Comparision of the Preparation Methods of Mesoporous Phosphate Compounds Belonging to NZP Family

Peng Zheng; Lin Hua Zhu; Tian Si; Yan Lin Sun

doi:10.4028/www.scientific.net/AMR.631-632.116

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 631-632Comparision of the Preparation Methods of...

Comparision of the Preparation Methods of Mesoporous Phosphate Compounds Belonging to NZP Family

Abstract:

Using polyethylene oxide (PEO) as template, the new types of mesoporous phosphate compound which belongs to NaZr₂(PO₄)₃(NZP) family were synthesized by copreciptate, sol-gel and mechanochemical activation(MA) route respectively. The physical phase and pore structure of the synthesized powder materials were characterized by X-ray diffraction (XRD) and N₂ adsorption–desorption. The results showed that the crystalline NZP family compound with mesoporous structure is formed by sol-gel route followed with calcination as well as MA method followed with hydrothermal treatment when the mole ratio of PEO to Zr is 1:10, and the specific surface area, average pore diameter and pore volume of the synthesized powder is 20-50m²/g, 3-6.nm and 0.05-0.12cm³/g respectively. The above research results indicate that it is promising to expand the application field of the powder of NZP family from low thermal expansion ceramics to catalytic materials.

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Periodical:

Advanced Materials Research (Volumes 631-632)

Pages:

116-120

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.631-632.116

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Online since:

January 2013

Authors:

Peng Zheng, Lin Hua Zhu, Tian Si, Yan Lin Sun

Keywords:

Coprecipitation (CP), Mechenochemical Activity (MA), Mesoporous Phosphate Compounds with NZP Structure, Sol-Gel Method, Template PEO

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