Raman Spectroscopy of Suspended MoS 2 | Zendy

O'Brien Maria | Zendy; Scheuschner Nils | Zendy; Maultzsch Janina | Zendy; Duesberg Georg S. | Zendy; McEvoy Niall | Zendy

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Raman Spectroscopy of Suspended MoS 2

Author(s) -

O'Brien Maria,

Scheuschner Nils,

Maultzsch Janina,

Duesberg Georg S.,

McEvoy Niall

Publication year - 2017

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.201700218

Subject(s) - raman spectroscopy , materials science , substrate (aquarium) , chemical vapor deposition , suspension (topology) , analytical chemistry (journal) , deposition (geology) , strain (injury) , characterization (materials science) , optoelectronics , nanotechnology , optics , chemistry , chromatography , medicine , paleontology , physics , mathematics , homotopy , sediment , pure mathematics , biology , geology , oceanography

This report details the Raman spectroscopic characterization of suspended MoS 2 . MoS 2 was grown by chemical vapor deposition (CVD) and then transferred onto holey substrates using a polymer‐assisted technique, allowing measurement of suspended MoS 2 . Significant differences in the spectral characteristics of suspended and supported MoS 2 were observed which are attributed to strain in the MoS 2 suspended over the holey regions of the substrate. In particular, we investigate the low‐frequency Raman spectrum of free‐standing CVD‐grown MoS 2 , and estimate the strain caused in the layers by suspension over holes.

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