Journal ArticleDOI
18% Efficiency organic solar cells
Qishi Liu,Qishi Liu,Yufan Jiang,Yufan Jiang,Ke Jin,Jianqiang Qin,Jingui Xu,Wenting Li,Ji Xiong,Jinfeng Liu,Zuo Xiao,Kuan Sun,Shangfeng Yang,Xiaotao Zhang,Liming Ding +14 more
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This article is published in Chinese Science Bulletin.The article was published on 2020-01-07. It has received 2154 citations till now. The article focuses on the topics: Organic solar cell.read more
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Internal nanoscale architecture and charge carrier dynamics of wide bandgap non-fullerene bulk heterojunction active layers in organic solar cells
Xinyu Jiang,Hongwon Kim,Peter S. Deimel,Wei Chen,Wei Chen,Wei Cao,Dan Yang,Shanshan Yin,Roy Schaffrinna,Francesco Allegretti,Johannes V. Barth,Martina Schwager,Haodong Tang,Kai Wang,M. Schwartzkopf,Stephan V. Roth,Stephan V. Roth,Peter Müller-Buschbaum +17 more
TL;DR: In this paper, the influence of DIO on the nanoscale film morphology and crystalline structure as well as the charge carrier dynamics of the active layers of a wide-bandgap polymer donor with benzodithiophene units PBDB-T-2F and a non-fullerene small molecule acceptor IT-M are assembled into photovoltaic devices with different amounts of solvent additive 1,8-diiodooctane (DIO).
Journal ArticleDOI
Elucidating End-Group Modifications of Carbazole-Based Nonfullerene Acceptors in Indoor Applications for Achieving a PCE of over 20%
Yi Jia Su,Sheng Ci Huang,Tsung Wei Chen,Li Chieh Chueh,Yong Cui,Ling Hong,Huifeng Yao,Jianhui Hou,Jiun-Tai Chen,Chain-Shu Hsu +9 more
TL;DR: In this article, two DTSiC-based nonfullerene acceptors (NFAs), (2,2'-((2Z,2'Z)-((12-(heptadecan-9-yl)-4,4,7,7-tetraoctyl-7,12-dihydro-4H-thieno[2',3':4,5]silolo[3,2-b]thienO[2,3]-methyl carbazole-2,9-diyl)bis(meth
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Creating Side Transport Pathways in Organic Solar Cells by Introducing Delayed Fluorescence Molecules
Zhen Wang,Zhen Wang,Ruifang Wang,Yang Mi,Kun Lu,Yanan Liu,Chen Yang,Chen Yang,Jianqi Zhang,Xinfeng Liu,Ying Wang,Zhigang Shuai,Zhixiang Wei,Zhixiang Wei +13 more
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~1.2 V open-circuit voltage from organic solar cells
TL;DR: In this article, the authors used a same-A-strategy (SAS) to design efficient donor/acceptor combinations and achieved an improved PCE of 11.5% with a Voc of 1.24 V.
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A universal strategy via polymerizing non-fullerene small molecule acceptors enables efficient all-polymer solar cells with > 1 year excellent thermal stability
TL;DR: In this article , the authors tried to boost the thermal stability of PSCs based on Y-series acceptors by polymerizing Y5-F-Br obtaining PFA1, and established a precise correlation between the molecular structure and device thermal stability.
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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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
TL;DR: 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.
Journal ArticleDOI
An electron acceptor challenging fullerenes for efficient polymer solar cells.
TL;DR: A novel non-fullerene electron acceptor (ITIC) that overcomes some of the shortcomings of fullerene acceptors, for example, weak absorption in the visible spectral region and limited energy-level variability, is designed and synthesized.
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Recent Advances in Bulk Heterojunction Polymer Solar Cells
Journal ArticleDOI
Organic and solution-processed tandem solar cells with 17.3% efficiency
Lingxian Meng,Yamin Zhang,Xiangjian Wan,Chenxi Li,Xin Zhang,Yanbo Wang,Xin Ke,Zuo Xiao,Liming Ding,Ruoxi Xia,Hin-Lap Yip,Yong Cao,Yongsheng Chen +12 more
TL;DR: In this article, a semi-empirical model analysis and using the tandem cell strategy to overcome the low charge mobility of organic materials, leading to a limit on the active-layer thickness and efficient light absorption was performed.