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Synthesis and Characterization of Dioctyloxybenzo[1,2-b:4,3-b ']-dithiophene-Containing Copolymers for Polymer Solar Cells
Zhang, Maojie; Sun, Yeping; Guo, Xia; Cui, Chaohua; He, Youjun; Li, Yongfang
2011-10-11
Source PublicationMACROMOLECULES
ISSN0024-9297
Volume44Issue:19Pages:7625-7631
AbstractA series of D-A copolymers containing dioctyloxybenzo[1,2-b:4,3-b']dithiophene (BdT) donor unit and different acceptor unit of bithiazole (BTz), thiazolo[5,4-d]-thiazole (TTz), dithienylylbenzothiadiazole (DTBT), and dithienyl-pyrrolo[3,4-c]pyrrole-1,4-dione (DPP), PBdT-BTz, PBdT-TTz, PBdT-DTBT, and PBdT-DPP, were synthesized for the application as donor materials in polymer solar cells (PSCs). Bandgaps and HOMO (the highest occupied molecular orbital) energy levels of the copolymers were tuned effectively by using different acceptor units from 2.01 and -5.16 eV for PBdT-BTz, to 1.91 and -5.19 eV for PBdT-TTz, 1.70 and -5.09 eV for PBdT-DTBT, and 1.41 and -5.01 eV for PBdT-DPP. The PSCs based on the blend of PBdT-TTz (with a lower HOMO of -5.19 eV) and PC70BM (1:3 w/w) exhibited a power conversion efficiency of 3.40% with a J(sc) of 5.50 mA/cm(2), a high V-oc of 0.90 V, and a high FF of 68.7%.
DOI10.1021/ma201565f
Indexed BySCI
Language英语
WOS IDWOS:000295487600016
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:54[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72130
Collection中国科学院化学研究所
Corresponding AuthorLi, Yongfang
AffiliationChinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Maojie,Sun, Yeping,Guo, Xia,et al. Synthesis and Characterization of Dioctyloxybenzo[1,2-b:4,3-b ']-dithiophene-Containing Copolymers for Polymer Solar Cells[J]. MACROMOLECULES,2011,44(19):7625-7631.
APA Zhang, Maojie,Sun, Yeping,Guo, Xia,Cui, Chaohua,He, Youjun,&Li, Yongfang.(2011).Synthesis and Characterization of Dioctyloxybenzo[1,2-b:4,3-b ']-dithiophene-Containing Copolymers for Polymer Solar Cells.MACROMOLECULES,44(19),7625-7631.
MLA Zhang, Maojie,et al."Synthesis and Characterization of Dioctyloxybenzo[1,2-b:4,3-b ']-dithiophene-Containing Copolymers for Polymer Solar Cells".MACROMOLECULES 44.19(2011):7625-7631.
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