Tuning the UV absorbing ability of CeO2 nanoparticles with F− …
2023年5月1日 · Ultraviolet (UV) absorption band of CeO2 nanoparticle is adjusted from 380 to 345 nm by F− doping. Blue shift of optical absorption band is the result of CeO2 energy band …
Enhancement of catalytic activity by UV-light irradiation in CeO2 ...
2019年5月29日 · In the present work, we demonstrate an annealing-free method for creating oxygen vacancy defects in CeO 2 nanocrystals by using UV-light irradiation. Nanocrystal …
Shifting the band gap from UV to visible region in cerium oxide ...
2020年10月30日 · In the present work, we developed high surface area (high-S) CeO2-x nanoparticles with (i) photon absorption shifted from UV to visible region of the …
UV-visible absorption spectrum for CeO2 nanoparticles
Simple and sensitive electrochemical sensors were fabricated from cerium oxide (CeO2) and copper-benzene tricarboxylic acid–modified cerium oxide (CeO2-Cu-BTC) materials for …
CeO2 nanoscale particles: Synthesis, characterization and ...
2018年6月1日 · UV–vis DRS measurements show that the presence of oxygen vacancy defects in CeO 2-500 NPs can efficiently suppress the recombination rate of photogenerated electron …
Synthesis and Characterization of CeO2 Nanoparticles via Solution ...
2015年1月3日 · CeO 2 nanoparticles exhibit photocatalytic activity against trypan blue at pH 10 in UV light, and the reaction follows pseudo first-order kinetics. Finally, CeO 2 nanoparticles also …
The synthesis of monodispersed M-CeO2/SiO2 ... - RSC Publishing
2020年1月28日 · CeO 2 /polymer nanoparticles have drawn considerable attention for their excellent UV absorption properties. However, many challenges still exist in the successful …
Structural and Optical Properties of CeO2 Nanoparticles …
2019年1月2日 · From the UV–Vis and diffuse reflectance spectra, energy values of 3.8 eV and 3.4 eV were obtained, values that can be associated with band—band electronic transitions and/or …
UV-Vis diffuse reflectance spectra of CeO2 nanoparticles.
UV-Vis diffuse reflectance spectra of CeO2 nanoparticles. [...] Cerium oxide nanoparticles were prepared by a precipitation method using Ce (IV) sulphate as precursor dispersed in glycerol …
Enhancement of catalytic activity by UV-light irradiation in CeO2 ...
2019年5月29日 · Ultraviolet (UV) light irradiation on CeO 2 nanocrystals catalysts has been observed to largely increase the material's catalytic activity and reactive surface area. As …