We demonstrate a novel electroluminescence device in which GaN-based μ-LEDs are used to trigger the emission spectra of monolayers of transition metal dichalcogenides, which are deposited directly on the μ-LED surface. A special μ-LED design enables the operation of our structures even within the limit of low temperatures. A device equipped with a selected WSe monolayer flake is shown to act as a stand-alone, electrically driven single-photon source.
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| http://dx.doi.org/10.1039/d2nr03970b | DOI Listing |
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