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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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High-Performance All-Polymer Solar Cells Enabled by n-Type Polymers with an Ultranarrow Bandgap Down to 1.28 eV.

TL;DR: This is the first example that a PCE of over 10% can be achieved using ultra-NBG polymer acceptors with a photoresponse reaching 950 nm in all-PSCs, demonstrating that ultra- NBG polymeracceptors, in line with nonfullerene small-molecule acceptors, are also available as a highly promising class of electron acceptors for maximizing device performance in all -PSCs.
Journal ArticleDOI

Over 15% efficiency all-small-molecule organic solar cells enabled by a C-shaped small molecule donor with tailorable asymmetric backbone

TL;DR: In this article, two kinds of C-shaped SM donors named FBD-S3 and TBD-S4, bearing subtly tailorable asymmetric central core, are firstly reported.
Journal ArticleDOI

A Vinylene‐Linker‐Based Polymer Acceptor Featuring a Coplanar and Rigid Molecular Conformation Enables High‐Performance All‐Polymer Solar Cells with Over 17% Efficiency

TL;DR: In this paper , a high performance polymer acceptor based on vinylene linkers is reported, which leads to surprising changes in the polymers' molecular conformations, optoelectronic properties, and enhanced photovoltaic performance.
Journal ArticleDOI

Covalent organic frameworks with high quantum efficiency in sacrificial photocatalytic hydrogen evolution

TL;DR: In this paper , a donor-acceptor pair was incorporated into a covalent organic framework nanosheet to increase the lifetime of the charge carrier, achieving an apparent quantum efficiency up to 82.6% at 450 nm using platinum as co-catalyst for photocatalytic H2 evolution.
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.
Journal ArticleDOI

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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