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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“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.
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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.
Haiying Jiang,Feilong Pan,Lianjie Zhang,Xiaobo Zhou,Zhen Wang,Yaowen Nian,Cang Liu,Wei Tang,Qiao Ma,Zhenyu Ni,Mingjun Chen,Wei Ma,Yong Cao,Junwu Chen +13 more
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).
Bo Xiao,Mengzhen Du,Mengzhen Du,Xiaochen Wang,Zuo Xiao,Gongqiang Li,Ailing Tang,Liming Ding,Yanfang Geng,Xiangnan Sun,Erjun Zhou,Erjun Zhou +11 more
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.
Journal ArticleDOI
Tuning Morphology of Active Layer by using a Wide Bandgap Oligomer‐Like Donor Enables Organic Solar Cells with Over 18% Efficiency
Wan-Shu Feng,Simin Wu,Hongbin Chen,Lingxian Meng,Fangfang Huang,Huazhe Liang,Jian Zhang,Zhixiang Wei,Xiangjian Wan,Chenxi Li,Zhao-Yu Yao,Yongsheng Chen +11 more
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
Fangfang Cai,Hongjian Peng,Honggang Chen,Jun Yuan,Jiefeng Hai,Tsz-Ki Lau,Ju Wang,Yunbin Hu,Wei Liu,Xinhui Lu,Yingping Zou +10 more
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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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.
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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.