| 학회 |
한국고분자학회 |
| 학술대회 |
2019년 가을 (10/09 ~ 10/11, 제주컨벤션센터) |
| 권호 |
44권 2호 |
| 발표분야 |
분자전자 부문위원회 II |
| 제목 |
Exceptional Efficiency Enhancement of Non-Halogenated Solvent Processed Single-Component Polymer Solar Cells Derived from a Highly Crystalline Conjugated Donor-Acceptor Block Copolymer |
| 초록 |
We successfully synthesized a highly crystalline conjugated donor (D)-acceptor (A) block copolymer (PBDT2T-b-N2200) that has good solubility in non-halogenated solvents. Single-component polymer solar cells (SC-PSCs) were fabricated using a PBDT2T-b-N2200 solution in a non-halogenated solvent such as toluene, and PSC created with an annealed film showed the highest power conversion efficiency of 6.43%, which is 2.4-times higher than that made with an annealed blend film of PBDT2T and N2200. Compared to the blend film, the PBDT2T-b-N2200 film exhibited a highly improved surface and internal morphology, as well as a faster photoluminescence decay lifetime, indicating a more efficient photoinduced electron transfer. Moreover, the SC-PSCs exhibit an excellent shelf-life time of over 1,020 h owing to their morphological stability. From these results, block copolymer system is one of efficient strategies to improve miscibility and morphological stability in all polymer blend system. |
| 저자 |
박수홍, 김형종, 김영언, 권나연, 이지혜, 조민주, 최동훈
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| 소속 |
고려대 |
| 키워드 |
single component polymer solar cell; conjugated block copolymer; polymer solar cell
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| E-Mail |
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