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二氧化锆三维有序大孔材料的制备及孔壁特性

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Abstract:

高比表面积、内部连通有序网络结构的ZrO2三维有序大孔材料,在太阳能电池、锂电池、化学催化等领域具有重要的应用前景。采用聚苯乙烯胶体晶体为模板,ZrOCl2·8H2O为锆源,通过高温热解法获得ZrO2三维有序大孔结构。采用扫描电子显微镜、透射电子显微镜、能量色散谱以及红外光谱对三维有序大孔孔壁的显微结构和化学组成等特性进行研究。结果表明通过改变热处理温度和聚苯乙烯球尺寸,可对三维有序大孔结构进行调控;在450~550℃煅烧温度范围内,可得到表面负载有—C—O基团的单斜相ZrO2三维有序大孔材料。

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