Single-Junction Organic Solar Cell with over 15% Efficiency Using Fused-Ring Acceptor with Electron-Deficient Core
Jun Yuan,Yunqiang Zhang,Liuyang Zhou,Liuyang Zhou,Guichuan Zhang,Hin-Lap Yip,Tsz-Ki Lau,Xinhui Lu,Can Zhu,Can Zhu,Hongjian Peng,Paul A. Johnson,Mario Leclerc,Yong Cao,Jacek Ulanski,Yongfang Li,Yingping Zou +16 more
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.About:
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.read more
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Understanding the High Performance of over 15% Efficiency in Single-Junction Bulk Heterojunction Organic Solar Cells
Akchheta Karki,Joachim Vollbrecht,Alana L. Dixon,Nora Schopp,Max Schrock,G. N. Manjunatha Reddy,G. N. Manjunatha Reddy,Thuc-Quyen Nguyen +7 more
TL;DR: The synergy of multifaceted characterization and device physics is used to uncover key insights, for the first time, on the structure-property relationships of this high-performing BHJ blend.
Journal ArticleDOI
Optimized active layer morphology toward efficient and polymer batch insensitive organic solar cells.
Kangkang Weng,Linglong Ye,Linglong Ye,Lei Zhu,Jinqiu Xu,Jiajia Zhou,Xiang Feng,Guanghao Lu,Songting Tan,Feng Liu,Yanming Sun +10 more
TL;DR: This work combines the advantages of the fibril network donor and the state of the art Y6 acceptor in a two-step approach to deliver a high efficiency of 16% without batch-to-batch variation.
Journal ArticleDOI
15.34% efficiency all-small-molecule organic solar cells with an improved fill factor enabled by a fullerene additive
Dingqin Hu,Qianguang Yang,Haiyan Chen,Friso Wobben,Vincent M. Le Corre,Ranbir Singh,Tao Liu,Ruijie Ma,Hua Tang,L. Jan Anton Koster,Tainan Duan,He Yan,Zhipeng Kan,Zeyun Xiao,Shirong Lu +14 more
TL;DR: In this article, a miscibility-induced active layer morphology optimization was proposed to improve the performance of solution processed organic solar cells (OSCs) composed of all small molecules (ASM).
Journal ArticleDOI
Controlling Molecular Mass of Low-Band-Gap Polymer Acceptors for High-Performance All-Polymer Solar Cells
TL;DR: In this article, a fused-aromatic-ring-constructed polymer acceptor PYT polymers with different molecular masses (PYTL, PYTM, and PYTH) were used to fine-tune the molecular crystallinity and miscibility.
Journal ArticleDOI
Random terpolymer based on thiophene-thiazolothiazole unit enabling efficient non-fullerene organic solar cells.
Jingnan Wu,Guangwei Li,Jin Fang,Xia Guo,Lei Zhu,Bing Guo,Yulong Wang,Guangye Zhang,Lingeswaran Arunagiri,Feng Liu,He Yan,Maojie Zhang,Yongfang Li,Yongfang Li +13 more
TL;DR: A donor polymer (named PM1) based on a random ternary polymerization strategy that enables highly efficient non-fullerene OSCs with efficiencies reaching 17.6% is reported, and exhibits excellent batch-to-batch reproducibility.
References
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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
Jeng-Da Chai,Martin Head-Gordon +1 more
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
Sung Heum Park,Sung Heum Park,Anshuman Roy,Serge Beaupré,Shinuk Cho,Shinuk Cho,Nelson E. Coates,Ji Sun Moon,Ji Sun Moon,Daniel Moses,Mario Leclerc,Kwanghee Lee,Kwanghee Lee,Alan J. Heeger,Alan J. Heeger +14 more
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.