2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/96947The 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 4Mesoscale and Nanoscale Physicstext