Articles with "ring electron" as a keyword



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High-Performance Nonfused Ring Electron Acceptors with V-Shaped Side Chains.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202203454

Abstract: Motivated by simplifying the synthesis of nonfullerene acceptor and establishing the relation between molecular structure and photovoltaic performance, two isomeric nonfused ring electron acceptors (o-TT-Cl and m-TT-Cl), whose properties can be adjusted by changing the… read more here.

Keywords: nonfused ring; ring electron; side chains; side ... See more keywords
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Pyrrolo[3,2-b]pyrrole-based fused-ring electron acceptors with strong near-infrared absorption beyond 1000 nm

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Published in 2021 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2021.109705

Abstract: Abstract We present the first report incorporating strongly electron-donating moiety pyrrolo[3,2-b]pyrrole into fused-ring electron acceptors, and design and synthesize two narrow-bandgap nonfullerene acceptor isomers PPIC1 and PPIC2. These two molecules bear the same electron-withdrawing terminal… read more here.

Keywords: fused ring; near infrared; electron acceptors; ring electron ... See more keywords
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Fused-Ring Electron Acceptors for Photovoltaics and Beyond.

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Published in 2020 at "Accounts of chemical research"

DOI: 10.1021/acs.accounts.0c00575

Abstract: ConspectusEmerging solar cells that convert clean and renewable solar energy to electricity, such as organic solar cells (OSCs) and perovskite solar cells (PSCs), have attracted increasing attention owing to some merits such as facile fabrication,… read more here.

Keywords: absorption; ring electron; energy; fused ring ... See more keywords
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Hybrid Nonfused-Ring Electron Acceptors with Fullerene Pendant for High-Efficiency Organic Solar Cells.

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Published in 2020 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c19632

Abstract: The rapid advance of fused-ring electron acceptors (FREAs) has made them a potential substitute to fullerene-based acceptors and offered new avenues for the construction of organic solar cells (OSCs). Nonfused-ring acceptors (NFRAs) could significantly reduce… read more here.

Keywords: organic solar; ring electron; nonfused ring; electron acceptors ... See more keywords
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Highly Efficient Non-Fused-Ring Electron Acceptors Enabled by the Conformational Lock and Structural Isomerization Effects.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c06299

Abstract: Two novel nonfused-ring electron acceptors (N-FREAs) namely DTP-out-F and DTP-in-F, containing 2,5-difluorophenylene central core flanked with DTP blocks and end-capped with IC-2F terminals were designed and synthesized. The C-H···F noncovalent interactions between F atom of… read more here.

Keywords: dtp dtp; ring electron; dtp; isomerization ... See more keywords
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Effect of Steric Hindrance at the Anthracene Core on the Photovoltaic Performance of Simple Nonfused Ring Electron Acceptors.

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Published in 2023 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c22292

Abstract: Solving the contradiction between good solubility and dense packing is a challenge in designing high-performance nonfullerene acceptors. Herein, two simple nonfused ring electron acceptors (o-AT-2Cl and m-AT-2Cl) carrying ortho- or meta-substituted hexyloxy side chains can… read more here.

Keywords: nonfused ring; ring electron; electron acceptors; steric hindrance ... See more keywords
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Length evolution of fused-ring electron acceptors toward optimal blend morphology in polymer solar cells incorporating asymmetric benzodithiophene-based donors

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Published in 2019 at "Journal of Materials Chemistry A"

DOI: 10.1039/c8ta11363g

Abstract: Weakly aggregated donor polymers and small-sized FREAs in appropriate degree can match well with each other. read more here.

Keywords: fused ring; electron acceptors; ring electron; length evolution ... See more keywords
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New roles of fused-ring electron acceptors in organic solar cells

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Published in 2019 at "Journal of Materials Chemistry A"

DOI: 10.1039/c8ta12398e

Abstract: We explore new roles of fused-ring electron acceptors (FREAs) in addition to being an acceptor in a photoactive layer, and use them as an interfacial layer, which significantly improves the performance of organic solar cells. read more here.

Keywords: fused ring; electron acceptors; ring electron; roles fused ... See more keywords
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Highly efficient fused ring electron acceptors based on a new undecacyclic core

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Published in 2021 at "Materials Chemistry Frontiers"

DOI: 10.1039/d0qm00984a

Abstract: Two FREAs, IUIC-O and IUIC-T, based on an undecacyclic core were developed. IUIC-T having a higher extinction coefficient affords aligned energy levels with PBDB-T, finer nanoscale morphology and more orderly molecular stacking, thus achieving more… read more here.

Keywords: ring electron; undecacyclic core; fused ring; efficient fused ... See more keywords