以偏钨酸铵为钨源,聚乙二醇1000为配位聚合物合成了前驱体溶胶,并用浸渍提拉法在FTO导电玻璃上制备了WO3薄膜,研究了不同pH值对WO3薄膜结构和光电性质的影响.实验结果表明,降低pH值有利于提高溶胶的稳定性；不同pH值条件下制得的薄膜均为立方晶相,且具有不同的颗粒尺寸；在500W氙灯照射下,pH=2.8时,颗粒尺寸为60nm,样品的光电流密度达到最大.
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