Localized coherent phonon generation in monolayer MoSe2 from ultrafast exciton trapping at shallow traps
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We report spectroscopic evidence for the ultrafast trapping of band edge excitons at defects and the subsequent generation of defect-localized coherent phonons (CPs) in monolayer MoSe2. While the photoluminescence measurement provides signals of exciton recomb... ...
