Template-induced growth of close-packed and non-close-packed colloidal crystals during solvent evaporation

被引：145

作者：

Hoogenboom, JP

Rétif, C

de Bres, E

de Boer, MV

van Langen-Suurling, AK

Romijn, J

van Blaaderen, A

机构：

[1] FOM Inst Atom & Mol Phys, NL-1098 SJ Amsterdam, Netherlands

[2] Univ Utrecht, Debye Inst, Soft Condensed Matter, NL-3584 CC Utrecht, Netherlands

[3] Delft Inst Micrelect & Submicron Technol, NL-2600 GB Delft, Netherlands

来源：

NANO LETTERS | 2004年 / 4卷 / 02期

关键词：

D O I：

10.1021/nl034867h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Template-induced colloidal deposition during solvent evaporation is a promising technique for extending the possibilities of nanosphere lithography and the creation of photonic band gap materials. We investigated the influence of the parameters that determine the surface topography of templates on colloidal crystal structure. On pillar-shaped templates, large defect-free square symmetric monolayers, ordered vacancy arrays, and body-centered cubic (bcc) and simple cubic (sc) colloidal crystals could be grown. Close-packed crystals displayed defects and large defect grains. Our results indicate that this may be avoided when the direction of gravity with respect to the substrate is changed.

引用

页码：205 / 208

页数：4

共 23 条

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