Rapid Synthesis of Cyclomatrix Polyphosphazene Spheres and their Application for the Production of Microporous Carbon Spheres

Jian Wei Fu; Qun Xu

doi:10.4028/www.scientific.net/AMR.266.188

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 266Rapid Synthesis of Cyclomatrix Polyphosphazene...

Rapid Synthesis of Cyclomatrix Polyphosphazene Spheres and their Application for the Production of Microporous Carbon Spheres

Abstract:

Uniform cyclomatrix polyphosphazene spheres with diameter of about 410 nm were firstly synthesized rapidly at room temperature by precipitation polymerization of hexachlorocyclotriphosphazene with 4,4′-sulfonyldiphenol, using triethylamine as acid-acceptor and acetonitrile as solvent. Then, monodisperse carbon spheres with abundant micropores were produced by carbonization of the polyphosphazene spheres at a high temperature under a nitrogen atmosphere. As-produced carbon spheres were well characterized by SEM, TEM, EDX, and N2 adsorption technique. Results show that the carbon spheres possess an average diameter of 320 nm, a BET surface area of about 752 m2·g-1, a total pore volume of 0.55 m3·g-1, and a micropore size distribution.

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Periodical:

Advanced Materials Research (Volume 266)

Pages:

188-191

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.266.188

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Online since:

June 2011

Authors:

Jian Wei Fu, Qun Xu

Keywords:

Carbon Spheres, Carbonization, Polyphosphazene, Porous

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