Structural Characterization of Mesoporous Silica Nanofibers Synthesized Within Porous Alumina Membranes

被引：26
|
作者：
Gong, Zhihong [1 ]
Ji, Guangbin [1 ,2 ,3 ]
Zheng, Mingbo [1 ]
Chang, Xiaofeng [1 ]
Dai, Weijie [1 ]
Pan, Lijia [2 ,3 ]
Shi, Yi [2 ,3 ]
Zheng, Youdou [2 ,3 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanomat Res Inst, Nanjing 210016, Peoples R China
[2] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[3] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
来源：
NANOSCALE RESEARCH LETTERS | 2009年 / 4卷 / 11期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Mesoporous silica; Nanofiber; Anodic aluminum oxide; P123; Template synthesis; COPOLYMER; TRIBLOCK; ARRAYS; METAL; NANOSTRUCTURES; PERFORMANCE; NANOWIRES; ASSOCIATION; EMISSION; BEHAVIOR;
D O I：
10.1007/s11671-009-9389-4
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Mesoporous silica nanofibers were synthesized within the pores of the anodic aluminum oxide template using a simple sol-gel method. Transmission electron microscopy investigation indicated that the concentration of the structure-directing agent (EO20PO70EO20) had a significant impact on the mesostructure of mesoporous silica nanofibers. Samples with alignment of nanochannels along the axis of mesoporous silica nanofibers could be formed under the P123 concentration of 0.15 mg/mL. When the P123 concentration increased to 0.3 mg/mL, samples with a circular lamellar mesostructure could be obtained. The mechanism for the effect of the P123 concentration on the mesostructure of mesoporous silica nanofibres was proposed and discussed.
引用
收藏
页码：1257 / 1262
页数：6
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