Charge Transport in Photoswitchable Dimethyldihydropyrene-Type Single-Molecule Junctions
Journal of the American Chemical Society2013Vol. 135(16), pp. 5974–5977
Citations Over TimeTop 10% of 2013 papers
Diego Roldan, Veerabhadrarao Kaliginedi, Saioa Cobo, Viliam Kolivoška, Christophe Bucher, Wenjing Hong, Guy Royal, Thomas Wandlowski
Abstract
The conductance properties of a photoswitchable dimethyldihydropyrene (DHP) derivative have been investigated for the first time in single-molecule junctions using the mechanically controllable break junction technique. We demonstrate that the reversible structure changes induced by isomerization of a single bispyridine-substituted DHP molecule are correlated with a large drop of the conductance value. We found a very high ON/OFF ratio (>10(4)) and an excellent reversibility of conductance switching.
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