Cyclic Conductance Switching in Networks of Redox-Active Molecular Junctions
Nano Letters2010Vol. 10(3), pp. 759–764
Citations Over TimeTop 10% of 2010 papers
Jianhui Liao, Jón S. Ágústsson, Songmei Wu, Christian Schönenberger, Michel Calame, Yann R. Leroux, Marcel Mayor, Olivier Jeannin, Ying‐Fen Ran, Shi‐Xia Liu, Silvio Decurtins
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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