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Article Dans Une Revue Chemical Science Année : 2012

Photo-modulable Molecular Transport Junctions based on Organometallic Molecular Wires

Résumé

Photo-modulable molecular transport junctions are developed via on-wire lithography-fabricated nanogaps functionalized with a dithienylethene unit bearing two ruthenium fragments. A reversible and repeatable bi-state conductive switching upon alternate irradiation of UV and visible light can be distinctly observed. Theoretical calculations further suggest that bi-directional isomerization is due to the ruthenium moieties that modulate judiciously the electronic coupling between the photochromic part and the metal electrodes, and that the differences in electronic structure between the two isomers (open and closed states) are responsible for conductivity switching.
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Dates et versions

hal-00753710 , version 1 (22-10-2013)

Identifiants

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Fanben Meng, Yves-Marie Hervault, Lucie Norel, Karine Costuas, Colin van Dyck, et al.. Photo-modulable Molecular Transport Junctions based on Organometallic Molecular Wires. Chemical Science, 2012, 3 (10), pp.3113-3118. ⟨10.1039/C2SC20323E⟩. ⟨hal-00753710⟩
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