WFRF:(Zhang Fengling)
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- Zhang, JianyunBeijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; School of Chemical Sciences, University of Chinese Academy of Sciences, China (författare)
Revealing the Critical Role of the HOMO Alignment on Maximizing Current Extraction and Suppressing Energy Loss in Organic Solar Cells
- Artikel/kapitelEngelska2019
Förlag, utgivningsår, omfång ...
- Cell Press,2019
- electronicrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:liu-164834
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-164834URI
- https://doi.org/10.1016/j.isci.2019.08.038DOI
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- Språk:engelska
- Sammanfattning på:engelska
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- For state-of-the-art organic solar cells (OSCs) consisting of a large-bandgap polymer donor and a near-infrared (NIR) molecular acceptor, the control of the HOMO offset is the key to simultaneously achieve small energy loss (Eloss) and high photocurrent. However, the relationship between HOMO offsets and the efficiency for hole separation is quite elusive so far, which requires a comprehensive understanding on how small the driving force can effectively perform the charge separation while obtaining a high photovoltage to ensure high OSC performance. By designing a new family of ZITI-X NIR acceptors (X = S, C, N) with a high structural similarity and matching them with polymer donor J71 forming reduced HOMO offsets, we systematically investigated and established the relationship among the photovoltaic performance, energy loss, and hole-transfer kinetics. We achieved the highest PCEavgs of 14.05 ± 0.21% in a ternary system (J71:ZITI-C:ZITI-N) that best optimize the balance between driving force and energy loss.
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- NATURVETENSKAP Kemi Annan kemi hsv//swe
- NATURAL SCIENCES Chemical Sciences Other Chemistry Topics hsv//eng
- Energy Storage; Materials Characterization; Solid State Physics
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Liu, WenruiBeijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; School of Chemical Sciences, University of Chinese Academy of Sciences, China (författare)
- Zhang, MingSchool of Chemistry and Chemical Engineering, and Center for Advanced Electronic Materials and Devices, Shanghai Jiao Tong University, China (författare)
- Liu, YanfengLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten(Swepub:liu)yanli17 (författare)
- Zhou, GuanqingSchool of Chemistry and Chemical Engineering, and Center for Advanced Electronic Materials and Devices, Shanghai Jiao Tong University, China (författare)
- Xu, ShengjieBeijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, China (författare)
- Zhang, FenglingLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten(Swepub:liu)fenzh60 (författare)
- Zhu, HaimingDepartment of Chemistry, Zhejiang University, China (författare)
- Liu, FengSchool of Chemistry and Chemical Engineering, and Center for Advanced Electronic Materials and Devices, Shanghai Jiao Tong University, China (författare)
- Zhu, XiaozhangBeijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; School of Chemical Sciences, University of Chinese Academy of Sciences, China (författare)
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; School of Chemical Sciences, University of Chinese Academy of Sciences, ChinaSchool of Chemistry and Chemical Engineering, and Center for Advanced Electronic Materials and Devices, Shanghai Jiao Tong University, China (creator_code:org_t)
Sammanhörande titlar
- Ingår i:iScience: Cell Press19, s. 883-8932589-0042
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