三氧化钨(WO3)以其较窄的带隙,成为继二氧化钛(TiO2)之后颇具发展潜力的n型半导体光催化剂.本文采用水热合成法,通过调控反应参数,如原料组成、沉淀时间等,合成了不同形貌和晶型的WO3；采用X射线衍射仪(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)、傅里叶变换红外光谱(FT-IR)、氮气吸附-脱附(N2 adsorption-desorption)等表征了所合成的WO3产品,发现原料组成、沉淀时间等条件对WO3的晶型和形貌都有影响；研究了所合成的WO3产品去除水中亚甲基蓝染料污染物的性能,结果表明,所制备的WO3对水中亚甲基蓝具有较好的去除效果,去除率可达97％.
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