| 학회 |
한국고분자학회 |
| 학술대회 |
2020년 가을 (10/05 ~ 10/08, 부산컨벤션센터(BEXCO)) |
| 권호 |
45권 1호 |
| 발표분야 |
콜로이드 및 분자조립 부문위원회 I |
| 제목 |
Effect of Isopropyl Alcohol(IPA) on Tin oxide(SnO2) Nanoparticle(NP) Suspension and Dried film for Electron Transport Layer(ETL) of Solar Cell |
| 초록 |
The roll-to-roll(R2R) process is widely adopted to produce large and low-priced flexible devices due to its productivity and scalability. To improve the performance of perovskite solar cells(PSCs), the uniform morphology of SnO2 NP(ETL) on a flexible substrate should be achieved to produce the PSC using a R2R process. Water/IPA solvent is widely used to improve the wettability between SnO2 NP suspension and substrate by controlling the surface tension and NP dispersion, so the effect of co-solvent(IPA) on the suspension should be investigated. In this study, we investigated the effect of co-solvent content on NP aggregations in a solution and surface properties in a dried film. In addition, we utilized the Brownian dynamics simulations to study the structure formation and deformation of NP during drying. The results reported in this presentation help to understand the dynamic behavior of attractive colloidal suspension and the morphology development of the ETL during drying. |
| 저자 |
이승연1, 명진석2, 함동석1, 이재흥1, 김영진1, 최우진2
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| 소속 |
1한국화학(연), 2충남대 |
| 키워드 |
nanoparticle aggreagation; solar cell; ETL; drying; BD simulation
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| E-Mail |
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