An eco-friendly route for template-free synthesis of high specific surface area mesoporous CeO₂ powders and their adsorption for acid orange 7

Abstract

An eco-friendly route for template-free synthesis of mesoporous CeO2 powders with high specific surface areas.

Effective and Efficient Porous CeO2 Adsorbent for Acid Orange 7 Adsorption

“…As observed, the obvious diffraction peaks in Figure 1 a were assigned to the standard orthorhombic Ce 2 (CO 3 ) 3 ∙8H 2 O (JCPDS no. 38−0377), and this XRD pattern was similar to the commercial Ce 2 (CO 3 ) 3 ∙ x H 2 O powders [ 52 ] obtained in previous studies [ 53 , 54 ]. After following the addition of 5 mL 30% H 2 O 2 , the XRD pattern in Figure 1 b displayed several well−resolved peaks that could be indexed to (111), (200), (220), (311), (400) and (331) planes of the standard CeO 2 with face−centred cubic structure (JCPDS no.…”

“…CeO 2 and its complexes were also among the sequences being investigated. Compared to the reported CeO 2 [ 42 , 76 , 77 ] and the porous CeO 2 in our previous studies [ 53 , 54 , 78 ], the porous CeO 2 in this work shows better adsorption capacity, but is lower than that of CeO 2 · x H 2 O [ 40 ]. It is worth noting that CeO 2 with a porous structure not only has a potential application in the field of adsorption, but also in the fields of catalyst and catalysis carrier.…”

Building Ohmic Contact Interfaces toward Ultrastable Zn Metal Anodes

“…As shown in Figure 2c , the distinct diffraction peaks centered at 28.6°, 33.1°, 47.6°, 56.4°, and 59.2° can be readily assigned to the (111), (200), (220), (311), and (222) crystal facets of cubic CeO 2 (PDF: 03‐065‐5923), respectively. [ 24 ]…”

“…As shown in Figure 2c, the distinct diffraction peaks centered at 28.6°, 33.1°, 47.6°, 56.4°, and 59.2°can be readily assigned to the (111), ( 200), ( 220), (311), and (222) crystal facets of cubic CeO 2 (PDF: 03-065-5923), respectively. [24] Figure 2d presents the optical images of bare Zn and CeO 2 @Zn anodes. Notably, the pristine Zn exhibits a metallic luster character, while the surface of CeO 2 @Zn is slight yellow stemming from the intrinsic color of nano-CeO 2 .…”

Atomic Layer Deposition of CeO2 Film with a Novel Heteroleptic Ce(III) Complex

“…Among various RE oxide materials, cerium dioxide (CeO 2 ) has the potential to replace conventional silicon dioxide (SiO 2 ) material, because of the high dielectric constant , high refractive index (2.2-2.8), high dielectric strength (~25 Mv/cm), and moderate bandgap (3.0-3.6 eV) [3][4][5][6][7]. In addition, CeO 2 material can also be used in applications such as solid oxide fuel cells, optical coatings, catalysts for water splitting, and air purification [8][9][10][11][12][13][14][15].…”