掺杂钨盐的偏钛酸经不同时间煅烧制备得到不同阶段的钛钨粉(WO3-TiO2).利用XRD、SEM等对其进行表征,探究煅烧历程对WO3-TiO2微观结构的影响.研究结果表明,随着煅烧时间的延长,TiO2晶粒尺寸逐渐增大,比表面积及SO42-含量逐渐降低.
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