Abstract Scope |
Graphene, a two-dimensional (2D) carbon allotrope, has attracted much attention from enormous research fields due to its superior electrical, thermal, mechanical, and electrochemical properties. One particular area in nanomanufacturing is the etching and doping of graphene flakes, which may result in abundant edge-site defects, nanoholes on basal plane, and heterogenous dopants leading to outstanding electrochemical properties when used in energy storage devices. However, due to the structural inertness and strong carbon-carbon bonding, the etching and doping of graphene flakes typically require effective activation for the chemical reaction. Current thermal wet chemistry-based methods have proved success while they commonly rely on long processing time, high temperature/pressure, strong chemical reactants, etc. In this study, we focus on how microwave and laser directly activate the etching and doping reactions of graphene flakes in liquid solution. This efficient direct activation may realize future scalable synthesis of doped holey graphene materials. |