(NiZnCuMn)Co2O4 with electromagnetic wave absorption and anti-corrosion properties (IMAGE)
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The (NiZnCuMn)Co2O4 MEOs, which are synthesized via a hydrothermal reaction followed by calcination, exhibit robust EMW absorption performance with a minimum reflection loss of −64.05 dB and an ultrabroad effective absorption bandwidth that can reach 7.35 GHz by adjusting the hydrothermal reaction time. After being soaked in 3.5 wt.% NaCl for 14 days, (NiZnCuMn)Co2O4 prepared with a hydrothermal time of 12 h, shows a minimum corrosion current of 6.61 × 10−6 A cm−2. When the hydrothermal time is 18 h, the corrosion current is 6.66 × 10−6 A cm−2 and the corrosion potential reaches −0.712 V.
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Nano Research, Tsinghua University Press
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