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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.118  No.1377 (May) (2010)  >  pp.370-373

Journal of the Ceramic Society of Japan
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Fabrication of large-area silica colloidal crystals immobilized in hydrogel film

Toshimitsu KANAI1)2), Tsutomu SAWADA1) and Junpei YAMANAKA3)
1) National Institute for Materials Science
2) Yokohama National University
3) Nagoya City University

  A suspension of charged silica colloids was forced to flow in a flat capillary cell using an air-pulse-drive system. Above a critical air-pulse pressure, almost the entire capillary space was filled with a single-domain crystal with high spectral quality. The obtained flow-aligned particle arrays in water were immobilized as a self-standing hydrogel film using a photo-polymerization technique, thereby preserving the high quality. These results are basically the same as those for the previously reported polystyrene colloidal crystals, and they indicate that the present method is widely applicable to various kinds of particles.

Colloidal crystals, Photonic crystals, Single crystal, Silica particle, Hydrogel

Received: February 01, 2010
Accepted: February 18, 2010 , Published online: May 01, 2010
Copyright (c) 2010 The Ceramic Society of Japan



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