Current-induced light emission and light-induced current in molecular-tunneling junctions

Michael Galperin, Abraham Nitzan

Research output: Contribution to journalArticlepeer-review

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 molecule-lead coupling and molecule-radiation field interaction suggest that both effects should be observable.

Original languageEnglish
Article number206802
JournalPhysical Review Letters
Volume95
Issue number20
DOIs
StatePublished - 11 Nov 2005

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