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Τετάρτη 13 Δεκεμβρίου 2017

Nonstoichiometry induced Broadband Tunable Photoluminescence of Monolayer WSe2

Chem. Commun., 2017, Accepted Manuscript
DOI: 10.1039/C7CC07953B, Communication
Weitao Su, Yonguang Li, Leifeng Chen, Dexuan Huo, Kaixin Song, Xiwei Huang, Haibo Shu
A nonstoichiometry routine by modulating W/Se atomic ratio was employed to tune excitonic PL band of monolayer WSe2 from 810nm to 690nm. DFT calculations indicate Se-rich condition reduces band gap,...
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