Tailoring photonic crystals with nanometer-scale precision using polyelectrolyte multilayers

被引：29
作者：
Arsenault, AC
Halfyard, J
Wang, Z
Kitaev, V
Ozin, GA
Manners, I
Mihi, A
Míguez, H
机构：
[1] Univ Toronto, Dept Chem, Mat & Polymer Chem Res Grp, Toronto, ON M5S 3H6, Canada
[2] Univ Politecn Valencia, Nanophoton Technol Ctr, Valencia 46022, Spain
来源：
LANGMUIR | 2005年 / 21卷 / 02期
关键词：
D O I：
10.1021/la0479713
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this paper, we describe a rapid, accurate, and convenient method for postsynthetically tuning the optical properties of colloidal photonic crystals. High quality photonic crystal films are first synthesized, and then coated iteratively with layers of water-soluble polyelectrolytes. The coating process results in nanometer-scale shifts in the photonic stop band, a process which has been monitored by theoretical modeling. The results suggest a fundamentally different, reproducible layering mechanism inside the confined spaces of the colloidal crystal where polyelectrolyte multilayers are less densely packed.
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收藏
页码：499 / 503
页数：5
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