Inside Front Cover: Redox-Tunable Defects in Colloidal Photonic Crystals (Adv. Mater. 20/2005)

Authors

  • F. Fleischhaker,

    1. Materials Chemistry Research Group, Chemistry Department, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
    2. Institute of Organic Chemistry, Department of Chemistry and Pharmacy, University of Mainz, Duesbergweg 10–14, D-55128 Mainz, Germany
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  • A. C. Arsenault,

    1. Materials Chemistry Research Group, Chemistry Department, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
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  • Z. Wang,

    1. Materials Chemistry Research Group, Chemistry Department, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
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  • V. Kitaev,

    1. Materials Chemistry Research Group, Chemistry Department, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
    2. Present address: Department of Chemistry, Wilfrid Laurier University, 75 University Ave. W, Waterloo, ON N2L 3C5, Canada.
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  • F. C. Peiris,

    1. Materials Chemistry Research Group, Chemistry Department, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
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  • G. von Freymann,

    1. Materials Chemistry Research Group, Chemistry Department, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
    2. Present address: Institut für Nanotechnologie, Forschungszentrum Karlsruhe, D-76021 Karlsruhe, Germany.
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  • I. Manners,

    1. Materials Chemistry Research Group, Chemistry Department, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
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  • R. Zentel,

    1. Institute of Organic Chemistry, Department of Chemistry and Pharmacy, University of Mainz, Duesbergweg 10–14, D-55128 Mainz, Germany
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  • G. A. Ozin

    1. Materials Chemistry Research Group, Chemistry Department, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
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Abstract

The inside front cover illustrates reversible tuning of an intragap transmitting state induced by redox cycling, accomplished using a redox-active polyferrocenylsilane polyelectrolyte multilayer planar defect embedded in a colloidal photonic crystal (CPC) synthesized by a bottom–up method combining colloidal self-assembly and microcontact printing. In work reported on p. 2455 by Manners, Ozin, and co-workers, the wavelength position of the defect state can be changed by changing the oxidation state of the ferrocene moieties in the polymer backbone. This could find applications in electrochemically tunable microcavities, and—if light emitters are incorporated—electrochemically tunable CPC-based laser sources. Cover design by Ludovic Cademartiri.

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