Synthesis of submicron spherical Fe–MCM-48 with actual gyroid like structure
2012
Zhao, Wei | Qin, Ming | Wang, Lina | Chu, Jinglong | Qu, Jingkui | Li, Shaohua | Li, Quanzhi | Qi, Tao
Highly ordered submicron spherical Fe–MCM-48 was successfully synthesized by a mixed surfactant method using cheap water glass as silica source. The gyroid like structure of MCM-48 was captured by a TEM image for the first time, and it was corresponded well to the previous simulated gyroid model. A tentative mechanism of homogenization cooperative process involving the Helmholtz double electrical layer was purposed. After the loading of metal Ag, the resulting Ag/Fe–MCM-48 catalyst showed good catalytic performance in the catalytic combustion of benzene.
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