Study on graphene on pentacene structure and fabrication process

Novel ultra-high frequency device using graphene on pentacene (GOP) structure is proposed. In the GOP, charges transfer from graphene with high mobility to pentacene with low mobility by gate voltage and then the charges in pentacene are transferred to the graphene by electronic polarization. In this case, it is expected that the charges repeat the high and low mobility states, and the current shows time dependence of order of fs. In this study, the possibility of realization of ultra-high frequency devices is discussed b y using energy band diagram. In addition, to fabricate the GOP structure, we tried to form a graphene from a pentacene source using a heated catalyst. The number of vapor phase polymerization of pentacene-based precursor is estimated for the formation of graphene nanoribbons.