采用湿化学法制备了低维氧化铈的纳米棒和纳米颗粒,通过原位X射线粉末衍射、透射电镜和N2物理吸附等技术研究了氧化铈纳米结构对其热稳定性的影响.结果表明,氧化铈纳米棒的稳定性更高.采用浸渍法制备了氧化铈负载的氧化钒催化剂,并用于丙烷氧化脱氢反应中,发现以氧化铈纳米棒为载体的催化剂表现出更高的丙烯选择性,这可能是由于棒状结构的开放性有利于产物丙烯的直接扩散.
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