Simple Method of Preparing Graphene Flakes by an Arc-Discharge Method

By K. Subrahmanyam, L. Panchakarla, A. Govindaraj, C. Rao. 2009

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Nitrogen-Doped Carbon Nanotube and Graphene Materials for Oxygen Reduction Reactions (2015, background): “[51–53] successfully produced NG with the N content around 0.”
NO2 and humidity sensing characteristics of few-layer graphenes (2009, methodology): “To prepare HG, direct current arc-discharge of graphite evaporation was carried out in a water cooled stainless steel chamber filled with a mixture of hydrogen and helium with the proportion H2 (200Torr)–He (500Torr) with the discharge current in the 100–150A range and maximum open circuit voltage o”
Overview of carbon nanostructures and nanocomposites for electromagnetic wave shielding (2018, unknown): “All the preparation methods are broadly divided into top-downmethods, including micromechanical exfoliation [43,44], ultrasonic exfoliation [45], microwave exfoliation [46], chemical reduction of exfoliated GO [47] and arc discharge [48], and bottomup methods, including CVD [49] and organic synthesi”
Controllable growth of 1–7 layers of graphene by chemical vapour deposition (2014, background): “The I2D/IG intensity ratio, known to strongly correlate with the number of graphene layers [8], is large (2.”
Efficient and large-scale synthesis of few-layered graphene using an arc-discharge method and conductivity studies of the resulting films (2010, background): “obtained graphene sheets with two to four layers by arc-discharge in a mixture of hydrogen and helium [18].”