2023年9月29日 · 为了揭示反应条件下CeO2纳米晶中氧空位的演变过程，我们记录了CeO2纳米晶与CO在873K下反应不同时间的HRTEM图像。 选取了最外层的铈原子层、最外层的氧原子层、次外层的铈原子层和次外层的氧原子层进行分析。

A CeO2-Ag catalyst prepared by the co-precipitation and a Ag/CeO2 catalyst prepared by impregnation showed catalytic activity for remote oxidation of soot separated by the deposition of alumina...

2010年3月18日 · The XRD, TEM, Raman spectrum, and XPS results showed that the stable, well dispersive, and crystalline pure phase CeO 2 nanoparticles with the cubic fluorite structure and the mean grain size of 5.2 nm were obtained. The sample also exhibited room-temperature photoluminescence of the blue light at 452, 469, 483, and 493 nm, respectively.

2021年8月7日 · Here, we conduct in-situ transmission electron microscopy experiments and theoretical calculations to elucidate the thermal stability of CeO 2 nanomaterials under different environments. A sinter (< 700 °C) and a structural decomposition (> 700 °C) are observed within CeO 2 nanoflowers under O 2.

2015年5月8日 · Encapsulating noble metals inside cerium dioxide (CeO2) nanostructures produces catalysts with longer lives and more pronounced activity.

2019年10月1日 · Transmission electron microscopy (TEM) is one of the most popular tools for the characterization of nanomaterials. This study reveals that conventional preparation methods for the TEM analysis largely influence the morphology and size of the synthesized nanoparticles even when they are cautiously controlled.

2011年7月15日 · In order to understand the evolution of radiation damage in oxide nuclear fuel, 150–1000 keV Kr ions were implanted into single crystal CeO 2, as a simulation of fluorite ceramic UO 2, while in situ transmission electron microscopy (TEM) observations were carried out.

In this report, an easy and green approach to the synthesis of mesoporous cerium oxide (CeO2) nanostructures and followed by supporting platinum nanoparticles (NPs) on CeO2 nanostructures...

We herein report the effects of CeO2 crystal planes on the oxidative coupling of alcohols and amines to form imines. CeO2 exhibits significant catalytic activity under mild reaction conditions...

粉末X射线衍射（XRD）图谱显示，所制备的CeO2晶体属于立方相，并且结晶良好。 透射电子显微镜（TEM）研究表明，所制备的CeO2的外观呈六边形，被认为是多面体形状的投影。