Synthesis and Characterization of Mesoporous Co-SiO2-Spheres with High Surface Area

Abstract

Abstract: In basic media, millimeter sized mesoporous Co-SiO₂ spheres were synthesized successfully through the introduction of Co(Ⅲ)-APTMOScomplex into the reaction mixture with cetyltrimethylammonium bromide(CTAB) as a structural template. The products are characterized by N 2 adsorption, HRTEM, SEM, and ICPtechniques. The results show that the mesoporous Co-SiO₂ spheres have a high surface area and disordered pores. Furthermore, the advantage of using Co(Ⅲ)-APTMOScomplex as the source of metal element Co is discussed.

Key words: Mesoporous Co-SiO₂ spheres, Complex of metal ion aminosilane, Synthesis at room temperature

CLC Number:

O614

TrendMD:

ZHANG Ping, LIU Yun-Ling, BAI Ni, FU Yun-Long, LI Shou-Gui, MENG Xiang-Ju, DING Hong, PANG Wen-Qin. Synthesis and Characterization of Mesoporous Co-SiO₂-Spheres with High Surface Area[J]. Chem. J. Chinese Universities, 2002, 23(8): 1466.

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Synthesis and Characterization of Mesoporous Co-SiO₂-Spheres with High Surface Area

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