制备了一种以聚乙烯醇(Poly(vinyl alcohol),PVA)为基,掺杂物为钨硅酸(silicotungstic acid,STA,SiO2·12WO3·26H2O)和二氧化硅的新型有机/无机复合电解质膜.YIIR及XRD分析表明,STA和SiO2被掺杂进复合电解质中;TGA和DSC分析表明,此种复合电解质膜具有很好的热稳定性,能承受115℃的高温.将复合电解质膜应用于SO2传感器中,传感器电流响应信号与SO2气体浓度有较好的线性关系.这种新型的电解质应用于传感器中,能消除液体电解质传感器易漏液或干涸带来的弊端,具有很好的研究价值.
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