Current induced light emission and light induced current in molecular tunneling junctions
arXiv:cond-mat/0503114 · doi:10.1103/PhysRevLett.95.206802
Abstract
The interaction of metal-molecule-metal junctions with light is considered within a simple generic model. We show, for the first time, that light induced current in unbiased junctions can take place when the bridging molecule is characterized by a strong charge-transfer transition. The same model shows current induced light emission under potential bias that exceeds the molecular excitation energy. Results based on realistic estimates of molecular-lead coupling and molecule-radiation field interaction suggest that both effects should be observable.
5 pages, 3 figures, RevTeX 4
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