| 학회 |
한국고분자학회 |
| 학술대회 |
2010년 가을 (10/07 ~ 10/08, 대구 EXCO) |
| 권호 |
35권 2호 |
| 발표분야 |
분자전자소재 및 소자 |
| 제목 |
Enhanced device performance of organic solar cells containing semiconducting polythiophene derivatives with alkylthiophene side chain. |
| 초록 |
We report the semiconducting polythiophene derivatives with decylthiophenyl side chains, PDTQT for use in organic solar cells. The morphology and structure of the polymer:PCBM blend films were investigated by employing after annealed, by using Transmission electron microscopy (TEM) and X-ray diffraction (XRD) analysis, and the optical and electrical properties were characterized with UV-vis spectroscopy, photoluminescence (PL) and cyclic voltammetry (CV). We have substituted thiophene at side chains to prevent polymer self-assembly and has side chain conjugation. As a result, the polymer revealed lower HOMO level to lead to air stability and showed efficient charge transport and high performance for organic photovoltaic cells. We achieved the high Voc solar cells ; 0.91eV which is much larger than that of P3HT by employing the concept that the difference between the HOMO level of donor and the LUMO level of acceptor has linear relationship with Voc. |
| 저자 |
차효정1, 박종원2, 정대성1, 안태규1, 권순기2, 박찬언1
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| 소속 |
1포항공과대, 2경상대 |
| 키워드 |
유기태양전지; 유기반도체; 고분자
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| E-Mail |
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