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中文摘要：
分别在不同H＋离子浓度的酸性环境下,采用溶胶-凝胶法制备纳米多孔WO3粉体。利用粉末X射线衍射仪（XRD）、扫描电子显微镜（SEM）、傅立叶变换红外光谱仪（FT-IR）等分析手段对不同条件下制备的粉末样品晶体结构、微观形貌、透射光谱特性及化学健态结构进行对比研究。结果表明,在其它制备条件相同的情况下,强酸环境可以有效增加溶胶-凝胶的反应速度,而且有利于形成WO3材料的非晶化,可得到呈现交联网状的纳米级多孔结构。
英文摘要：
The nanoporous WO3 powder was prepared by sol-gel method at strong and weak acid condition,respectively.The crystal structure,microstructure,transmittance and chemical performance of the samples were compared through XRD,SEM,FT-IR spectra.Results show that strong acid condition can improve the reaction velocity,facilitate the formation of non-crystal,and be beneficial to forming the network structure.
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