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针对Pd/SBA-15和MoO3/SBA-15两类催化剂样品,使用N2物理吸附手段对比研究了限域于介孔SBA-15分子筛孔道内活性相Pd与MoO3的聚集形态. 结果表明,金属Pd以颗粒状形态分布在SBA-15分子筛孔道内,氧化物MoO3则以层状形态存在. 并用高分辨透射电镜验证了此分析结果.

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