Polymer donors based on alkyloxime-substituted thiophene and 6-undecylthiopheno[3,2-b]thiophene for efficient organic solar cells
Li Hu
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, China
Search for more papers by this authorLei Wang
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, China
Search for more papers by this authorCorresponding Author
Linglong Ye
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, China
Correspondence
Songting Tan and Linglong Ye, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, China.
Email: [email protected] and [email protected]
Search for more papers by this authorBin Zhao
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, China
Search for more papers by this authorCorresponding Author
Songting Tan
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, China
Correspondence
Songting Tan and Linglong Ye, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, China.
Email: [email protected] and [email protected]
Search for more papers by this authorLi Hu
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, China
Search for more papers by this authorLei Wang
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, China
Search for more papers by this authorCorresponding Author
Linglong Ye
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, China
Correspondence
Songting Tan and Linglong Ye, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, China.
Email: [email protected] and [email protected]
Search for more papers by this authorBin Zhao
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, China
Search for more papers by this authorCorresponding Author
Songting Tan
Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, China
Correspondence
Songting Tan and Linglong Ye, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, China.
Email: [email protected] and [email protected]
Search for more papers by this authorAbstract
Two new copolymers (named PTO-BO and PTO-HD) with alkyloxime-substituted thiophene (TO) as acceptor unit and 6-undecylthiopheno[3,2-b]thiophene spacer as π-bridge were synthesized and applied in organic solar cells (OSCs) as electron donors. PTO-HD with 2-hexyldecyl side chains on TO moiety possesses more suitable phase separation, more efficient exciton dissociation and charge transportation, and less charge recombination than PTO-BO with 2-butyloctyloxime-substituted thiophene in OSCs with Y6 as the acceptor. As a result, the OSCs based on PTO-HD:Y6 achieved an optimal power conversion efficiency (PCE) of 13.89% with a Voc of 0.799 V, a Jsc of 22.74 mA cm−2, and a FF of 67.67% without additives, which is higher than that (12.29%) of PTO-BO:Y6 OSCs.
Graphical Abstract
Open Research
DATA AVAILABILITY STATEMENT
The data that support the findings of this study are available in the Supporting Information of this article.
Supporting Information
| Filename | Description |
|---|---|
| pol20230883-sup-0001-Supinfo.docxWord 2007 document , 1.9 MB | Data S1: Supplementary Information. |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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