Direct Observation of ultrafast exciton Formation in a monolayer of WSe2

URN to cite this document:: urn:nbn:de:bvb:355-epub-362605
DOI to cite this document:: 10.5283/epub.36260

Steinleitner, Philipp ; Merkl, Philipp ; Nagler, Philipp ; Mornhinweg, Joshua ; Schüller, Christian ; Korn, Tobias

; Chernikov, Alexey ; Huber, Rupert

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Date of publication of this fulltext: 02 Nov 2017 14:37

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Abstract

Many of the fundamental optical and electronic properties of atomically thin transition metal dichalcogenides are dominated by strong Coulomb interactions between electrons and holes, forming tightly bound atom-like states called excitons. Here, we directly trace the ultrafast formation of excitons by monitoring the absolute densities of bound and unbound electron hole pairs in single monolayers ...