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Electric Field-Induced Isomerization of Azobenzene by Scanning Tunneling Microscopy
| Content Provider | CiteSeerX |
|---|---|
| Author | Alemani, Micol Peters, Maike V. Hecht, Stefan Rieder, Karl-Heinz Moresco, Francesca |
| Abstract | Understanding and controlling conformational changes of mol-ecules adsorbed on solid substrate surfaces is currently one of the most actively pursued goals related to fundamental electronic device miniaturization.1 Molecular devices can exhibit new operating mechanisms with technological advantages. In particular, the realization of a molecular device operable without electric current is of interest. In the search for molecules suitable for molecular electronics, present research interest is focusing on molecular switches.2,3 Azobenzene represents a very interesting example of such a molecular switch, and its operating mechanism is based on the trans-cis isomerization of a double bond.4 In the electronic ground state, azobenzene adopts two configurations: a nearly planar trans and a nonplanar, three-dimensional cis form. The reversible switching of azobenzene is well studied in solution and in the gas phase, where the ground state barrier for isomerization is typically |
| File Format | |
| Journal | J. Am. Chem. Soc |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
