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Issue 84, 2016, Issue in Progress
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Pulse potential deposition of thick polyvinylpyridine-like film on the surface of titanium nitride

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Abstract

Electrografting based on the reduction of diazonium salts has been conventionally performed at the laboratory scale with cyclic voltammetry using a typical three-electrode electrochemical system. However, this promising coating technique still needs simplification for industrial feasibility. In this work, we report that pulse potential deposition, using an only two-electrode system, is a powerful tool for the grafting through diazonium chemistry. Importantly, this method allows the covalent attachment of a 135 nm thick polyvinylpyridine-like polymeric film on a titanium nitride wafer of industrial dimensions (200 mm diameter) using an acidic solution of 4-nitrobenzenediazonium and vinylpyridine monomer. Success in grafting suitable polymer films with well-controlled thickness on real engineering materials, such as titanium nitride, opens the door for many novel applications in micro-electromechanical systems (MEMS).

Graphical abstract: Pulse potential deposition of thick polyvinylpyridine-like film on the surface of titanium nitride

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Publication details

The article was received on 04 Jun 2016, accepted on 17 Aug 2016 and first published on 26 Aug 2016


Article type: Communication
DOI: 10.1039/C6RA14487J
Citation: RSC Adv., 2016,6, 80825-80829
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    Pulse potential deposition of thick polyvinylpyridine-like film on the surface of titanium nitride

    G. Zeb, P. N. Tri, S. Palacin and X. T. Le, RSC Adv., 2016, 6, 80825
    DOI: 10.1039/C6RA14487J

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