A research team led by Prof. Mun Seok JEONG from the Department of Energy Science of SKKU and the researcher Kyung Duk PARK from Colorado State University, successfully demonstrated the structure of grain boundary which is one of the main defects that cause a decrease in the quality of graphene.
Though structural, chemical, and optical analysis, the team claimed that they confirmed that the structure of graphene is composed of two layers.
Besides the grain boundary, they also succeeded with Nano Raman Imaging of nano wrinkle and seed later, which is expected to increase the understanding of the growth mechanism of graphene.
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