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Hong Li, Qing Zhang, Chin Chong Ray Yap, Beng Kang Tay, Teo Hang Tong Edwin, Aurelien Olivier and Dominique Baillargeat From Bulk to Monolayer MoS2: Evolution of Raman Scattering Advanced Functional Materials 22

Article first published online: 31 JAN 2012 | DOI: 10.1002/adfm.201102111

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Raman frequencies ofequation imageandequation imagepeaks can be used to identify the layer number of ultrathin molybdenum disulfide (MoS2) flakes. The systematic Raman characterizations using various laser lines suggest a clear evolution of the coupling between the electronic transition and phonon when MoS2 is scaled down from three- to two-dimensional geometry.

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