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Open AccessJournal ArticleDOI

Single-Junction Organic Solar Cell with over 15% Efficiency Using Fused-Ring Acceptor with Electron-Deficient Core

TLDR
In this paper, a ladder-type electron-deficient core-based central fused ring (Dithienothiophen[3.2-b]- pyrrolobenzothiadiazole) with a benzothiadiadiazoles (BT) core was proposed to fine-tune its absorption and electron affinity.
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This article is published in Joule.The article was published on 2019-04-17 and is currently open access. It has received 3513 citations till now. The article focuses on the topics: Organic solar cell & Acceptor.

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Citations
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“N‐π‐N” Type Oligomeric Acceptor Achieves an OPV Efficiency of 18.19% with Low Energy Loss and Excellent Stability

TL;DR: In this paper , a novel Nπ-N type oligomeric acceptor of 2BTP-2F-T, constructed by two small non-fullerene acceptor (NFA) units linked with a thiophene π bridge is reported.
Journal ArticleDOI

Impact of the Siloxane-Terminated Side Chain on Photovoltaic Performances of the Dithienylbenzodithiophene-Difluorobenzotriazole-Based Wide Band Gap Polymer Donor in Non-Fullerene Polymer Solar Cells.

TL;DR: The work suggests that the fine pairing of a siloxane-terminated side chain and an alkyl side chain is benifical for the opitmizing of a conjugated polymer donor towards high performance non-fullerene polymer solar cells.
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Effects of Oxygen Atoms Introduced at Different Positions of Non-Fullerene Acceptors in the Performance of Organic Solar Cells with Poly(3-hexylthiophene).

TL;DR: These results provide a simple and effective strategy to design promising NFAs to pair with classic photovoltaic polymer P3HT and can achieve the high PCEs of 6.56% and 6.31% respectively, which are obvious higher than that of BTA3.
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Tuning Morphology of Active Layer by using a Wide Bandgap Oligomer‐Like Donor Enables Organic Solar Cells with Over 18% Efficiency

TL;DR: In this paper , a wide bandgap oligomer-like donor was synthesized and incorporated into the host PM6:Y6:PC71BM system to tune the morphology of the active layer for better device performance.
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An asymmetric small molecule acceptor for organic solar cells with a short circuit current density over 24 mA cm−2

TL;DR: In this article, an asymmetric hexacyclic fused donor-acceptor-donor (DA′D) type central framework and two electron-deficient 2-(5,6-difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile moieties were used for asymmetric SMA-based organic solar cells.
References
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Journal ArticleDOI

Polymer photovoltaic cells : enhanced efficiencies via a network of internal donor-acceptor heterojunctions

TL;DR: In this paper, the carrier collection efficiency and energy conversion efficiency of polymer photovoltaic cells were improved by blending of the semiconducting polymer with C60 or its functionalized derivatives.
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Long-range corrected hybrid density functionals with damped atom–atom dispersion corrections

TL;DR: The re-optimization of a recently proposed long-range corrected hybrid density functional, omegaB97X-D, to include empirical atom-atom dispersion corrections yields satisfactory accuracy for thermochemistry, kinetics, and non-covalent interactions.
Journal Article

Long-Range Corrected Hybrid Density Functionals with Damped Atom-Atom Dispersion Corrections

TL;DR: Chai and Head-Gordon as discussed by the authors proposed a long-range corrected (LC) hybrid density functional with Damped Atom-Atom Dispersion corrections, which is called ωB97X-D.
Journal ArticleDOI

Bulk heterojunction solar cells with internal quantum efficiency approaching 100

TL;DR: In this paper, a polymer solar cell based on a bulk hetereojunction design with an internal quantum efficiency of over 90% across the visible spectrum (425 nm to 575 nm) is reported.
Journal ArticleDOI

Polymer–Fullerene Composite Solar Cells

TL;DR: Polymer-based organic photovoltaic systems hold the promise for a cost-effective, lightweight solar energy conversion platform, which could benefit from simple solution processing of the active layer.
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