A Chlorinated Donor Polymer Achieving High-Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight

Zeng，Anping1,2; Ma，Xiaoling3; Pan，Mingao1,2; Chen，Yuzhong1,2; Ma，Ruijie1,2; Zhao，Heng4; Zhang，Jianquan1,2; Kim，Ha Kyung1,2; Shang，Ao1,2; Luo，Siwei1,2; Angunawela，Indunil Chathurangani5; Chang，Yuan1,2; Qi，Zhenyu1,2; Sun，Huiliang6; Lai，Joshua Yuk Lin1,2; Ade，Harald5; Ma，Wei4; Zhang，Fujun3; Yan，He1,2,7

2021

10.1002/adfm.202102413

ADVANCED FUNCTIONAL MATERIALS   影响因子和分区

1616-301X

1616-3028

In the field of non-fullerene organic solar cells (OSCs), compared to the rapid development of non-fullerene acceptors, the progress of high-performance donor polymers is relatively slow. The property and performance of donor polymers in OSCs are often sensitive to the molecular weight of the polymers. In this study, a chlorinated donor polymer named D18-Cl is reported, which can achieve high performance with a wide range of polymer molecular weight. The devices based on D18-Cl show a higher open-circuit voltage (V) due to the slightly deeper energy levels and an outstanding short-circuit current density (J) owing to the appropriate long periods of blend films and less ([6,6]-phenyl-C71-butyric acid methyl ester) (PCBM) in mixed domains, leading to the higher efficiency of 17.97% than those of the D18-based devices (17.21%). Meanwhile, D18-Cl can achieve high efficiencies (17.30–17.97%) when its number-averaged molecular weight (M) is ranged from 45 to 72 kDa. In contrast, the D18-based devices only exhibit relatively high efficiencies in a narrow M range of ≈70 kDa. Such property and performance make D18-Cl a promising donor polymer for scale-up and low-cost production.

chlorination molecular weight organic solar cells polymer donors

SCI ; EI

英语

NI期刊

其他

WOS:000661965900001

20212510515780

Butyric acid ; Chlorine compounds ; Fullerenes ; Molecular weight ; Open circuit voltage ; Organic polymers

Nanotechnology:761 ; Chemical Products Generally:804 ; Organic Compounds:804.1 ; Organic Polymers:815.1.1 ; Atomic and Molecular Physics:931.3

MATERIALS SCIENCE

2-s2.0-85107946804

Scopus

1.Department of Chemistry,Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials,Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction,Hong Kong University of Science and Technology,Kowloon,Clear Water Bay,999077,Hong Kong
2.HKUST-Shenzhen Research Institute,Shenzhen,No. 9 Yuexing 1st Road, Hi-tech Park, Nanshan,518057,China
3.Key Laboratory of Luminescence and Optical Information,Ministry of Education,Beijing Jiaotong University,Beijing,100044,China
4.State Key Laboratory for Mechanical Behavior of Materials,Xi'an Jiaotong University,Xi'an,710049,China
5.Department of Physics and Organic and Carbon Electronics Laboratories (ORaCEL),North Carolina State University,Raleigh,27695,United States
6.Department of Materials Science and Engineering and The Shenzhen Key Laboratory for Printed Organic Electronics Southern University of Science and Technology (SUSTech),Shenzhen,Xueyuan Road,518055,China
7.Institute of Polymer Optoelectronic Materials and Devices,State Key Laboratory of Luminescent Materials and Devices,South China University of Technology,Guangzhou,510640,China

Zeng，Anping,Ma，Xiaoling,Pan，Mingao,et al. A Chlorinated Donor Polymer Achieving High-Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight[J]. ADVANCED FUNCTIONAL MATERIALS,2021,31.

Zeng，Anping.,Ma，Xiaoling.,Pan，Mingao.,Chen，Yuzhong.,Ma，Ruijie.,...&Yan，He.(2021).A Chlorinated Donor Polymer Achieving High-Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight.ADVANCED FUNCTIONAL MATERIALS,31.

Zeng，Anping,et al."A Chlorinated Donor Polymer Achieving High-Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight".ADVANCED FUNCTIONAL MATERIALS 31(2021).