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Core–shell nested structure of amorphous carbon coated on crystalline ZnO (carbonized ZnO) was synthesized by sol–gel method as precursor. Disordered ZnO nanoparticles were successfully prepared by annealing the carbonized the ZnO precursor. HRTEM, Raman and XPS analyses showed that the ZnO nanoparticles contain high concentration of oxygen-deficiency defects which enable them exhibiting an abnormal...
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