A direct comparison of CVD-grown and exfoliated MoS2 using optical spectroscopy

URN to cite this document:: urn:nbn:de:bvb:355-epub-322030
DOI to cite this document:: 10.5283/epub.32203

Plechinger, Gerd ; Mann, J. ; Preciado, E. ; Barroso, D. ; Nguyen, A. ; Eroms, Jonathan

; Schueller, Christian ; Bartels, Ludwig ; Korn, Tobias

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Date of publication of this fulltext: 20 Jul 2015 12:43

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Abstract

MoS2 is a highly interesting material, which exhibits a crossover from an indirect band gap in the bulk crystal to a direct gap for single layers. Here, we perform a direct comparison between large-area MoS2 films grown by chemical vapor deposition (CVD) and MoS2 flakes prepared by mechanical exfoliation from mineral bulk crystal. Raman spectroscopy measurements show differences between the ...