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A facile and simple method to prepare tube-like nitrogen-doped graphene (NG)/manganese oxide (Mn3O4) composite is introduced. The transmission electron microscopy patterns show that the Mn3O4 nanotubes were uniformly dispersed on the surface of the NGs. The composite was further investigated by Raman spectroscopy, X-ray diffraction and X-ray photoelectron spectroscopy. The electrochemical properties...
A new route to prepare core/shell structured polypyrrole (PPy)/hydroquinone nano-beads have been proposed via an in-situ chemical oxidative polymerization. The core template, p-benzoquinone, is demonstrated to work as an oxidizing agent for the in-situ polymerization of PPy, and to be reduced to 1,4-hydroquinone after the reaction. The structure and morphology of the nano-beads have been characterized...
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