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Donor/Acceptor Mixed Self-Assembled Monolayers for Realising a Multi-Redox-State Surface

AutorCasado-Montenegro, Javier; Marchante, Elena ; Crivillers, Núria ; Rovira, Concepció ; Mas Torrent, Marta
Palabras claveDonor–acceptor systems
Electrochemistry
Molecular devices
Monolayers
Self-assembly
Fecha de publicación21-jun-2016
EditorWiley-VCH
CitaciónChemPhysChem 17(12): 1810–1814 (2016)
ResumenMixed molecular self-assembled monolayers (SAMs) on gold, based on two types of electroactive molecules, that is, electron-donor (ferrocene) and electron-acceptor (anthraquinone) molecules, are prepared as an approach to realise surfaces exhibiting multiple accessible redox states. The SAMs are investigated in different electrolyte media. The nature of these media has a strong impact on the types of redox processes that take place and on the redox potentials. Under optimised conditions, surfaces with three redox states are achieved. Such states are accessible in a relatively narrow potential window in which the SAMs on gold are stable. This communication elucidates the key challenges in fabricating bicomponent SAMs as electrochemical switches.
Versión del editorhttp://dx.doi.org/10.1002/cphc.201600176
URIhttp://hdl.handle.net/10261/141386
DOI10.1002/cphc.201600176
ISSN1439-4235
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