SILICA-DEPOSITED PHOSPHOLIPID TUBULES AS A PRECURSOR TO HOLLOW SUBMICRON-DIAMETER SILICA CYLINDERS

被引:119
作者
BARAL, S [1 ]
SCHOEN, P [1 ]
机构
[1] USN, RES LAB, WASHINGTON, DC 20375 USA
关键词
D O I
10.1021/cm00026a001
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A 50-nm-thick silica film was deposited on a phospholipid tubule surface through aggregation of 10-15-nm-diameter silica particulates from an aqueous dispersion. The silica films were mechanically strong enough to remain intact during freeze-drying. When dry coated tubules were heated to 600-degrees-C, the phospholipid decomposed and hollow silica cylinders were left behind. When the coated tubules were electrolessly plated with nickel metal, hollow ferromagnetic cylinders were obtained.
引用
收藏
页码:145 / 147
页数:3
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