.93 V that correspond to low energy losses of 0.59 and 0.69 eV, respectively. In the case of PBODT:ITIC, lower exciton quenching efficiency and monomolecular recombination are found for devices with small driving force. On the other hand, the relatively higher driving force and suppressed monomolecular recombination for PBODT:IDIC devices are identified to be the reason for their higher short-circuit current density (J(sc)) and higher PCEs. In addition, when processed with the nonchlorinated solvent 1,2,4-trimethylbenzene, a good, PCE of 8.19% was still, achieved for the IDIC-based device. Our work shows that such wide-band-gap polymers have great potential for the environmentally friendly fabrication of highly efficient PSCs.
Ämnesord
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
Nyckelord
- bulk-heterojunction polymer solar cells; charge-transfer state; crystallinity; energy loss; nonfullerene acceptor; wide-band-gap polymer
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Jiang, Haiying
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Wang, Zhen
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Zhang, Lianjie
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Zhong, Anxing
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Liu, Xuncheng
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Pan, Feilong
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visa fler...
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Wanzhu, Cai
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Inganäs, Olle
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Liu, Yi
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Chen, Junwu
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Cao, Yong
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visa färre...
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