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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Rational Tuning of Molecular Interaction and Energy Level Alignment Enables High-Performance Organic Photovoltaics
Rui Wang,Jun Yuan,Jun Yuan,Guangchao Han,Tianyi Huang,Wenchao Huang,Jingjing Xue,Hao Cheng Wang,Chunfeng Zhang,Chenhui Zhu,Pei Cheng,Dong Meng,Yuanping Yi,Kung-Hwa Wei,Yingping Zou,Yang Yang +15 more
TL;DR: The selection rule of the donor/acceptor blend is demonstrated by rationally considering the molecular interaction and energy level alignment, and highly efficient OPV devices using both-fluorinated or both-nonfluorinate donor/ acceptor blends are realized.
Journal ArticleDOI
Achieving 19% Power Conversion Efficiency in Planar‐Mixed Heterojunction Organic Solar Cells Using a Pseudosymmetric Electron Acceptor
Wei Gao,Feng Xiao Qi,Zhengxing Peng,Francis Lin,Kui Guang Jiang,Cheng Zhong,Werner Kaminsky,Zhiqiang Guan,Chun-Sing Lee,Tobin J. Marks,Harald Ade,Alex K.-Y. Jen +11 more
TL;DR: In this paper , a record power conversion efficiency of over 19% was achieved in planar-mixed heterojunction (PMHJ) organic solar cells (OSCs) by adopting the asymmetric selenium substitution strategy in making a pseudosymmetric electron acceptor, BS3TSe•4F.
Journal ArticleDOI
Over 14% efficiency all-polymer solar cells enabled by a low bandgap polymer acceptor with low energy loss and efficient charge separation
Qunping Fan,Qiaoshi An,Yuanbao Lin,Yuxin Xia,Qian Li,Ming Zhang,Wenyan Su,Wenyan Su,Wenyan Su,Wenhong Peng,Chunfeng Zhang,Feng Liu,Lintao Hou,Weiguo Zhu,Donghong Yu,Min Xiao,Ellen Moons,Fujun Zhang,Thomas D. Anthopoulos,Olle Inganäs,Ergang Wang,Ergang Wang +21 more
TL;DR: In this paper, a polymer acceptor PF5-Y5 with excellent optical absorption capability (onset extending to ∼880 nm and maximum absorption coefficient exceeding 105 cm−1 in a film), high electron mobility (3.18 × 10−3 cm2 V−1 s−1) and high LUMO level (−3.84 eV) was developed to address such a challenge.
Journal ArticleDOI
Long-range exciton diffusion in molecular non-fullerene acceptors
Yuliar Firdaus,Vincent M. Le Corre,Safakath Karuthedath,Wenlan Liu,Anastasia Markina,Wentao Huang,Shirsopratim Chattopadhyay,Masrur Morshed Nahid,Mohamad Insan Nugraha,Yuanbao Lin,Akmaral Seitkhan,Aniruddha Basu,Weimin Zhang,Iain McCulloch,Harald Ade,John G. Labram,Frédéric Laquai,Denis Andrienko,L. Jan Anton Koster,Thomas D. Anthopoulos +19 more
TL;DR: The exciton diffusion length is measured in a wide range of nonfullerene acceptor molecules using two different experimental techniques based on photocurrent and ultrafast spectroscopy measurements to rationalize the exciton dynamics and draw basic chemical design rules.
Journal ArticleDOI
Desired open-circuit voltage increase enables efficiencies approaching 19% in symmetric-asymmetric molecule ternary organic photovoltaics
Lingling Zhan,Shuixing Li,Yaokai Li,Rui Sun,Jie Min,Zhaozhao Bi,Wei Ma,Zeng Chen,Guangqing Zhou,Hai Yan Zhu,Minmin Shi,Lijian Zuo,Hongzheng Chen +12 more
TL;DR: In this article , the ternary OPVs (TOPVs) consisting of symmetric BTP-eC9 and asymmetric bTP-S9 acceptors with similar absorption profiles were constructed.
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.