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Meilian Zhao, Feng Yang, Prof. Ying Xue, Prof. Dan Xiao and Prof. Yong Guo Effects of Edge Oxidation on the Stability and Half-Metallicity of Graphene Quantum Dots ChemPhysChem 15

Article first published online: 28 NOV 2013 | DOI: 10.1002/cphc.201300768

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Finite-sized graphene quantum dots (GQDs) with oxygen-containing groups decorating the zigzag edges present a spin-polarized ground state. Partially oxidized GQDs exhibit a half-metallic state whereas fully oxidized GQDs show a spin-selective semiconducting state under an electric field.

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