Graphene covalently functionalized with 2,6-diaminoanthraquinone (DQ) as a high performance electrode material for supercapacitors
Yuying Yang, Weixia Ma, Hong Zhu, Haixia Meng, Chengjuan Wang, Fuquan Ma, Zhongai Hu
Abstract
2,6-Diaminoaquinone molecules were covalently modified onto the surface of GO <italic>via</italic> a nucleophilic displacement reaction between the epoxy groups on the surface of GO and the –NH<sub>2</sub> groups of DQ molecules in the presence of ammonia to form a composite material.
Topics & Concepts
ChemistryCovalent bondNucleophileGrapheneMoleculeSupercapacitorComposite numberEpoxyElectrodeAmmoniaPolymer chemistryNanotechnologyOrganic chemistryElectrochemistryComposite materialPhysical chemistryCatalysisMaterials scienceSupercapacitor Materials and FabricationConducting polymers and applicationsAdvanced battery technologies research