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Redox-Active, Organometallic Surface-Relief Gratings from Azobenzene-Containing Polyferrocenylsilane Block Copolymers

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Organometallic Gratings: The ionic self-assembly of metal-containing block-copolymer polyelectrolytes and azobenzene chromophores is exploited for the efficient production of stable photo-induced surface-relief gratings. We show that feature sizes can be tuned using simple redox chemistry, and that the chromophores can be removed during plasma treatment to yield ceramic-based optical materials.

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