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V2O5-P2O5-ZnO-Sb2O3 Glass Frit Materials with BaO and Al2O3 for Large-sized Dye-sensitized Solar Cell Sealing

  • Lee, Han Sol (Advanced Materials Engineering, Kongju National University) ;
  • Cho, Jae Kwon (ORION Co., LTD.) ;
  • Hwang, Jae Kwon (ORION Co., LTD.) ;
  • Chung, Woon Jin (Advanced Materials Engineering, Kongju National University)
  • Received : 2015.01.15
  • Accepted : 2015.02.11
  • Published : 2015.03.31

Abstract

$V_2O_5-P_2O_5-ZnO-Sb_2O_3$ 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.

Keywords

Glass;Sealing;Frit;Vanadate;DSSC

Acknowledgement

Supported by : Korea Small and Medium Business Administration

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