Synthesis and characterization of mesoporous carbon spheres

Author:

Li Shuiping1,Zhu Huajun2,Xu Guilong2,Lin Qing3,Wang Chengshuang2,Wu Qisheng2,Wang Zhanhong4

Affiliation:

1. College of Civil Science and Engineering , Yangzhou University , Yangzhou , 225127 , P.R. China

2. School of Materials Science and Engineering, Yancheng Institute of Technology , Yancheng , 224051 , P.R. China

3. School of Materials Engineering, Jinling Institute of Technology , Nanjing , 211169 , P.R. China

4. Analysis and Testing Center , Yancheng Institute of Technology , Yancheng , 224051 , P.R. China

Abstract

Abstract A three-step method was used for the synthesis of mesoporous carbon sphere (MCS) material: firstly, silica (SiO2) nanoparticles were synthesized by the modified Stöber procedure; secondly, tetraethyl orthosilicate (TEOS) and cetyltrimethylammonium chloride (CTAC) were grafted onto SiO2 core nanoparticles to prepare SiO2@SiO2-CTAC hard templates; lastly, MCS material was fabricated by carbonizing and selective leaching SiO2/resorcinol-formaldehyde (RF) composites. The influence of the mass ratio of R-F/silica on the structure, morphology and crystal form was studied. The results indicate that the MCS materials have a uniform morphology. The increase of the mass ratio of R-F/silica can increase the specific surface area and pore volume. The three-step method provides a cost-effective procedure for the fabrication of MCS materials with uniform morphology.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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