Reinhard J. Maurer and Prof. Dr. Karsten Reuter Bistability Loss as a Key Feature in Azobenzene (Non-)Switching on Metal Surfaces Angewandte Chemie International Edition 51
Flip the switch on metals: Coinage metal adsorbed azobenzene is investigated as a prototypical molecular switch. Switching capabilities are not just lost owing to excited-state quenching, but also because of changes in the ground-state energetics (see graph; black=gas phase, gray=Ag(111), yellow=Au(111)). Electron-demanding coadsorbates are suggested as a strategy to regain the switching function.
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