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
Citations
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Electron-deficient diketone unit engineering for non-fused ring acceptors enabling over 13% efficiency in organic solar cells
TL;DR: In this paper, two simple non-fused ring electron acceptors, TPDC-4F and BTIC-4Fs, which possess the same terminals and 4H-cyclopenta[1,2-b:5,4-b′]dithiophene unit coupled with different electron-deficient diketone central units, are synthesized.
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Asymmetric Isomer Effects in Benzo[c ][1,2,5]thiadiazole-Fused Nonacyclic Acceptors: Dielectric Constant and Molecular Crystallinity Control for Significant Photovoltaic Performance Enhancement
Wei Gao,Baobing Fan,Feng Qi,Francis Lin,Francis Lin,Rui Sun,Xinxin Xia,Jinhua Gao,Cheng Zhong,Xinhui Lu,Jie Min,Fujun Zhang,Zonglong Zhu,Jingdong Luo,Alex K.-Y. Jen,Alex K.-Y. Jen +15 more
TL;DR: Asymmetric isomerization from BP6T‐4F to ABP6T•4F not only lowers the exciton bonding energy but optimizes the crystallization performance, achieving a pronounced isomer effect with 9.4% power conversion efficiency enhancement.
Journal ArticleDOI
As‐Cast Ternary Organic Solar Cells Based on an Asymmetric Side‐Chains Featured Acceptor with Reduced Voltage Loss and 14.0% Efficiency
Xuebin Chen,Xuebin Chen,Bin Kan,Yuanyuan Kan,Ming Zhang,Sae Byeok Jo,Ke Gao,Francis Lin,Feng Liu,Xiaobin Peng,Yong Cao,Alex K.-Y. Jen,Alex K.-Y. Jen +12 more
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A p-π* conjugated triarylborane as an alcohol-processable n-type semiconductor for organic optoelectronic devices
Yingjian Yu,Yingjian Yu,Changshuai Dong,Changshuai Dong,Abdullah F. Alahmadi,Bin Meng,Jun Liu,Frieder Jäkle,Lixiang Wang +8 more
TL;DR: In this article, a p-π* conjugated organic molecule based on triarylborane was reported as n-type organic semiconductor with unique alcohol solubility.
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.
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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.