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The design and optimization of electrode materials are critically important for the development of high-performance supercapacitors. Herein, hollow Fe2O3 nanotubes supported on nitrogen-doped graphene was fabricated via a facile hydrothermal process. The morphologies of the samples were characterized by scanning electron microscopy, X-ray photoelectron spectra, X-ray diffraction, and so on. The electrochemical...
Nitrogen-doped graphene/Fe 2 O 3 composites (NGFeCs) have been synthesized by a simple hydrothermal method. The structure and morphology of the samples were analyzed by X-ray diffraction, Raman spectra, scanning electron microscopy, transmission electron microscopy and X-ray photoelectron spectroscopy. The results indicate that Fe 2 O 3 particles with size about 20–100nm...
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