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Journal Articles RSC Advances Year : 2016

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).
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Dates and versions

cea-01356768 , version 1 (26-08-2016)

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Gul Zeb, Phuong Nguyen Tri, Serge Palacin, Xuan Tuan Le. Pulse potential deposition of thick polyvinylpyridine-like film on the surface of titanium nitride. RSC Advances, 2016, 6, pp.80825-80829. ⟨10.1039/c6ra14487j⟩. ⟨cea-01356768⟩
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