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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Mesoporous Mn-Zr composite oxides with a crystalline wall: synthesis, characterization and application
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Mesoporous Mn-Zr composite oxides with a crystalline wall: synthesis, characterization and application

机译:具有结晶壁的介孔Mn-Zr复合氧化物:合成,表征和应用

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摘要

Mesoporous Mn-Zr composite oxides (M-MnZr) with a crystalline wall were designed and achieved by a facile one-pot evaporation-induced self-assembly (EISA) strategy. As proved by XRD, HRTEM and SAED characterization, the wall of the obtained mesoporous materials exhibited a typical tetragonal phase of ZrO2. In addition, the introduced manganese species were homogeneously dispersed in the mesoporous skeleton. N-2-physisorption and TEM results showed that all the final materials possessed an obvious mesoporous structure accompanied by a large specific surface area (similar to 120 m(2) g(-1)), big pore volume (similar to 0.2 cm(3) g(-1)) and uniform pore size (similar to 4.9 nm). In addition, the liquid phase oxidation was chosen as the test reaction and the excellent catalytic performance of M-MnZr demonstrated their potential applications in oxidation reactions.
机译:设计并通过一种简便的一锅蒸发诱导自组装(EISA)策略设计了具有结晶壁的中孔Mn-Zr复合氧化物(M-MnZr)。如通过XRD,HRTEM和SAED表征所证明的,所获得的中孔材料的壁表现出典型的ZrO 2的四方相。另外,引入的锰物质均匀地分散在中孔骨架中。 N-2-物理吸附和TEM结果表明,所有最终材料均具有明显的介孔结构,并具有较大的比表面积(约120 m(2)g(-1)),大孔容(约0.2 cm( 3)g(-1))和均匀的孔径(类似于4.9 nm)。此外,选择液相氧化作为测试反应,M-MnZr优异的催化性能证明了其在氧化反应中的潜在应用。

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