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Revealing the structural effects of non-fullerene acceptors on the performances of ternary organic photovoltaics under indoor light conditions

文献类型：期刊论文

作者Singh, Ranbir1; Duan, Tainan9; Kan, Zhipeng9; Chochos, Christos L.2,3; Kini, Gururaj P.4; Kumar, Manish5; Park, Jongdeok1; Lee, Jaewon6,7,8; Lee, Jae-Joon1
刊名NANO ENERGY
出版日期2020-09-01
卷号75页码:10
关键词Organic photovoltaics Ternary-blend Non-fullerene acceptors Indoor light source Spectrum overlap Perylene diimide Shunt resistance
ISSN号2211-2855
DOI10.1016/j.nanoen.2020.104934
通讯作者Kan, Zhipeng(kanzhipeng@cigit.ac.cn) ; Lee, Jae-Joon(jjlee@dongguk.edu)
英文摘要Strong absorption and tunable energy levels of non-fullerene small molecules offer enormous potential for organic photovoltaics (OPVs) to harvest energy from various light sources. However, the selection of suitable materials with an effective optical, electrical, and compatible morphological properties remains a big challenge. In this work, we demonstrated the effect of employing different non-fullerene acceptors (NFAs) as a crystalline modulator in efficient ternary-blend OPVs for indoor applications. Two different types of NFAs with different chemical structures and crystallinity, i.e. amorphous (PDI2 and PDI4) and semi-crystalline (IDT and IDDT), were introduced as the third component into a host OD:PC71BM binary-blend system. The optimized ternary-blends exhibited the power conversion efficiencies of 20.54% (OD:PC71BM:PDI2), 18.27% (OD:PC71BM:PDI4), 21.13% (OD:PC71BM:IDT), and 19.05% (OD:PC71BM:IDDT), respectively, under indoor light source (1000 lux, LED lamp) thereby completely outperforming the host binary-blend (14.15%). The variation of the OPV performance was investigated and correlated with the photophysical and morphological properties of the corresponding NFAs. Particularly, the addition of semi-crystalline IDT among other NFAs enabled the formation of compact nanoscale morphology with well-dispersion and smaller pi-pi stacking distance, thereby resulting in the efficient charge separation, the faster charge carrier transport, the reduced energetic disorder, and the suppression of non-geminate recombination. Overall, this study indicated that the addition of the third component with appropriate morphological properties can effectively improve the OPV performance under indoor light conditions.
资助项目Technology Development Program to Solve Climate Changes of the National Research Foundation - Ministry of Science, ICT & Future Planning[NRF-2016M1A2A2940912] ; Technology Development Program to Solve Climate Changes of the National Research Foundation - Ministry of Science, ICT & Future Planning[NRF2015M1A2A2054996] ; CAS Pioneer Hundred Talents Program[Y82A060Q10] ; CAS Pioneer Hundred Talents Program[Y92A160Q10] ; CAS Pioneer Hundred Talents Program[E0296102] ; National Natural Science Foundation of China[61805245]
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
语种英语
WOS记录号WOS:000560727700003
出版者ELSEVIER
源URL[http://119.78.100.138/handle/2HOD01W0/11664]  
专题中国科学院重庆绿色智能技术研究院
通讯作者Kan, Zhipeng; Lee, Jae-Joon
作者单位1.Dongguk Univ, Res Ctr Photoenergy Harvesting & Convers Technol, Dept Energy & Mat Engn, Seoul 100715, South Korea
2.Advent Technol SA, Stadiou St, Patras 26504, Greece
3.Natl Hellen Res Fdn, Inst Chem Biol, 48 Vassileos Constantinou Ave, Athens 11635, Greece
4.Konkuk Univ, Dept Chem Engn, 120 Neungdong Ro, Seoul 05029, South Korea
5.Pohang Univ Sci & Technol, Pohang Accelerator Lab, Pohang 37673, South Korea
6.Univ Calif Santa Barbara, Ctr Polymers & Organ Solids, Dept Chem, Santa Barbara, CA 93106 USA
7.Univ Calif Santa Barbara, Ctr Polymers & Organ Solids, Dept Biochem, Santa Barbara, CA 93106 USA
8.Chungnam Natl Univ, Dept Chem Engn & Appl Chem, Daejeon 34134, South Korea
9.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China
推荐引用方式
GB/T 7714		 Singh, Ranbir,Duan, Tainan,Kan, Zhipeng,et al. Revealing the structural effects of non-fullerene acceptors on the performances of ternary organic photovoltaics under indoor light conditions[J]. NANO ENERGY,2020,75:10.
APA Singh, Ranbir.,Duan, Tainan.,Kan, Zhipeng.,Chochos, Christos L..,Kini, Gururaj P..,...&Lee, Jae-Joon.(2020).Revealing the structural effects of non-fullerene acceptors on the performances of ternary organic photovoltaics under indoor light conditions.NANO ENERGY,75,10.
MLA Singh, Ranbir,et al."Revealing the structural effects of non-fullerene acceptors on the performances of ternary organic photovoltaics under indoor light conditions".NANO ENERGY 75(2020):10.

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来源：重庆绿色智能技术研究院

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