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Fluffy hollow carbon spheres with the diameter of 0.3–1.8 μm and shell thickness of 30–80 nm were successfully synthesized via FeCl 3 catalyzed solvent-thermal reaction in a sealed autoclave at 350 °C for 3 h, with CaC 2 and CCl 4 as carbon sources and reactants. XRD and TEM observations verify that the fluffy hollow carbon spheres are composed of curved and disordered carbon...
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