Ordering in stretch-tunable polymeric opal fibers

被引：76

作者：

Finlayson, Chris E. ^{[1
]}

Goddard, Chris ^{[2
]}

Papachristodoulou, Elpida ^{[1
]}

Snoswell, David R. E. ^{[1
]}

Kontogeorgos, Andreas ^{[1
]}

Spahn, Peter ^{[3
]}

Hellmann, G. P. ^{[3
]}

Hess, Ortwin ^{[2
]}

Baumberg, Jeremy J. ^{[1
]}

机构：

[1] Univ Cambridge, NanoPhoton Ctr, Cambridge CB3 0HE, England

[2] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2AZ, England

[3] DKI, D-64289 Darmstadt, Germany

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 04期

基金：

英国工程与自然科学研究理事会;

关键词：

SHEAR-INDUCED ORDER; COMPUTER EXPERIMENTS; COLLOIDAL CRYSTALS; PHOTONIC CRYSTALS; CLASSICAL FLUIDS; SUSPENSIONS;

D O I：

10.1364/OE.19.003144

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate the production of high-quality polymer opal fibers in an industrially-scalable process. These fibers exhibit structural color, based on the self-assembly of sub-micron core-shell particles, with a spectrum which is stretch-tunable across the visible region. The internal substructure and ordering of fibers, as inferred from variations in spectral bandwidth, is studied using dark-field microscopy. We employ a granular model to examine flow and shear forces during the extrusion process, and the effects on particle ordering. In both theory and experiment, a concentric zone of the fiber near the exposed surface develops particularly strong structural color. Such elastically-tuned structurally colored fibers are of interest for many applications. (C)2011 Optical Society of America

引用

页码：3144 / 3154

页数：11

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