Characterization of a novel super-hydrophilic coating film as a function of different spin coating speeds
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- 作者：Yeun-Ho Joung (1)
Won Seok Choi (2)
Yongtak Shin (3)
Minji Lee (3)
Heekon Kim (3)
Woochang Song (4) - 关键词：Hydrophilic ; Surface energy ; Solar cells and arrays ; Surface cleaning
- 刊名：Journal of the Korean Physical Society
- 出版年：2013
- 出版时间：July 2013
- 年：2013
- 卷：63
- 期：2
- 页码：246-250
- 全文大小：260KB
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Won Seok Choi (2)
Yongtak Shin (3)
Minji Lee (3)
Heekon Kim (3)
Woochang Song (4)
1. Department of Electronic and Control Engineering, Hanbat National University, Daejeon, 305-719, Korea
2. Department of Electrical Engineering, Hanbat National University, Daejeon, 305-719, Korea
3. Wellture Finetech, 608 Techbiz Center, Doryong-dong, Yuseong-gu, Daejeon, 305-500, Korea
4. Department of Electrical Engineering, Kangwon National University, Samcheok, 245-711, Korea - ISSN：1976-8524
文摘
In this paper, the mechanical and the optical characteristics of a novel super-hydrophilic coating material (Wellture Finetech, Korea) are introduced according to the film thickness. Because a waterbased SiO2-abundant material has perfect transparency, as does glass, and a super-hydrophilic property, it can be used as a protection glass for a solar cell module. The film thickness was controlled by selecting several spin speeds in the coating process. After the coating process, the material was cured at around 290 °C for 20 minutes. The hardness of the film was measured using the ASTM D3363 test method, and the adhesion of the film was tested using the ASTM D3359 method. The surface conditions of the film were analyzed via scanning electron microscopy (SEM) and contact-angle measurements. A UV-visible spectrometer was used to measure the optical transmittance of the film. The anti-pollution property of the film (700 rpm) was also tested by pouring regular water on a permanent marker scratch.