Results 21 to 30 of about 34,179 (313)

Reaction of carboxylic acids on CeO2(111) and CeO2(100)

Catalysis Today, 1996
The reactions of HCOOH and CH3COOH on CeO2(111) and CeO2(100) were studied using temperature programmed desorption (TPD) and high resolution electron energy loss spectroscopy (HREELS). The carboxylic acids were found to dissociate on both surfaces to form carboxylates.
J. Stubenrauch, E. Brosha, J.M. Vohs
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Effects of cerium oxide doping on microstructure and properties of Ni-GO-CeO2 nanocomposite coatings

Journal of Materials Research and Technology, 2022
Ni-GO-CeO2 electrodeposited coatings reinforced with different amounts of CeO2 nanoparticles have been prepared in this work. Influences of cerium oxide doping on surface, structure, chemical composition, crystallite size, surface roughness, corrosion ...
Weiwei Zhang, Baosong Li, Ming Hong, Mingyuan Li   +3 more
doaj   +1 more source

Gold catalysts supported on CeO2 and CeO2–Al2O3 for NO reduction by CO

Applied Catalysis B: Environmental, 2006
The reduction of NOx by CO was studied over gold catalyst supported on ceria and ceria-alumina. The mixed supports with different CeO2/ Al2O3 ratios were prepared by co-precipitation. The catalysts were characterized by means of XRD, TPR, XPS and Raman spectroscopy.
L Illieva, G Pantaleo, I Ivanov, AM Venezia, D Andreeva   +4 more
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The tuned selective catalytic reduction behaviors of NO over the Pt/CeO2 catalysts by preferentially exposing different facets of CeO2 supports

Catalysis Communications, 2022
For the Pt catalysts supported on CeO2 nanosheet (NS), nanopolyhedron (NP) and nanorod (NR) with preferentially exposed {100}, {111} and {110} facets, respectively, the NO conversion and N2 selectivity for NO + CO reaction at 100–250 °C exhibit the order
Kaiqiang Wang, Roujia Zhang, Songze Wu, Mengyin Chen, Jie Tang, Liming Zhao, Yubing Liu, Yining Fan   +7 more
doaj   +1 more source

Synthesis and Applications of Polymorphic CeO2 and AgI/CeO2 Nanocomposites

Journal of Materials Science: Materials in Engineering
Abstract This paper delves into the innovative synthesis of various morphologies of CeO₂, including flower-like, spherical, quasi-spherical, and rod-shaped, as well as AgI/CeO₂ composites. Utilizing cold coprecipitation and one-pot hydrothermal methods, a range of CeO₂ and highly efficient photocatalytic AgI/CeO₂ composites were successfully ...
Yan Zhao, Zhenglu Gao, ChenZheng Lv, Huilong Zhao, Jinghang Li, Yu guang Lv   +5 more
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Multi-shelled CeO2 hollow microspheres as superior photocatalysts for water oxidation [PDF]

, 2014
A general self-templating method is introduced to construct triple-shelled CeO2 hollow microspheres, which are composed of tiny CeO2 nanoparticles. When the triple-shelled CeO2 hollow microspheres are used as photocatalysts for direct water oxidation ...
Qi, Jian, Tang, Zhiyong, Zhao, Huijun, Gao, Yan, Li, Guodong, Yu, Ranbo, Zhao, Kun   +6 more
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Evaluation of the stabilizing effect of CeO2 on the electrochemical performance of Pt/CeO2/C as a catalyst for the oxygen reduction reaction in the cathodic compartment of proton exchange membrane fuel cells [PDF]

, 2022
openProton Exchange Membrane Fuel Cells are the best candidates for replacing the traditional combustion engines used in the automotive sector. The most widespread catalysts implemented in these systems rely on platinum, which is nanosized and supported ...
ZUCCANTE, GIOVANNI
core  

CeO2-TiO2 Photocatalyst: Ionic Liquid-Mediated Synthesis, Characterization, and Performance for Diisopropanolamine Visible Light Degradation

Bulletin of Chemical Reaction Engineering & Catalysis, 2018
CeO2-TiO2 photocatalyst with Ce:Ti molar ratio of 1:9 was synthesized via co-precipitation method in the presence of 1-ethyl-3-methyl imidazolium octylsulfate, [EMIM][OctSO4] (CeO2-TiO2-IL). The ionic liquid acts as a templating agent for particle growth.
Jagath Retchahan Sivalingam, Fai Kait Chong, Cecilia Devi Wilfred   +2 more
doaj   +1 more source

CeO2–Al2O3, CeO2–SiO2, CeO2–TiO2 core-shell spheres: formation mechanisms and UV absorption

RSC Advances, 2012
In this work, a general colloid synthesis method for CeO2–Al2O3, CeO2–SiO2, and CeO2–TiO2 core-shell spheres was reported. The properties of these CeO2-based composites were greatly dependent on the additive species. A diffusion-controlled kinetic model was applied to explore the morphology and crystallinity evolution of these core-shell spheres.
Qing Fang, Xin Liang
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Nanocrystalline CeO2 in SBA-15: Performance of Pt/CeO2/SBA-15 catalyst for water-gas-shift reaction

, 2007
CeO2 particles confined within the pores of an SBA-15 mesoporous silica host were prepared by incipient wetness impregnation (IMP) and deposition precipitation (DP) methods.
Bi, Ya Dong, Xu, Heng Yong, 徐恒泳, Zhang, Wei, Li, Wen Zhao   +4 more
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