Wen, Chengyu

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  • Publication
    Influence of NaOH Concentration on Transfer Process of Graphene
    (2019-09-13) Saldana, Francisco; Wen, Chengyu; Watson, George Patrick
    The process of transferring a monolayer of graphene using two different concentrations of sodium hydroxide (NaOH) solution unto a silicon dioxide (SiO2) coated Si chip using electrochemistry was performed. The transfer process is crucial for the delamination of a continuous graphene monolayer film from copper foil. After examining and inspecting the integrity of the graphene monolayer, it was observed that the lower concentration to NaOH led to slower rate of hydrogen bubble generation; this condition was found to be less destructive and yielded a graphene film with fewer visible tears.