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논문 기본 정보

자료유형
학술저널
저자정보
Sooyong Lee (Kyungpook National University) Hwajeong Kim (Kyungpook National University) Chulyeon Lee (Kyungpook National University) Youngkyoo Kim (Kyungpook National University)
저널정보
한국태양광발전학회 Current Photovoltaic Research Current Photovoltaic Research Vol.7 No.3
발행연도
2019.9
수록면
55 - 60 (6page)

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초록· 키워드

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Polymer:nonfullerene solar cells with an inverted-type device structure were fabricated by employing the bulk heterojunction (BHJ) active layers, which are composed of poly[(2,6-(4,8-bis(5-(2-ethylhexyl)thiophene-2-yl)-benzo[1,2-b:4,5-b’]dithiophene))- alt-(5,5-(1’,3’-di-2-thienyl-5’,7-bis(2-ethylhexyl)benzo[1’,2’-c:4’,5’-c’]dithiophene-4,8-dione))] (PBDB-T) and 3,9-bis(6-methyl-2-methylene- (3-(1,1-dicyanomethylene)-indanone))-5,5,11,11-tetrakis(4-hexylphenyl)-dithieno[2,3-d:2’,3-d’]-s-indaceno[1,2-b:5,6-b’]dithiophene (IT-M). The BHJ layers were formed on a pre-patterned indium-tin oxide (ITO)-coated glass substrate by spin-coating using the blend solutions of PBDB-T and IT-M. The solar cell performances were investigated with respect to the cell position on the ITO-glass substrates. In addition, the short-term shelf lifetime of solar cells was tested by storing the PBDB-T:IT-M solar cells in a glovebox filled with inert gas. The results showed that the performance of solar cells was relatively higher for the cells close to the center of substrates, which was maintained even after storage for 24 h. In particular, the PCE of PBDB-T:IT-M solar cells was marginally decreased after storage for 24 h owing to the slightly reduced fill factor, even though the open circuit voltage was unchanged after 24 h.

목차

ABSTRACT
1. Introduction
2. Experimental Section
3. Results and Discussion
4. Conclusions
References

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