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Exploring the effec...
Exploring the effect of electric field on charge-transfer states at non-fullerene D/A interface
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- Wang, Xinyue (författare)
- Liaoning University
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- Guo, Huijie (författare)
- Liaoning University
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- Kang, Dawei (författare)
- Liaoning University
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- Pullerits, Tõnu (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,LTH profilområde: Nanovetenskap och halvledarteknologi,LTH profilområden,LTH profilområde: Avancerade ljuskällor,LU profilområde: Ljus och material,Lunds universitets profilområden,Other operations, LTH,Faculty of Engineering, LTH,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Nanoscience and Semiconductor Technology,LTH Profile areas,Faculty of Engineering, LTH,LTH Profile Area: Photon Science and Technology,Faculty of Engineering, LTH,LU Profile Area: Light and Materials,Lund University Profile areas
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- Song, Peng (författare)
- Liaoning University
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: Journal of Molecular Liquids. - 0167-7322. ; 390
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Using Marcus theory, the electric-field-dependent charge-separation dynamics of non-fullerene acceptors D/A heterojunctions are simulated. On the D/A interface, the excited-state characteristics show obvious differences under different electric field intensities, providing microscopic details of the non-fullerene D/A interface at the atomic level. For different electric field conditions, so the calculated reorganization energy ranges from 0.97 to 1 eV. By comparing other charge transfer parameters of this system, it was found that the reorganization energy mainly determines the charge-transfer rate. The results show that the charge transfer rate does exhibit a variation that depends on the electric field intensity and is consistent with the variation in the Marcus inverted region. By evaluating the rate of charge separation/recombination, it is judged that its charge separation shows significant advantages, and the trifurcated structure of the molecule also provides multiple charge transfer paths for charge separation, which contributes to the charge generation mechanism.
Ämnesord
- NATURVETENSKAP -- Kemi -- Teoretisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
Nyckelord
- Charge recombination
- Charge separation
- External electric field
- Heterojunction interface
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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