A lost-wax approach to monodisperse colloids and their crystals

被引：808

作者：

Jiang, P ^{[1
]}

Bertone, JF ^{[1
]}

Colvin, VL ^{[1
]}

机构：

[1] Rice Univ, Ctr Nanoscale Sci & Technol, Dept Chem, Houston, TX 77005 USA

来源：

SCIENCE | 2001年 / 291卷 / 5503期

关键词：

D O I：

10.1126/science.291.5503.453

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We report a nanoscale "lost-wax" method for forming colloids with size distributions around 5% and their corresponding colloidal crystals. Macroporous polymer templates are first prepared from a silica colloidal crystal. We then use the uniform and interconnected voids of the porous polymer:to generate a wide variety of highly monodisperse inorganic, polymeric, and metallic solid and core-shell colloids, as well as hollow colloids with controllable shell thickness, as colloidal crystals. We can also uniformly deform the polymer template to alter colloidal shape and demonstrate the formation of elliptical particles with precisely controlled aspect ratios.

引用

页码：453 / 457

页数：5

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