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Hydrothermally stable thioether-bridged mesoporous materials with void defects in the pore walls
Liu, J; Yang, J; Yang, QH; Wang, G; Li, Y
刊名ADVANCED FUNCTIONAL MATERIALS
2005-08-01
DOI10.1002/adfm.200500122
15期:8页:1297-1302
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]FUNCTIONALIZED MONOLAYERS ; ORGANIC GROUPS ; SILICA ; ORGANOSILICAS ; SURFACTANT ; MCM-41 ; HPLC ; FRAMEWORKS ; SPHERES ; PHASE
英文摘要Hydrothermally stable thioether-bridged mesoporous materials have been synthesized by one-step co-condensation of 1,4-bis(triethoxysily)propane tetrasulfide (TESPTS) with tetramethoxysilane (TMOS) using cetyltrimethylammonimum bromide (CTAB) as the surfactant in basic conditions. The ordered mesoporous materials can be formed with a wide range of thioether concentrations in the mesoporous framework, as is seen by X-ray diffraction (XRD) characterization. The results of N(2) sorption and transmission electron microscopy (TEM) reveal that the materials synthesized with TESPTS/TMOS molar ratios in the range 1:8-1:3 have extensive structural defect holes in the nanochannels. All materials exhibit enhanced hydrothermal stability, which is in proportion to the concentration of thioether bridging in the mesoporous framework. The thioether-functionalized mesoporous materials are efficient adsorbents for removing Hg(2+) and phenol from waste water. The Hg(2+)-adsorption capacity of the material can be as high as 1500 mg g(-1).
语种英语
WOS记录号WOS:000231319500010
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139653
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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GB/T 7714
Liu, J,Yang, J,Yang, QH,et al. Hydrothermally stable thioether-bridged mesoporous materials with void defects in the pore walls[J]. ADVANCED FUNCTIONAL MATERIALS,2005,15(8):1297-1302.
APA Liu, J,Yang, J,Yang, QH,Wang, G,&Li, Y.(2005).Hydrothermally stable thioether-bridged mesoporous materials with void defects in the pore walls.ADVANCED FUNCTIONAL MATERIALS,15(8),1297-1302.
MLA Liu, J,et al."Hydrothermally stable thioether-bridged mesoporous materials with void defects in the pore walls".ADVANCED FUNCTIONAL MATERIALS 15.8(2005):1297-1302.
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