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HomeKey Engineering MaterialsKey Engineering Materials Vols. 562-565Synthesis of Biomorphic Ceria Templated from...

Synthesis of Biomorphic Ceria Templated from Crucian Fish Scales

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Abstract:

Biomophic ceria with nanocrystalline was successfully synthesized using crucian fish scales as template. Unique biomorphic microstructures were characterized by X-ray diffraction (XRD), field emission scanning electron microscope (FESEM), transmission electron microscopy (TEM) and nitrogen absorption-desorption technique. The obtained ceria material shows the repetitious biomimetic structure consisting of sheet with thickness of ca. 80-100 nm and nanopores which had 2-10 nm apertures. The surface oxygen activity of fish scale-templated CeO₂ was enhanced revealed by hydrogen temperature-programmed reduction (H₂-TPR) mesurements, because of the higher surface area (113.5 m²/g) and smaller particle size (average of 8.2 nm). Those detailed investigation could infer that the biotemplate product exhibit better catalytic activity in CO oxidation reaction.

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Periodical:

Key Engineering Materials (Volumes 562-565)

Pages:

1353-1357

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.562-565.1353

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Online since:

July 2013

Authors:

Feng Chen, Zhi Gang Chen, Cheng Bao Liu, Zheng Ying Wu, Qiu Yue Lu, Lei Yu

Keywords:

Biomorphic, Catalytic Activity, Ceria, Template

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