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Simultaneous Photografting of Two Organic Groups on a Gold Surface by using Arylazo Sulfones as Single Precursors
journal contribution
posted on 2020-03-09, 18:36 authored by Jérôme Médard, Philippe Decorse, Claire Mangeney, Jean Pinson, Maurizio Fagnoni, Stefano ProttiArylazo
sulfones have been exploited as photoactivatable substrates
for the simultaneous photografting of both aryl and methanesulfonyl
groups on a gold surface. The obtained samples have been characterized
by different spectroscopic techniques including ellipsometry and electrochemistry,
infrared reflection absorption, surface-enhanced Raman spectroscopy,
XPS, and AFM. Grafting occurs through a simple N−S cleavage
and not, as usually observed with aromatic precursors, by electron
transfer.
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photoactivatable substrateselectrochemistryellipsometrysampleGraftingsurface-enhanced Raman spectroscopySingle Precursors Arylazo sulfonesgold surfaceAFMspectroscopic techniquesphotograftingArylazo SulfonescleavageXPSelectron transferreflection absorptionOrganic GroupsprecursorarylGold Surfacemethanesulfonyl groupsSimultaneous Photografting
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