Additionally, as shown in Figure 4 C,D, the content of O A showed a trend of decreasing after rising, and reached the maximum in Ni-Fe 2 O 3 -20 (0.27), indicating that the surface O Vs increased and the oxidation capacity was enhanced.
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Efficient Purification of Auto-Exhaust Soot Particles Using Hexagonal Fe<sub>2</sub>O<sub>3</sub> Nanosheets Decorated with Non-Noble Metals (Ni).
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