Hollow β-Bi2O3@CeO2 heterostructure microsphere with controllable crystal phase for efficient photocatalysis

Synthesis and Characterization of Thin Films Based on Azobenzene Derivative Anchored to CeO2 Nanoparticle for Photoswitching Applications

“…Cerium oxide nanoparticles (CeO 2 NPs) are the most stable rare earth metal oxide, having a high dielectric constant and high refractive index. CeO 2 NPs has attracted the great attention of several researchers due to its scientific and technological applications such as electrochromic devices (13,14), gas sensor (15,16), photocatalysis (17,18) as well as biomedical applications, owing to its nontoxicity, high chemical stability and high electron transfer capability (19,20). L. Schweighauser et al (21) proposed that connecting the azobenzene with stabilizing groups leads to an increase in the energy difference by trans-phase and cis-phase, enhancing the isomerization efficiency.…”

A novel S-scheme heterojunction based on 0D/3D CeO2/Bi2O2CO3 for the photocatalytic degradation of organic pollutants

“…2f presents the high-resolution transmission electron microscopy (HR-TEM) image of CB-15; evidently, the two different lattice spacings are 0.27 nm and 0.31 nm, corresponding to the (110) crystal plane of Bi 2 O 2 CO 3 46,47 and the (111) crystal plane of CeO 2 . 48–50 Furthermore, the EDS elemental mapping images of CB-15 are presented in Fig. 2g–k, and the equal distribution of the Bi, Ce, C, and O elements is observed, which further demonstrates that CeO 2 /Bi 2 O 2 CO 3 heterostructures were constructed.…”

Interfacial energy barrier tuning of hierarchical Bi2O3/WO3 heterojunctions for advanced triethylamine sensor

“…2(d), two oxidation states of W 6+ and W 5+ exist in the WO 3 and Bi 2 O 3 /WO 3 samples. The dominant chemical state of W is W 6+ in the samples, which displays the highest binding energy peak [34]. The existence of W 5+ atom proves that there are considerable amounts of defects in the crystal structure of WO 3 .…”