16% efficiency all-polymer organic solar cells enabled by a finely tuned morphology via the design of ternary blend
Liu，Tao1,3,12; Yang，Tao2; Ma，Ruijie3,12; Zhan，Lingling5; Luo，Zhenghui3,12; Zhang，Guangye2; Li，Yuan4; Gao，Ke6; Xiao，Yiqun7; Yu，Jianwei8; Zou，Xinhui3,11; Sun，Huiliang3,9; Zhang，Maojie10; Dela Peña，Top Archie11; Xing，Zengshan11; Liu，Heng7; Li，Xiaojun3,12; Li，Gang1; Huang，Jianhua13; Duan，Chunhui4; Wong，Kam Sing11; Lu，Xinhui7; Guo，Xugang9; Gao，Feng8; Chen，Hongzheng5; Huang，Fei4; Li，Yongfang10; Li，Yuliang6; Cao，Yong4; Tang，Bo1; Yan，He3,4,12
|Corresponding Author||Liu，Tao; Chen，Hongzheng; Huang，Fei; Tang，Bo; Yan，He|
There is an urgent demand for all-polymer organic solar cells (AP-OSCs) to gain higher efficiency. Here, we successfully improve the performance to 16.09% by introducing a small amount of BN-T, a B←N-type polymer acceptor, into the PM6:PY-IT blend. It has been found that BN-T makes the active layer, based on the PM6:PY-IT:BN-T ternary blend, more crystalline but meanwhile slightly reduces the phase separation, leading to enhancement of both exciton harvesting and charge transport. From a thermodynamic viewpoint, BN-T prefers to reside between PM6 and PY-IT, and the fraction of this fine-tunes the morphology. Besides, a significantly reduced nonradiative energy loss occurs in the ternary blend, along with the coexistence of energy and charge transfer between the two acceptors. The progressive performance facilitated by these improved properties demonstrates that AP-OSCs can possibly comparably efficient with those based on small molecule acceptors, further enhancing the competitiveness of this device type.
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|WOS Accession No|
Cited Times [WOS]:121
|Document Type||Journal Article|
|Department||Department of Materials Science and Engineering|
1.College of Chemistry,Chemical Engineering and Materials Science,Key Laboratory of Molecular and Nano Probes,Ministry of Education,Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong,Institute of Materials and Clean Energy,Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals,Shandong Normal University,Jinan,250014,China
2.College of New Materials and New Energies,Shenzhen Technology University,Shenzhen,518118,China
3.Department of Chemistry,Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials,Energy Institute and Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction,Hong Kong University of Science and Technology,Clear Water Bay,Hong Kong
4.Institute of Polymer Optoelectronic Materials and Devices,State Key Laboratory of Luminescent Materials and Devices,South China University of Technology,Guangzhou,510640,China
5.State Key Laboratory of Silicon Materials,MOE Key Laboratory of Macromolecular Synthesis and Functionalization,Department of Polymer Science and Engineering,Zhejiang University,Hangzhou,310027,China
6.Science Center for Material Creation and Energy Conversion,Institute of Frontier and Interdisciplinary Science,Shandong University,Qingdao,266237,China
7.Department of Physics,Chinese University of Hong Kong,New Territories,Hong Kong
8.Department of Physics,Chemistry and Biology (IFM),Linköping University,Linköping,SE-58183,Sweden
9.Department of Materials Science and Engineering and The Shenzhen Key Laboratory for Printed Organic Electronics,Southern University of Science and Technology (SUSTech),Shenzhen,No. 1088, Xueyuan Road,China
10.Laboratory of Advanced Optoelectronic Materials,College of Chemistry,Chemical Engineering and Materials Science,Soochow University,Suzhou,215123,China
11.Department of Physics,Hong Kong University of Science and Technology,Kowloon,Clear Water Bay,Hong Kong
12.Hong Kong University of Science and Technology,Shenzhen Research Institute,Nanshan,No. 9 Yuexing first RD, Hi-tech Park,518057,Hong Kong
13.College of Materials Science and Engineering,Huaqiao University,Xiamen,361021,China
Liu，Tao,Yang，Tao,Ma，Ruijie,et al. 16% efficiency all-polymer organic solar cells enabled by a finely tuned morphology via the design of ternary blend[J]. Joule,2021,5(4):914-930.
Liu，Tao.,Yang，Tao.,Ma，Ruijie.,Zhan，Lingling.,Luo，Zhenghui.,...&Yan，He.(2021).16% efficiency all-polymer organic solar cells enabled by a finely tuned morphology via the design of ternary blend.Joule,5(4),914-930.
Liu，Tao,et al."16% efficiency all-polymer organic solar cells enabled by a finely tuned morphology via the design of ternary blend".Joule 5.4(2021):914-930.
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