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Proceedings Paper

Interplay of Mie and Bragg resonances in partly ordered monolayers of colloidal spheres
Author(s): Sergei G. Romanov; Sergei Orlov; Alexander V. Korovin; Oleksandr Zhuromskyy; Nicolas Vogel; Katharina Landfester; Clemens K. Weiss; Ulf Peschel
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Paper Abstract

The transformation of 2-dimensional slab photonic crystal into 2-dimensional photonic glass was achieved by gradually increasing the sphere spacing and by randomising the lattice. The materials were prepared by assembling colloidal particles at the air/water interface using a Langmuir-Blodgett trough and the subsequent deposition on glass substrates. Highly ordered monolayers were obtained by using colloids of one size, while use particles of two different sizes and different partial concentrations allows to increase the spacing of the larger spheres and to randomize the lattice. Changes in the spheres arrangements result in a change of in-plane light propagation from band-like to hopping photon transport.

Paper Details

Date Published: 30 April 2012
PDF: 12 pages
Proc. SPIE 8425, Photonic Crystal Materials and Devices X, 84250V (30 April 2012); doi: 10.1117/12.923433
Show Author Affiliations
Sergei G. Romanov, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Ioffe Physico-Technical Institute (Russian Federation)
Sergei Orlov, Max Planck Institute for the Science of Light (Germany)
Alexander V. Korovin, Lashkarev Institute of Semiconductor Physics (Germany)
Oleksandr Zhuromskyy, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Nicolas Vogel, Max-Planck-Institut für Polymerforschung (Germany)
Katharina Landfester, Max-Planck-Institut für Polymerforschung (Germany)
Clemens K. Weiss, Max-Planck-Institut für Polymerforschung (Germany)
Ulf Peschel, Univ. of Erlangen-Nuremberg (Germany)

Published in SPIE Proceedings Vol. 8425:
Photonic Crystal Materials and Devices X
Hernán Ruy Míguez; Sergei G. Romanov; Lucio Claudio Andreani; Christian Seassal, Editor(s)

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