Single-crystalline CeO2
nanocubes were synthesized through a hydrothermal treatment. By varying
reaction temperature and the NaOH concentration, the size control of
CeO2
nanocubes has been achieved, which produces the nanocubes with a controllable
edge length in the regime of 20–360 nm. HRTEM studies reveal that the
CeO2
nanocubes expose their high energy {001} planes. Consequently, it is demonstrated that the
CeO2
nanocubes exhibit excellent reducibility and high oxygen storage capacity, indicating they
are potential novel catalytic materials.
High-energy, more reactive {001} and {110} planes of CeO 2 nanorods were found to generate favorable synergetic effects between CuO and ceria, resulting in significant enhancement of the copper catalyst performance for CO oxidation.
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