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A facile solvothermal process is successfully developed to prepare F-center cubic Co 3 O 4 nanocrystals in alcohol–water solvent at 160°C for 6–24h. The common Co 2 O 3 powder is originally directly used as precursors and alcohol performs as solvent, reducer, and modified agent in the system. The as-obtained samples are characterized by XRD, FTIR, SEM, TEM, SAED and...
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