| Thienothiophene-based copolymers for high-performance solar cells, employing different orientations of the thiazole group as a pi bridge | |
Zhu, Dangqiang1; Bao, Xichang1,2 ; Zhu, Qianqian1; Gu, Chuantao1; Qiu, Meng1; Wen, Shuguang1; Wang, Junyi1; Shahid, Bilal1; Yang, Renqiang1,3
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| 2017-02-01 | |
| Source Publication | ENERGY & ENVIRONMENTAL SCIENCE
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| Volume | 10Issue:2Pages:614-620 |
| Abstract | In this work, a thiazole moiety was employed as a pi bridge incorporated into the backbone of quinoid polymers. The new strategy combined the characteristics of a thiazole unit with a deep HOMO energy level and a thieno[3,4-b] thiophene moiety (TT) with broad absorption. Two isomeric D-A copolymers, PTBTz-2 and PTBTz-5, were synthesized, with different orientations of the thiazole to the TT moiety. Interestingly, in comparison with PTBTz-5, PTBTz-2 exhibited an even lower HOMO energy level, a higher dipole moment, and a more planar molecular configuration, together with preferable phase domains and good intermixing with PC71BM. Thus, a superior PCE of 9.72% for the photovoltaic device was obtained, with a remarkable J(SC) of 16.84 mA cm(-2), which is among the highest values for a singlejunction solar cell. This is an increase of similar to 40% in PCE in comparison with PTBTz-5 (PCE = 6.91%) and twice as much as for PBT-0F with thiophene as the p-bridge (PCE = 4.5%). This work not only provides a promising high-performance thiazole-containing system, but also reveals that the orientation of the asymmetric unit along the polymer backbone plays a crucial role and should be taken into account in future molecule design. |
| Subtype | Article |
| WOS Headings | Science & Technology ; Physical Sciences ; Technology ; Life Sciences & Biomedicine |
| DOI | 10.1039/c6ee03186b |
| WOS Keyword | FIELD-EFFECT TRANSISTORS ; LOW-BANDGAP POLYMER ; PHOTOVOLTAIC POLYMERS ; CONJUGATED POLYMERS ; SIDE-CHAIN ; DONOR ; ACCEPTOR ; MODULATION ; DEVICES ; BLENDS |
| Indexed By | SCI |
| Language | 英语 |
| WOS Research Area | Chemistry ; Energy & Fuels ; Engineering ; Environmental Sciences & Ecology |
| Funding Organization | National Natural Science Foundation of China(21274161 ; Ministry of Science and Technology of China(2014CB643501 ; Youth Innovation Promotion Association CAS(2016194) ; Key Laboratory of Infrared Imaging Materials and Detectors, SITP, CAS(IIMDKFJJ-14-08) ; 21604092 ; 2010DFA52310) ; 51573205) |
| WOS Subject | Chemistry, Multidisciplinary ; Energy & Fuels ; Engineering, Chemical ; Environmental Sciences |
| WOS ID | WOS:000395679100020 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.qibebt.ac.cn/handle/337004/9317 |
| Collection | 先进有机功能材料研究组 |
| Affiliation | 1.Chinese Acad Sci, CAS Key Lab Biobased Mat, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China 2.Chinese Acad Sci, Shanghai Inst Tech Phys, Key Lab Infrared Imaging Mat & Detectors, Shanghai 200083, Peoples R China 3.South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China |
| Recommended Citation GB/T 7714 | Zhu, Dangqiang,Bao, Xichang,Zhu, Qianqian,et al. Thienothiophene-based copolymers for high-performance solar cells, employing different orientations of the thiazole group as a pi bridge[J]. ENERGY & ENVIRONMENTAL SCIENCE,2017,10(2):614-620. |
| APA | Zhu, Dangqiang.,Bao, Xichang.,Zhu, Qianqian.,Gu, Chuantao.,Qiu, Meng.,...&Yang, Renqiang.(2017).Thienothiophene-based copolymers for high-performance solar cells, employing different orientations of the thiazole group as a pi bridge.ENERGY & ENVIRONMENTAL SCIENCE,10(2),614-620. |
| MLA | Zhu, Dangqiang,et al."Thienothiophene-based copolymers for high-performance solar cells, employing different orientations of the thiazole group as a pi bridge".ENERGY & ENVIRONMENTAL SCIENCE 10.2(2017):614-620. |
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