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

Lee, Han Sol; Cho, Jae Kwon; Hwang, Jae Kwon; Chung, Woon Jin

doi: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 원문보기

한국세라믹학회지 = Journal of the Korean Ceramic Society, v.52 no.2, 2015년, pp.114 - 118

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)

Abstract ▼ AI-Helper

$V_2O_5-P_2O_5-ZnO-Sb_2O_3$ 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.

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제안 방법

system for a large sized DSSC which can be fabricated with conventional sintering process. Al₂O₃ and BaO were added to improve glass stability and their effects on fluidity, chemical stability to the electrolyte and glass stability were investigated. XRD, SEM and Raman spectroscopy were examined to discuss the role of additives to glass structure and chemical resistivity.
In this study, thus, we prepared glass frit materials based on V₂O₅-P₂O₅-ZnO-Sb₂O₃ system for a large sized DSSC which can be fabricated with conventional sintering process. Al₂O₃ and BaO were added to improve glass stability and their effects on fluidity, chemical stability to the electrolyte and glass stability were investigated.
Al₂O₃ and BaO were added to improve glass stability and their effects on fluidity, chemical stability to the electrolyte and glass stability were investigated. XRD, SEM and Raman spectroscopy were examined to discuss the role of additives to glass structure and chemical resistivity.

대상 데이터

SEM (TESCAN, MIRA LMN, Czech) and energy dispersive X-ray spectroscopy were applied to examine the reaction product on the glass surface. Raman spectroscopy (ARAMIS, Horba Jobin Yvon, France) was used to investigate glass structure.

성능/효과

decreased. The optimum composition for this study, thus has been determined as 61.5 mol% and 38.5 mol% of V₂O₅+ P₂O₅ and Sb₂O₃+ZnO, respectively (VPZS0) which showed relatively stable glass formation with the heat treatment at 500℃. BaO and Al₂O₃ were added to improve the glass stability as well as chemical stability against the electrolyte.

후속연구

It should be also mentioned that the addition of BaO and Al₂O₃ weakened the glass network but promoted glass stability after heat treatment. Formation of multi-component phase equilibria by the addition of BaO and Al₂O₃ into VPSZ glass system may hinder the crystallization, which also requires further study.
The 40 inch large sized DSSC has been successfully fabricated using the developed sealing glass and a reliability test is now undergoing. Further study, however, is required to understand the role of Al ion in the glass structure and its influence on the chemical durability.

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