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http://dx.doi.org/10.4313/JKEM.2018.31.4.244

Improved Adhesion of Solar Cell Cover Glass with Surface-Flourinated Coating Using Atmospheric Pressure Plasma Treatment  

Kim, Taehyeon (Department of Electronic Engineering, Inha University)
Park, Woosang (Department of Electronic Engineering, Inha University)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.31, no.4, 2018 , pp. 244-248 More about this Journal
Abstract
We propose a method for improving the reliability of a solar cell by applying a fluorinated surface coating to protect the cell from the outdoor environment using an atmospheric pressure plasma (APP) treatment. An APP source is operated by radio frequency (RF) power, Ar gas, and $O_2gas$. APP treatment can remove organic contaminants from the surface and improve other surface properties such as the surface free energy. We determined the optimal APP parameters to maximize the surface free energy by using the dyne pen test. Then we used the scratch test in order to confirm the correlation between the APP parameters and the surface properties by measuring the surface free energy and adhesive characteristics of the coating. Consequently, an increase in the surface free energy of the cover glass caused an improvement in the adhesion between the coating layer and the cover glass. After treatment, adhesion between the coating and cover glass was improved by 35%.
Keywords
Atmospheric pressure plasma; Surface treatment; Adhesion;
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