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Chem Soc Rev. 2005 May;34(5):429-39. Epub 2005 Feb 23.

Attachment of organic layers to conductive or semiconductive surfaces by reduction of diazonium salts.

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  • 1Alchimer, Z.I. de la Bonde, Massy, France. jean.pinson@alchimer.com

Abstract

Surface chemistry is the topic of this tutorial review. It describes the electrochemical reduction of aryl diazonium salts on carbon, silicon or metals which leads to the formation of an aromatic organic layer covalently bonded to the surface. The method which permits such a modification is set forth. The proof for the existence of the organic layer is brought forward. The grafting mechanism and the covalent bonding between the surface and the aryl group are discussed. The formation of mono or multilayers depending on the experimental conditions is rationalized. Finally some examples of the possible uses of this reaction are given.

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