| 학회 |
한국고분자학회 |
| 학술대회 |
2018년 가을 (10/10 ~ 10/12, 경주컨벤션센터) |
| 권호 |
43권 2호 |
| 발표분야 |
분자전자 부문위원회 II |
| 제목 |
Next-generation semiconducting polymers with eco-friendly process and thermal stability for non-additive perovskite and polymer solar cells |
| 초록 |
The effects of the molecular weight (MW) of an environment-friendly processable semiconducting polymer (asy-PBTBDT) on its photovoltaic results and thermal stability of the devices are firstly shown. The asy-PBTBDT with a high MW had the largest μh values because of increase in the π–π stacking along with MW relative to low-MW asy-PBTBDTs. The high-MW asy-PBTBDT with a large μh achieved the highest power conversion efficiencies of 18.2% and 20.0% for the non-doped and doped states in PerSCs, respectively, and 5.7% in PSCs in green processed devices. Moreover, the glass transition temperature increased with an increase in MW; this showed an effective decrease in heat-induced morphological degradation in the photovoltaic devices. As well, as the chain density with MW increases, the robustness against humidity and oxygen is improved. |
| 저자 |
박상아, 이준우, 박철웅, 김해운, 이대환, 박태호
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| 소속 |
POSTECH |
| 키워드 |
Green processing; Semiconducting polymer; Organic Photovoltaic; Perovskite Solar cell; Hole transporting material
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| E-Mail |
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