Titania inverse opals for infrared optical applications

被引：32

作者：

Lanata, M ^{[1
]}

Cherchi, M ^{[1
]}

Zappettini, A ^{[1
]}

Pietralunga, SM ^{[1
]}

Martinelli, M ^{[1
]}

机构：

[1] CORECOM, I-20131 Milan, Italy

来源：

OPTICAL MATERIALS | 2001年 / 17卷 / 1-2期

关键词：

photonic crystals; macroporous materials; inverse opals;

D O I：

10.1016/S0925-3467(01)00013-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Photonic crystals have gathered great importance in recent years. In particular macroporous materials (inverse opals) show interesting properties as photonic crystals. Ordered macroporous titanium dioxide (TiO2) is made using polystyrene spheres as a template. Titania is chosen for its high refractive index (>2.5). Following an already known technique [E.G. Judith, J. Wijnhoven, W.L. Vos, Science 281 (1998) 802; B.T. Holland, C.F. Blanford, A. Stein, Science 281 (1998) 538; B.T. Holland, C.F. Blanford, T. Do, A. Stein, Chem. Mater. 11 (1999) 795] large-scale order in macroporous TiO2 is obtained both using the 778 and the 3190 nm beads as documented by optical microscope and SEM images. These structures would lead to applications in the mid-infrared range. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：11 / 14

页数：4

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