| Summary: | 碩士 === 淡江大學 === 化學工程與材料工程學系碩士班 === 95 === B2O3-P2O5-SiO2 glass-ceramic(BPSG) powder was prepared by using sol-gel method. The resultant powder was analyzed using DTA-TG, FT-IR, XRD, SEM, and EIS. Effects of various BPSG components were studied. The H3BO3/H3PO4 ratios influence the phases and the electric properties of the obtained powder. If the H3BO3/H3PO4 ratios were more than 0.8, BPO4 was the main phase which TG curve end up in a draw at 500℃ with decreasing conductivity by increasing heat-treated temperature. On the other hand, the H3BO3/H3PO4 ratios were less than 0.8, the main phase became silicon phosphate, which TG curve had weight loss about 1100℃ caused by the decomposition reaction. The conductivity showed less dependence on heat-treated temperature. The maxium conductivity of sample with water is 1.19×10-2 (S/cm).
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