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Correlative Raman Microscopy for 2D Materials Investigation

Confocal Raman imaging is an ideal method for studying 2D materials. It can be used to discern the orientation of their layers and investigate defects, strain and functionalisation as their Raman properties are determined by molecular bonds, relative orientation and number of layers. Further details can be visualised with other methods such as SEM, AFM, SNOM and photoluminescence microscopy. By correlating the information of more than one approach, 2D materials can be analysed more thoroughly. This study briefly reviews the development of 2D materials, describes Raman and correlative techniques, and provides example measurements of Graphene, MoS2 and WS2.

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