Preparation and performance of CeO2 hollow spheres and nanoparticles

CeO_2 hollow spheres were synthesized by polystryrene sphere（PS） templates and CeO_2 nanoparticles were prepared by a facile method. The as-obtained products were characterized by scanning electron microscopy（SEM）, N_2 adsorption-desorption, X-ray diffraction（XRD）, Fourier transform infrared spectro...

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Bibliographic Details
Published inJournal of rare earths Vol. 34; no. 3; pp. 295 - 299
Main Author 张问问 陈东辉
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.03.2016
Subjects
CeO2
hollow spheres
rare earths
Rh B
template
UV-shielding
傅里叶变换红外光谱
制备
扫描电子显微镜
比表面积
空心球
紫外屏蔽性能
纳米颗粒
template
CeO2
UV-shielding
hollow spheres
Rh B
rare earths
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Summary:CeO_2 hollow spheres were synthesized by polystryrene sphere（PS） templates and CeO_2 nanoparticles were prepared by a facile method. The as-obtained products were characterized by scanning electron microscopy（SEM）, N_2 adsorption-desorption, X-ray diffraction（XRD）, Fourier transform infrared spectroscopy（FTIR） and UV-vis diffuse reflectance spectra. The results showed that the structure of the obtained CeO_2 hollow spheres was hollow microsphere with a diameter of 380 nm and the average particle size of CeO_2 nanoparticles was about 1700 nm. The two samples＇ Brunauer-Emmett-Teller（BET） surface area was 67.1 and 37.2 m~2/g. The CeO_2 hollow spheres had a better performance than nanoparticles at UV-shielding because of higher surface area and the structure of hollow sphere.
Bibliography:CeO_2 hollow spheres were synthesized by polystryrene sphere（PS） templates and CeO_2 nanoparticles were prepared by a facile method. The as-obtained products were characterized by scanning electron microscopy（SEM）, N_2 adsorption-desorption, X-ray diffraction（XRD）, Fourier transform infrared spectroscopy（FTIR） and UV-vis diffuse reflectance spectra. The results showed that the structure of the obtained CeO_2 hollow spheres was hollow microsphere with a diameter of 380 nm and the average particle size of CeO_2 nanoparticles was about 1700 nm. The two samples＇ Brunauer-Emmett-Teller（BET） surface area was 67.1 and 37.2 m~2/g. The CeO_2 hollow spheres had a better performance than nanoparticles at UV-shielding because of higher surface area and the structure of hollow sphere.
11-2788/TF
CeO2; UV-shielding; hollow spheres; template; Rh B; rare earths
ZHANG Wenwen , CHEN Donghui （College of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China）
ISSN:1002-0721
2509-4963
DOI:10.1016/S1002-0721(16)60028-5