期刊
ADVANCED MATERIALS
卷 19, 期 7, 页码 984-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200601548
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Regioselectively ordered silica nanotubes are formed on molecular polysaccharide derivatives under mild conditions by sol-gel processing using biomimetic principles. The cellulose molecules serve as a rigid backbone, whilst structure-directing oligopropylamino residues are introduced to mimic the functional groups responsible for silica formation by diatoms (see figure). The obtained silica nanotubes exhibit a dual microstructure, consisting of an ordered near-core region and an amorphous mantle.
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