Induction heating to trigger the nickel surface modification by in situ generated 4-carboxybenzene diazonium

Bastien Arrotin, Amory Jacques, Sébastien Devillers, Joseph Delhalle, Zineb Mekhalif

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Résumé

Nickel is commonly used in numerous applications and is one of the few materials that present strong ferromagnetic properties. These make it a suitable material for induction heating which can be used to activate the grafting of organic species such as diazonium salts onto the material. Diazonium compounds are often used for the modification of metals and alloys thanks to their easy chemical reduction onto the substrates and the possibility to apply a one-step in situ generation process of the diazonium species. This work focuses on the grafting of 4-aminocarboxybenzene on nickel substrates in the context of a spontaneous grafting conducted either at room temperature or by thermal assistance through conventional heating and induction heating. These modifications are also carried out with the goal of maintaining the oxides layer as much as possible unaffected. The benefits of using induction heating with respect to conventional heating are an increase of the grafting rate, a better control of the reaction and a slighter impact on the oxides layer.

langue originaleAnglais
Pages (de - à)320-327
Nombre de pages8
journalApplied Surface Science
Volume370
Les DOIs
Etat de la publicationPublié - 1 mai 2016

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