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Additive-induced miscibility regulation and hierarchical morphology enable 17.5% binary organic solar cells

文献类型：期刊论文

作者Lv, Jie2,3; Tang, Hua2,3,4; Huang, Jiaming4; Yan, Cenqi4; Liu, Kuan4; Yang, Qianguang2,3; Hu, Dingqin2; Singh, Ranbir5; Lee, Jawon1; Lu, Shirong2
刊名ENERGY & ENVIRONMENTAL SCIENCE
出版日期2021-04-14
页码9
ISSN号1754-5692
DOI10.1039/d0ee04012f
通讯作者Lu, Shirong(lushirong@cigit.ac.cn) ; Li, Gang(gang.w.li@polyu.edu.hk) ; Kan, Zhipeng(kanzhipeng@cigit.ac.cn)
英文摘要Due to barrierless free charge generation, low charge trapping, and high charge mobilities, the PM6:Y6 organic solar cell (OSC) achieves an excellent power conversion efficiency (PCE) of 15.7%. However, the deficient hole transfer from Y6 to PM6 limits the further enhancement of the device performance. Herein, we demonstrate an additive-induced miscibility and morphology control strategy to achieve the balance of exciton dissociation and charge collection, prompting an increase in the PCE of OSCs composed of PM6:Y6 from 15.7% to 17.5%, which stands as the top PCE value of PM6:Y6 binary OSCs. The external quantum efficiency (EQE) of the optimal device significantly improves in the wavelength range where Y6 harvests photons. Therefore, the short-circuit current density (J(SC)) was enhanced to 26.98 mA cm(-2), achieving 94.4% of the maximum theoretical J(SC) obtained from the identical device configuration. The remarkable performance enhancement mainly results from the miscibility-driven donor and acceptor phase optimization with hierarchical morphology formation, leading to the improved photon-to-electron response of the Y6 phase, enhanced and balanced charge extraction and collection. Our findings highlight the significance of morphology control towards unleashing the full potential of OSC materials.
资助项目National Natural Science Foundation of China[61805245] ; National Natural Science Foundation of China[51961165102] ; CAS Pioneer Hundred Talents Program[E0296102] ; Chongqing Funds for Distinguished Young Scientists[cstc2020jcyj-jqX0018] ; General Program of National Natural Science Foundation of China[62074149] ; artificial intelligence key project of Chongqing[cstc2017rgzn-zdyfX0030] ; Research Grants Council of Hong Kong[15218517] ; Research Grants Council of Hong Kong[C5037-18G] ; Shenzhen Science and Technology Innovation Commission[JCYJ20170413154602102] ; funding for Sir Sze-yuen Chung Endowed Professorship Fund[8-8480] ; Project of Strategic Importance[1-ZE29] ; Hong Kong Polytechnic University[YW3Y]
WOS研究方向Chemistry ; Energy & Fuels ; Engineering ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000644940400001
出版者ROYAL SOC CHEMISTRY
源URL[http://119.78.100.138/handle/2HOD01W0/13577]  
专题中国科学院重庆绿色智能技术研究院
通讯作者Lu, Shirong; Li, Gang; Kan, Zhipeng
作者单位1.Chungnam Natl Univ, Dept Chem Engn & Appl Chem, Daejeon 34134, South Korea
2.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Thin Film Solar Technol Res Ctr, Chongqing 400714, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Hong Kong Polytech Univ, Dept Elect & Informat Engn, Hung Hum, Kowloon, Hong Kong, Peoples R China
5.Dongguk Univ, Dept Energy & Mat Engn, Seoul 04620, South Korea
推荐引用方式
GB/T 7714		 Lv, Jie,Tang, Hua,Huang, Jiaming,et al. Additive-induced miscibility regulation and hierarchical morphology enable 17.5% binary organic solar cells[J]. ENERGY & ENVIRONMENTAL SCIENCE,2021:9.
APA Lv, Jie.,Tang, Hua.,Huang, Jiaming.,Yan, Cenqi.,Liu, Kuan.,...&Kan, Zhipeng.(2021).Additive-induced miscibility regulation and hierarchical morphology enable 17.5% binary organic solar cells.ENERGY & ENVIRONMENTAL SCIENCE,9.
MLA Lv, Jie,et al."Additive-induced miscibility regulation and hierarchical morphology enable 17.5% binary organic solar cells".ENERGY & ENVIRONMENTAL SCIENCE (2021):9.

入库方式： OAI收割

来源：重庆绿色智能技术研究院

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