Preparation and Characterization of Mesoporous Al-MCM-41 Layers Deposited on FeCrAl Metallic Foils by an In-situ Hydrothermal Method  

作　　者：韦奇 

机构地区：[1]College of Materials Science and Engineering,Beijing University of Technology

出　　处：《Journal of Wuhan University of Technology(Materials Science)》2009年第1期1-4,共4页武汉理工大学学报（材料科学英文版）

基　　金：Funded by the National Natural Science Foundation of China (No.50502002);Scientific Research Common Program of Beijing Municipal Commission of Education (No. KM200610005016);Youth Foundation of Beijing University of Technology (No.00190)

摘　　要：A new class of activated mesoporous Al-MCM-41 layers was deposited on Fe-CrAl metallic foils in the presence of cationic surfactant cetyltrimethylammonium bromide under basic conditions by an in-situ hydrothermal method. The characterization techniques including X-ray diffraction, nitrogen adsorption and transmission electron microscopy, as well as field-emission scanning electron microscopy were performed to investigate the pore structure and surface morphology of the Al-MCM-41 layers. The Al-MCM-41 materials are of amorphous structure but exhibit large BET surface area （up to 757.0 m2/g） and pore volume （up to 0.72 cm3/g）, as well as a mean pore diameter of 3 nm. The layers deposited on the FeCrAl foils are continuous despite with a few of holes on the surface.A new class of activated mesoporous Al-MCM-41 layers was deposited on Fe-CrAl metallic foils in the presence of cationic surfactant cetyltrimethylammonium bromide under basic conditions by an in-situ hydrothermal method. The characterization techniques including X-ray diffraction, nitrogen adsorption and transmission electron microscopy, as well as field-emission scanning electron microscopy were performed to investigate the pore structure and surface morphology of the Al-MCM-41 layers. The Al-MCM-41 materials are of amorphous structure but exhibit large BET surface area （up to 757.0 m2/g） and pore volume （up to 0.72 cm3/g）, as well as a mean pore diameter of 3 nm. The layers deposited on the FeCrAl foils are continuous despite with a few of holes on the surface.

关 键 词：mesoporous Al-MCM-4l silica layers FeCrAl metallic foils HYDROTHERMALSYNTHESIS porosity deposition 

分 类 号：TG132[一般工业技术—材料科学与工程]