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Date Time Understanding Graphene Growth on Insulating Substrates The thinnest material, graphene, is the most promising materials for many applications, such as in electronics, energy storage and etc. For high performance electronic applications, synthesizing graphene directly on an insulating substrate is highly desired. To date, a great deal of efforts has been dedicated to synthesizing graphene on numerous insulating substrates, such as SiO2, Al2O3, Si3N4, BN. It is found that the growth of graphene on these insulating substrates are generally 10,000 times slower than that on metallic substrates (Figure 1) and, as a consequence, the graphene synthesized on an insulating substrate is generally with very low quality and the productivity is very low. To understand why graphene growth on an insulating substrate is so different from that on metallic substrates is critical for optimizing the experiential design but such a question has never been answered satisfactory.

Ting chengFeng dingSouth koreaDahee carol kimZhongfan liuInstitute for basic scienceCommunications teamSchool of materials scienceProfessor zhirong liu college of chemistryInstitute of basic scienceDistinguished professor feng dingMultidimensional carbon materialsBasic scienceProfessor zhongfan liuProfessor zhirong liuMolecular engineering