Thin film interference of colloidal thin films

被引：36

作者：

Cong, HL ^{[1
]}

Cao, WX ^{[1
]}

机构：

[1] Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China

来源：

LANGMUIR | 2004年 / 20卷 / 19期

关键词：

D O I：

10.1021/la049118+

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A stairlike colloidal crystal thin film composed of poly(styrene-methyl methaerylate-acrylic acid) (P(St-MMA-AA)) monodispersed colloids was fabricated on an inclined silicon substrate. Different bright colors were observed on the various parts of the film with different layers as white light irradiated perpendicularly on it. The relationship between the colors and layers of the film was investigated and discussed according to the principle of thin film interference. On the basis of the phenomenon of thin film interference, a one-layer colloidal film having uniform color was researched and it would display diverse colors before and after swollen by styrene (St). A circular stairlike colloidal film was achieved to mimic the colors of the peacock tail feather.

引用

页码：8049 / 8053

页数：5

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