MMaterials for Renewable and Sustainable Energy4/3/2026Enhanced supercapacitive performance of CuO/Cu2O/Cu nanostructures: a comparative study before and after plasma functionalizationSarra Aoun·I. Ben Assaker·Idoumou Bouya Ahmed·Imen Gritli·M. RédolfiRead at Materials for Renewable and Sustainable EnergyTagsCopper-based nanomaterials and applicationsMaterials Chemistry