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过渡金属/稀土金属氧化物纳米粒子催化AP热分解研究 被引量:10

Nanometer transition metal oxide and rare earth oxide catalysis on AP thermal decomposition
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摘要 为研究过渡金属氧化物与稀土金属氧化物纳米粒子对高氯酸铵热分解的催化作用,分别制备了过渡金属氧化物纳米粒子(Fe2O3,CuO和Co2O3)和稀土金属氧化物纳米粒子(CeO2,Nd2O3和Y2O3),并进行相互组合。采用多种手段分析表征,发现不同的纳米金属氧化物及其组合物有不同的催化活性,以纳米Co2O3和Y2O3对AP热分解的催化效果最好。其催化机理认为是纳米催化剂与AP的离解产物形成不同形式络合物实现的。 To study the catalysis of nanometer transition metal oxide (TMO) and rare earth oxide (REO) on AP thermal decomposition, nanometer TMO ( Fe203 , CuO and Co203 ) and nanometer REO ( CeO2 , Nd203 and Y203 ) were prepared and compounded. TEM, XRD, BET, DTA and nanometer sizer were employed to analysis properties of these samples. The result indicated that different nanometer metal oxides and their compounds represented different catalysis on AP thermal decomposition. However, nanometer Co203 and Y203 showed outstanding catalysis in TMO and REO, respectively. The catalysis of these nanometer metal oxides is mainly resulted from the different formation of complex compound, which is formed by nanometer metal oxide and decomposition products of AP.
出处 《推进技术》 EI CAS CSCD 北大核心 2006年第1期92-96,共5页 Journal of Propulsion Technology
基金 国家自然科学基金(50306008) 江苏省自然科学基金(BK2003421) 总装预研项目(41328030507)
关键词 纳米材料 稀土金属氧化物 过渡金属化合物 催化 热分解 Nanometer materials Rare earth oxide Transition metal compound Catalysis Thermal decomposition
作者简介 杨毅(1973-),男,博士,研究领域为纳米、微米材料制备技术及应用。E-mail:hcyyi@sina.com
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