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Direct synthesis of highly ordered Fe-SBA-15 mesoporous materials under weak acidic conditions
Li, Y; Feng, ZC; Lian, YX; Sun, KQ; Zhang, L; Jia, GQ; Yang, QH; Li, C; Yang QH(杨启华); Li C(李灿); Yang QH(杨启华); Li C(李灿)
关键词Fe-sba-15 Mesoporous Materials Isolated Iron Ions Salt Effect Uv Resonance Raman Spectra
刊名MICROPOROUS AND MESOPOROUS MATERIALS
2005-09-15
DOI10.1016/j.micromeso.2005.05.021
84期:1-3页:41-49
收录类别SCI
文章类型Article
部门归属5
项目归属506,503
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]RESONANCE RAMAN-SPECTROSCOPY ; MOLECULAR-SIEVES ; CATALYTIC PERFORMANCE ; ROOM-TEMPERATURE ; AQUEOUS-SOLUTION ; NITROUS-OXIDE ; TS-1 ZEOLITE ; SBA-15 ; SILICA ; TITANIUM
英文摘要Iron-substituted SBA-15 (Fe-SBA-15) materials have been synthesized via a simple direct hydrothermal method under weak acidic conditions. The powder X-ray diffraction (XRD), NZ sorption and transmission electron microscopy (TEM) characterizations show that the resultant materials have well-ordered hexagonal meso-structures. The diffused reflectance UV-vis and UV resonance Raman spectroscopy characterizations show that most of the iron ions exist as isolated framework species for calcined materials when the Fe/Si molar ratios are below 0.01 in the gel. The presence of iron species also has significant salt effects that can greatly improve the ordering of the mesoporous structure. Different iron species including isolated framework iron species, extraframework iron clusters and iron oxides are formed selectively by adjusting the pH values of the synthesis solutions and Fe/Si molar ratios. (c) 2005 Elsevier Inc. All rights reserved.
语种英语
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WOS记录号WOS:000232036300006
引用统计
被引频次:134[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/92501
专题中国科学院大连化学物理研究所
通讯作者Yang QH(杨启华); Li C(李灿); Yang QH(杨启华); Li C(李灿)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Li, Y,Feng, ZC,Lian, YX,et al. Direct synthesis of highly ordered Fe-SBA-15 mesoporous materials under weak acidic conditions[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2005,84(1-3):41-49.
APA Li, Y.,Feng, ZC.,Lian, YX.,Sun, KQ.,Zhang, L.,...&李灿.(2005).Direct synthesis of highly ordered Fe-SBA-15 mesoporous materials under weak acidic conditions.MICROPOROUS AND MESOPOROUS MATERIALS,84(1-3),41-49.
MLA Li, Y,et al."Direct synthesis of highly ordered Fe-SBA-15 mesoporous materials under weak acidic conditions".MICROPOROUS AND MESOPOROUS MATERIALS 84.1-3(2005):41-49.
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