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
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TLDR
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.Abstract:
Although organic photovoltaic (OPV) cells have many advantages, their performance still lags far behind that of other photovoltaic platforms. A fundamental reason for their low performance is the low charge mobility of organic materials, leading to a limit on the active-layer thickness and efficient light absorption. In this work, guided by a semi-empirical model analysis and using the tandem cell strategy to overcome such issues, and taking advantage of the high diversity and easily tunable band structure of organic materials, a record and certified 17.29% power conversion efficiency for a two-terminal monolithic solution-processed tandem OPV is achieved.read more
Citations
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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
Journal ArticleDOI
Over 16% efficiency organic photovoltaic cells enabled by a chlorinated acceptor with increased open-circuit voltages
Yong Cui,Huifeng Yao,Jianqi Zhang,Tao Zhang,Yuming Wang,Ling Hong,Kaihu Xian,Bowei Xu,Shaoqing Zhang,Shaoqing Zhang,Jing Peng,Zhixiang Wei,Feng Gao,Jianhui Hou +13 more
TL;DR: This study demonstrates that finely tuning the OPV materials to reduce the bandgap-voltage offset has great potential for boosting the efficiency and unexpectedly obtain higher open-circuit voltages and achieve a record high PCE of 16.5% by chlorination.
Journal ArticleDOI
Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells
Chao Li,Jiadong Zhou,Jiali Song,Jinqiu Xu,Huotian Zhang,Xuning Zhang,Jing Guo,Lei Zhu,Donghui Wei,Guangchao Han,Jie Min,Yuan Zhang,Zengqi Xie,Yuanping Yi,He Yan,Feng Gao,Feng Liu,Yanming Sun +17 more
TL;DR: Li et al. as discussed by the authors showed that branched alkyl chains in non-fullerene acceptors allow favorable morphology in the active layer, enabling a certified device efficiency of 17.32% with a fill factor of 81.5% for single-junction organic solar cells.
Journal ArticleDOI
Achieving over 16% efficiency for single-junction organic solar cells
TL;DR: In this paper, two non-fullerene acceptors were matched with a wide-bandgap polymer donor P2F-EHp consisting of an imide-functionalized benzotriazole moiety, as these materials presented complementary absorption and well-matched energy levels.
Journal ArticleDOI
Alkyl Chain Tuning of Small Molecule Acceptors for Efficient Organic Solar Cells
Kui Jiang,Kui Jiang,Qingya Wei,Joshua Yuk Lin Lai,Zhengxing Peng,Ha Kyung Kim,Jun Yuan,Long Ye,Harald Ade,Yingping Zou,He Yan +10 more
TL;DR: In this paper, a small molecule acceptor (SMA) with 3rd position branched alkyl chains was designed and synthesized to investigate the influence of alkyls on the properties and performance of the SMAs.
References
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TL;DR: In this article, an upper theoretical limit for the efficiency of p−n junction solar energy converters, called the detailed balance limit of efficiency, has been calculated for an ideal case in which the only recombination mechanism of holeelectron pairs is radiative as required by the principle of detailed balance.
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Woon Seok Yang,Jun Hong Noh,Nam Joong Jeon,Young Chan Kim,Seungchan Ryu,Jangwon Seo,Sang Il Seok +6 more
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Design Rules for Donors in Bulk‐Heterojunction Solar Cells—Towards 10 % Energy‐Conversion Efficiency
Markus C. Scharber,David Mühlbacher,Markus Koppe,Patrick Denk,Christoph Waldauf,Alan J. Heeger,Christoph J. Brabec +6 more
TL;DR: In this article, the authors presented a review of several organic photovoltaics (OPV) technologies, including conjugated polymers with high-electron-affinity molecules like C60 (as in the bulk-heterojunction solar cell).
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
Synthesis of Conjugated Polymers for Organic Solar Cell Applications
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