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Solvothermal synthesis of hierarchically porous CeO2 nanopalm leaves and their photocatalytic properties
- Authors
- Arul, N. Sabari; Mangalaraj, D.; Kim, Tae Whan
- Issue Date
- Apr-2013
- Publisher
- SPRINGER
- Keywords
- Nanostructured materials; Porous; Thin films; Chemical synthesis; Microstructure; AO7 dye
- Citation
- JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, v.66, no.1, pp.15 - 21
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
- Volume
- 66
- Number
- 1
- Start Page
- 15
- End Page
- 21
- ISSN
- 0928-0707
- Abstract
- Hierarchically porous CeCO3OH palm leaves were synthesized by using a facile solvothermal method at 180 A degrees C utilizing cerium nitrate and ethylene glycol. Polycrystalline CeO2 palm leaves were obtained from the thermal decomposition-oxidation process of the CeCO3OH nanostructures. CeCO3OH and CeO2 palm leaves were characterized by X-ray diffraction pattern, scanning electron microscopy image, energy dispersive X-ray analyses, and ultraviolet (UV)-visible spectroscopy images. The CeO2 palm leaves exhibited a significant photocatalytic performance in degrading azo dye acid orange II in an aqueous solution under an UV radiation. The formation mechanisms of the CeCO3OH/CeO2 nanostructures were described on the basis of the experimental results.
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