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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Fused-heterocycle engineering on asymmetric non-fullerene acceptors enables organic solar cells approaching 29 mA/cm2 short-circuit current density
Yuanxia Song,Ziping Zhong,Ling Li,Xin Liu,Jijia Huang,Hao Wu,Ming Li,Zhenhuan Lu,Jiangsheng Yu,Jiefeng Hai +9 more
TL;DR: In this paper, three asymmetric ultra-NBG NFA based on BTA, BT, and BSe electron-deficient fused-ring core, denoted as BTP-N, BT-S, and PBDB-Se were designed and synthesized.
Journal ArticleDOI
Remove the water-induced traps toward improved performance in organic solar cells
Mumin Shi,Tao Wang,Rui Sun,Qiang Wu,Dandan Pei,Hui Wang,Wenyan Yang,Wei Wang,Yao Wu,Guohua Xie,Long Ye,Jie Min,Jie Min +12 more
TL;DR: In this paper, a solvent-water evaporation (SWE) strategy was proposed to remove water-induced traps in photoactive layers, leading to a significant improvement in device performance.
Journal ArticleDOI
The Role of Dynamic and Static Disorder for Charge-Transfer States in Organic Bulk Heterojunction Solar Cells
Clemens Göhler,Carsten Deibel +1 more
TL;DR: In this article , the authors focus on the energetic CT disorder, which can be separated into dynamic and static broadening, and highlight current research results regarding their dominance over the CT state energy.
Journal ArticleDOI
A Wide Bandgap Polymer Donor Composed of Benzodithiophene and Oxime-Substituted Thiophene for High-Performance Organic Solar Cells.
TL;DR: In this paper, the authors used oxime-substituted thiophene (TO) acceptor unit to copolymerize with the benzodithiophene donor unit to form a novel D-A polymer donor, PBDTTO, which has a low-lying highest occupied molecular orbital energy level (EHOMO) of -5.60 eV and a wide bandgap of 2.03 eV, forming complementary absorption and matching energy levels with the narrow bandgap nonfullerene acceptors.
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Ti-Oxo Clusters with Peripheral Alkyl Groups as Cathode Interlayers for Efficient Organic Solar Cells.
Xing Chen,Yingzi Han,Jie Fang,Zhou Zhang,Zhou Zhang,Zhang Yuefeng,Zhao Chaowei,Dongdong Xia,Dong Xiaona,Chengyi Xiao,Yonggang Wu,Shengyong You,Weiwei Li +12 more
TL;DR: In this paper, three independent Ti-oxo clusters (TOCs) that contain 6, 8, and 12 Ti atoms in the cores and alkyl groups on the surface were developed as cathode interlayers in bulk-heterojunction organic solar cells (OSCs).
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.