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J. Korean Ceram. Soc. > Volume 52(2); 2015 > Article
Journal of the Korean Ceramic Society 2015;52(2): 114.
doi: https://doi.org/10.4191/kcers.2015.52.2.114
V2O5-P2O5-ZnO-Sb2O3 Glass Frit Materials with BaO and Al2O3 for Large-sized Dye-sensitized Solar Cell Sealing
Han Sol Lee, Jae Kwon Cho1, Jae Kwon Hwang1, Woon Jin Chung
Advanced Materials Engineering, Kongju National University
$V_2O_5-P_2O_5-ZnO-Sb_2O_3$ glasses modified with BaO and $Al_2O_3$ are synthesized as a sealing material for large-scale dye-sensitized solar cells (DSSCs). A compositional study is performed in order to determine the glass that can be sintered below $500^{circ}C$ with a high chemical stability against the electrolyte. The flow size of the glasses after the heat treatment and the glass stability are increased with the addition of $Al_2O_3$ and BaO, while the glass transition temperature is decreased. After the reaction with the electrolyte at $60^{circ}C$ for 72 h, the addition of 5 mol% of BaO and 2 mol% of $Al_2O_3$ considerably enhances the chemical stability of the glass. X-ray diffraction (XRD) and scanning electron microscope (SEM) are used to examine the reaction between the electrolyte and glasses. The structural contribution of the additives is also investigated and discussed.
Key words: Glass, Sealing, Frit, Vanadate, DSSC
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