30 December 2008 Fe-incorporation into mesoporous SBA-15 materials by direct synthesis and post-synthesis
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Abstract
Fe containing SBA-15 mesoporous material was successfully prepared by direct synthesis and post-synthesis (atomic implantation) methods. The obtained Fe-SBA-15 samples were characterized by different techniques such as XRD, BET, TEM and UV-Vis. It showed that for both methods, Fe containing SBA-15 samples have highly ordered hexagonal nano-structure with large pore size. It revealed the existence of both Fe species: Fe-tetrahedral coordinated and Fe-highly dispersed species. However, higher portion of Fe-highly dispersed species in the samples prepared post-synthesis (atomic implantation) was found. The Fe-SBA-15 catalysts were tested in catalytic oxidation of phenol and red phenol. The results indicated that both Fe-incorporated and Fe-highly dispersed species were active sites. However, the latter exhibited higher activity compared to the former ones.
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Phuong Tuyet Dang, Phuong Tuyet Dang, Hoan Vuong Thi Nguyen, Hoan Vuong Thi Nguyen, Hy Gia Le, Hy Gia Le, Yen Hoang, Yen Hoang, Thang Cao Dinh, Thang Cao Dinh, Linh H. T. Bui, Linh H. T. Bui, Hoa Kim Thi Tran, Hoa Kim Thi Tran, Thang Vinh Hoang, Thang Vinh Hoang, Tuan Anh Vu, Tuan Anh Vu, } "Fe-incorporation into mesoporous SBA-15 materials by direct synthesis and post-synthesis", Proc. SPIE 7267, Smart Materials V, 726718 (30 December 2008); doi: 10.1117/12.810710; https://doi.org/10.1117/12.810710
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