| Stirring Up Acceptor Phase and Controlling Morphology via Choosing Appropriate Rigid Aryl Rings as Lever Arms in Symmetry-Breaking Benzodithiophene for High-Performance Fullerene and Fullerene-Free Polymer Solar Cells | |
Liu, Deyu1,2; Wang, Junyi1; Gu, Chunyang1; Li, Yonghai1; Bao, Xichang1 ; Yang, Renqiang1
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| 2018-02-22 | |
| Source Publication | ADVANCED MATERIALS
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| ISSN | 0935-9648 |
| Volume | 30Issue:8 |
| Abstract | Two series of new polymers with medium and wide bandgaps to match fullerene (PC71BM) and fullerene-free 3,9-bis(2-methylene-(3-(1,1-dicyanomethylene)-indanone))-5,5,11,11-tetrakis(4-hexylphenyl)-dithieno[2,3-d:2,3-d]-s-indaceno[1,2-b:5,6-b]dithiophene (ITIC) acceptors are designed and synthesized, respectively. For constructing the key donor building blocks, the effective symmetry-breaking strategy is employed. Two common aromatic rings (thiophene and benzene) are chosen as one side substituted groups in the asymmetric benzodithiophene (BDT) monomers. In addition, another rigid benzene ring is inserted between aryl and thioether in the side chains, which results in larger twisting and destroying the aggregation and forming longer lever arms. As a result, highly ordered polymers (PBDTsTh-FBT and PBDTsPh-FBT) with strong aggregation properties can blend well with roughly spherical PC71BM, while amorphous polymers (PBDTsThPh-BDD and PBDTsPhPh-BDD) with long and rigid aryl rings show good miscibility with elongated ITIC, and finally, both devices exhibit excellent power conversion efficiencies over 10%. Thus, it clearly shows that the asymmetric BDT unit is an excellent donor building block to construct highly efficient photovoltaic polymers. Meanwhile, this work demonstrates that it is not necessary that high-performance fullerene-free polymer solar cells (PSCs) require highly ordered microstructures in the blending films, different from the fullerene-based PSCs. |
| Subtype | Article |
| Keyword | Acceptor Phase Aryl Rings Benzodithiophene Morphology Polymer Solar Cells |
| WOS Headings | Science & Technology ; Physical Sciences ; Technology |
| DOI | 10.1002/adma.201705870 |
| WOS Keyword | ORGANIC PHOTOVOLTAICS ; HIGH-EFFICIENCY ; ELECTRON-ACCEPTOR ; BUILDING-BLOCKS ; BAND-GAP ; DESIGN ; SEMICONDUCTORS ; AGGREGATION ; CATHODE ; CHAINS |
| Indexed By | SCI |
| Language | 英语 |
| WOS Research Area | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
| Funding Organization | National Natural Science Foundation of China(51773220 ; Ministry of Science and Technology of China(2014CB643501) ; Department of Science and Technology of Shandong Province(ZR2017ZB0314) ; 51573205 ; 21502205) |
| WOS Subject | Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter |
| WOS ID | WOS:000425449300029 |
| Publisher | WILEY-V C H VERLAG GMBH |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.qibebt.ac.cn/handle/337004/10654 |
| Collection | 先进有机功能材料研究组 |
| Corresponding Author | Yang, Renqiang |
| Affiliation | 1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| Recommended Citation GB/T 7714 | Liu, Deyu,Wang, Junyi,Gu, Chunyang,et al. Stirring Up Acceptor Phase and Controlling Morphology via Choosing Appropriate Rigid Aryl Rings as Lever Arms in Symmetry-Breaking Benzodithiophene for High-Performance Fullerene and Fullerene-Free Polymer Solar Cells[J]. ADVANCED MATERIALS,2018,30(8). |
| APA | Liu, Deyu,Wang, Junyi,Gu, Chunyang,Li, Yonghai,Bao, Xichang,&Yang, Renqiang.(2018).Stirring Up Acceptor Phase and Controlling Morphology via Choosing Appropriate Rigid Aryl Rings as Lever Arms in Symmetry-Breaking Benzodithiophene for High-Performance Fullerene and Fullerene-Free Polymer Solar Cells.ADVANCED MATERIALS,30(8). |
| MLA | Liu, Deyu,et al."Stirring Up Acceptor Phase and Controlling Morphology via Choosing Appropriate Rigid Aryl Rings as Lever Arms in Symmetry-Breaking Benzodithiophene for High-Performance Fullerene and Fullerene-Free Polymer Solar Cells".ADVANCED MATERIALS 30.8(2018). |
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