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. 2010 Mar 10;10(3):759-64.
doi: 10.1021/nl902000e.

Cyclic conductance switching in networks of redox-active molecular junctions

Jianhui Liao  1 , Jon S Agustsson, Songmei Wu, Christian Schönenberger, Michel Calame, Yann Leroux, Marcel Mayor, Olivier Jeannin, Ying-Fen Ran, Shi-Xia Liu, Silvio Decurtins
Affiliations

Cyclic conductance switching in networks of redox-active molecular junctions

Jianhui Liao et al. Nano Lett. .

Abstract

Redox-active dithiolated tetrathiafulvalene derivatives (TTFdT) were inserted in two-dimensional nanoparticle arrays to build interlinked networks of molecular junctions. Upon oxidation of the TTFdT to the dication state, we observed a conductance increase of the networks by up to 1 order of magnitude. Successive oxidation and reduction cycles demonstrated a clear switching behavior of the molecular junction conductance. These results show the potential of interlinked nanoparticle arrays as chemical sensors.

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