ArticleiScience2019
Isomer-free: Precise Positioning of Chlorine-Induced Interpenetrating Charge Transfer for Elevated Solar Conversion.
Article in iScience, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Novel Isoindigo-Based Organic Semiconductors End Capped with 1,1-Dicyanomethylene-3-Indanone: Effect of the Bromination and Position of Bromine Substituents on the Chemical-Physical and Electrical Properties.Molecules (Basel, Switzerland) · 2025Article
- The Balance Effect of π-π Electronic Coupling on NIR-II Emission and Photodynamic Properties of Highly Hydrophobic Conjugated Photosensitizers.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- The principles, design and applications of fused-ring electron acceptors.Nature reviews. Chemistry · 2022Review
- Y6 Organic Thin-Film Transistors with Electron Mobilities of 2.4 cmAdvanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
- Designs and understanding of small molecule-based non-fullerene acceptors for realizing commercially viable organic photovoltaics.Chemical science · 2021Review
- Unraveling the influence of non-fullerene acceptor molecular packing on photovoltaic performance of organic solar cells.Nature communications · 2020Article
- Delocalization of exciton and electron wavefunction in non-fullerene acceptor molecules enables efficient organic solar cells.Nature communications · 2020Article
- Chlorination: An Effective Strategy for High-Performance Organic Solar Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2020Review
- Progress in Stability of Organic Solar Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2020Review
- Bromination: An Alternative Strategy for Non-Fullerene Small Molecule Acceptors.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2020Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The influence caused by the position of the chlorine atom on end groups of two non-fullerene acceptors (ITIC-2Cl-δ and ITIC-2Cl-γ) was intensely investigated. The single-crystal structures show that ITIC-2Cl-γ has a better molecular planarity and closer π-π interaction distance. More importantly, a 3D rectangle-like interpenetrating network is formed in ITIC-2Cl-γ and is beneficial to rapid charge transfer along multiple directions, whereas only a linear stacked structure could be observed in ITIC-2Cl-δ. The two acceptor-based solar cells show power conversion efficiencies (PCEs) over 11%, higher than that of the ITIC-2Cl-m-based device (10.85%). An excellent PCE of 13.03% is obtained by the ITIC-2Cl-γ-based device. In addition, the ITIC-2Cl-γ-based device also shows the best device stability. This study indicates that chlorine positioning has a great impact on the acceptors; more importantly, the 3D network structure may be a promising strategy for non-fullerene acceptors to improve the PCE and stability of organic solar cells.
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