Ordered SBA-15 nanorod arrays inside a porous alumina membrane
Ordered SBA-15 nanorod arrays inside a porous alumina membrane
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DOI：
10.1021/ja0488378
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发表时间：
2004-07-21
影响因子：
15
通讯作者：
Mallouk, TE
中科院分区：
文献类型：
--
作者：
Lu, QY;Gao, F;Mallouk, TE
首次通过简单的溶胶-凝胶法在多孔氧化铝膜内生长了有序的介孔SBA-15纳米棒。所获得的SBA-15纳米棒本身具有尺寸约为6 nm的有序六方介孔通道，并通过氧化铝膜的孔的限制排列形成六方阵列。合成的内含有介孔SBA-15的氧化铝膜结合了多孔氧化铝膜和介孔SBA-15的优点，提供了细小垂直的介孔通道，有望成为一种新型高效的模板，在纳米器件制备、生物大分子分离等方面有着广泛的应用。
The growth of ordered nanorods of mesoporous SBA-15 inside a porous alumina membrane has been achieved for the first time by a simple sol−gel method. The obtained SBA-15 nanorods themselves have ordered hexagonal mesochannels with a size of about 6 nm and have been arranged to form hexagonal arrays by the limitation of pores of the alumina membrane. The synthesized alumina membrane with mesoporous SBA-15 inside combines the advantages of porous alumina membranes and mesoporous SBA-15 and provides fine and vertical mesochannels, which may serve as a new and efficient mold and lead to extensive applications in nanodevice fabrication, biomacromolecule separations, etc.