Facile synthesis of CeO2 nanoplates and nanorods by [100] oriented growth

Cerium oxide nanoparticle: a remarkably versatile rare earth nanomaterial for biological applications

“…Numerous techniques such as hydrothermal, 20 solvothermal, 21,22 aqueous precipitation, 23 reversed micelles, 24 thermal decomposition 25 and flame spray 26 methods have been reported to synthesize CeONP, while maintaining control of its size and properties. The synthesized CeONP can be bare or wrapped with a coating of protective substances that can be hydrophilic 20 or hydrophobic.…”

Antimicrobial potential of green synthesized CeO₂ nanoparticles from <em>Olea europaea</em> leaf extract

“…[1][2][3][4][5] Its various applications such as acting as a catalyst; use in sensor, solid oxide fuel cells, and sunscreen cosmetics; and its O 2 storage capacity, role in CO 2 solar conversion, and antibacterial applications are due to its idiosyncratic ability to alter the oxidation states. [6][7][8][9][10] Ordinarily, CeO 2 NPs are fabricated by physical and chemical methods including hydrothermal, 11 flame spray pyrolysis, 12 thermal decomposition, 13 aqueous precipitation, 14 and coprecipitation technique. 15 In contrast, green synthesis of metallic oxide NPs offers several advantages such as cost-effectiveness, large-scale commercial production, and pharmaceutical applications.…”

Tuning the Morphology of Metal Oxides for Catalytic Applications

“…Polycrystalline ␥ -Fe 2 O 3 nanotubes with a length of 30 m and a wall thickness of 20 nm (outer diameter of ∼400 nm) have been fabricated using AAO as the hard template. 251 The compact and uniform walls consisted of particles of several nanometers in size that exposed the (311) and (220) planes. To date, shape-controllable synthesis of ␥ -Fe 2 O 3 nanomaterials has been extensively explored, but the easy phase transformation into ␣-Fe 2 O 3 at elevated temperature is still problematic mainly due to the polycrystalline nature and the poor thermal stability of the fine constructing nanoparticles.…”

“…A surfactant-and template-free precipitation-hydrothermal approach has been recently adopted to fabricate CeO 2 nanowires with a diameter of about 40 nm and lengths of 3 to more than 10 m. 305 The recent focus is to further maximize the fraction of the reactive facets. [309][310][311] Ultra-thin ceria nanorods with diameters of only 1.2-1.5 nm and lengths of 12-70 nm were prepared by a sophisticated sol-gel process 309 and alcoholysis of cerium carboxylate, 310 respectively. More recently, CeO 2 nanorods with an average diameter of 2.6 nm and a length of 43 nm have been synthesized by thermal treatment of a liquid mixture containing cerium acetate, oleic acid, oleylamine, and 1-octadecene.…”

“…More recently, CeO 2 nanorods with an average diameter of 2.6 nm and a length of 43 nm have been synthesized by thermal treatment of a liquid mixture containing cerium acetate, oleic acid, oleylamine, and 1-octadecene. 311 Synthesis of CeO 2 nanotubes is another hot topic with the expectation of high thermal and chemical stabilities together with the inherent high surface area (Figure 10.29). Theoretical simulation has predicted that ceria nanotubes have a multilayered structure, which would create more oxygen vacancies, grain boundaries, and triple junctions on the surface.…”