| 학회 |
한국고분자학회 |
| 학술대회 |
2019년 가을 (10/09 ~ 10/11, 제주컨벤션센터) |
| 권호 |
44권 2호 |
| 발표분야 |
분자전자 부문위원회 II |
| 제목 |
Effect of substituents of thienylene−vinylene−thienylene-based conjugated polymer donors on the performance of organic solar cells |
| 초록 |
Semiconducting polymers consisting of (E)-1,2-di(thiophen-2-yl)ethene (TVT) derivatives and BDTT were designed and synthesized to investigate the effect of fluorine and cyano groups in the 3-position of the thiophene ring in TVT on the photovoltaic properties. This series demonstrated considerable variations in optical, electrochemical, morphological, and charge transporting properties. The polymer with FTVT showed suitable frontier energy levels, favorable face-on orientation, well-mixed and smooth morphology in the blend with PCBM and ITIC. While, the PBDTT-CNTVT showed quite deep frontier energy levels and bimodal orientation of thin film which is unfavorable to operate OPV devices. As a result, the device fabricated using the PBDTT-FTVT exhibited high maximum power conversion efficiency (PCE) of up to 6.50% for ITIC as acceptor and slightly lower PCE of 6.35% for PCBM as acceptor. |
| 저자 |
이택호1, 김희수2, 엽지우1, 황도훈2, 김진영1
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| 소속 |
1울산과학기술원, 2부산대 |
| 키워드 |
conjugated polymer; organic solar cells
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| E-Mail |
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